Articles | Volume 12, issue 1
https://doi.org/10.5194/se-12-35-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Special issue:
https://doi.org/10.5194/se-12-35-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
13 Jan 2021
Research article |
| 13 Jan 2021
| 13 Jan 2021
Characterization of discontinuities in potential reservoir rocks for geothermal applications in the Rhine-Ruhr metropolitan area (Germany)
Martin Balcewicz
CORRESPONDING AUTHOR
Department of Civil and Environmental Engineering, Bochum University of Applied Sciences, Am Hochschulcampus 1, 44801 Bochum, Germany
Institute of Geology, Mineralogy, and Geophysics, Ruhr University Bochum, Universitätsstraße 150, 44801 Bochum, Germany
Benedikt Ahrens
Fraunhofer IEG, Fraunhofer Research Institution for Energy Infrastructures and Geothermal Systems, Am Hochschulcampus 1, 44801 Bochum, Germany
Kevin Lippert
Fraunhofer IEG, Fraunhofer Research Institution for Energy Infrastructures and Geothermal Systems, Am Hochschulcampus 1, 44801 Bochum, Germany
Institute of Geology, Mineralogy, and Geophysics, Ruhr University Bochum, Universitätsstraße 150, 44801 Bochum, Germany
Erik H. Saenger
Department of Civil and Environmental Engineering, Bochum University of Applied Sciences, Am Hochschulcampus 1, 44801 Bochum, Germany
Fraunhofer IEG, Fraunhofer Research Institution for Energy Infrastructures and Geothermal Systems, Am Hochschulcampus 1, 44801 Bochum, Germany
Institute of Geology, Mineralogy, and Geophysics, Ruhr University Bochum, Universitätsstraße 150, 44801 Bochum, Germany
Related authors
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Mathias Nehler, Ferdinand Stoeckhert, Anne Oelker, Jörg Renner, and Erik Saenger
Solid Earth Discuss., https://doi.org/10.5194/se-2019-48, https://doi.org/10.5194/se-2019-48, 2019
Publication in SE not foreseen
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The technique of X-ray computed tomography (CT) is widely used in multiple disciplines such as medicine, industry and earth sciences. However, quantitative analysis from the reconstructed images are subject to errors due to technical limitations and subsequent evaluation workflows. The paper addresses the uncertainties related to the estimation of porosity from these images and compares the results with laboratory measurements. Accurate porosity estimates are linked to sufficient resolution.
Claudia Werner and Erik H. Saenger
Solid Earth, 9, 1487–1505, https://doi.org/10.5194/se-9-1487-2018, https://doi.org/10.5194/se-9-1487-2018, 2018
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Time reverse imaging is a method for locating quasi-simultaneous or low-amplitude earthquakes. Numerous three-dimensional synthetic simulations were performed to discover the influence of station distributions, complex velocity models and high noise rates on the reliability of localisations. The guidelines obtained enable the estimation of the localisation success rates of an existing station set-up and provide the basis for designing new arrays.
Kathleen Sell, Beatriz Quintal, Michael Kersten, and Erik H. Saenger
Solid Earth, 9, 699–711, https://doi.org/10.5194/se-9-699-2018, https://doi.org/10.5194/se-9-699-2018, 2018
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Sediments containing hydrates dispersed in the pore space show a characteristic seismic anomaly: a high attenuation along with increasing seismic velocities. Recent major findings from synchrotron experiments revealed the systematic presence of thin water films between quartz and gas hydrate. Our numerical studies support earlier speculation that squirt flow causes high attenuation at seismic frequencies but are based on a conceptual model different to those previously considered.
Kathleen Sell, Erik H. Saenger, Andrzej Falenty, Marwen Chaouachi, David Haberthür, Frieder Enzmann, Werner F. Kuhs, and Michael Kersten
Solid Earth, 7, 1243–1258, https://doi.org/10.5194/se-7-1243-2016, https://doi.org/10.5194/se-7-1243-2016, 2016
Related subject area
Subject area: Tectonic plate interactions, magma genesis, and lithosphere deformation at all scales | Editorial team: Structural geology and tectonics, paleoseismology, rock physics, experimental deformation | Discipline: Structural geology
Driven magmatism and crustal thinning of coastal southern China in response to subduction
Selection and characterization of the target fault for fluid-induced activation and earthquake rupture experiments
Naturally fractured reservoir characterisation in heterogeneous sandstones: insight for uranium in situ recovery (Imouraren, Niger)
Influence of water on crystallographic preferred orientation patterns in a naturally-deformed quartzite
Multiscalar 3D temporal structural characterisation of Smøla island, mid-Norwegian passive margin: an analogue for unravelling the tectonic history of offshore basement highs
Localized shear versus distributed strain accumulation as shear-accommodation mechanisms in ductile shear zones: Constraining their dictating factors
Impact of faults on the remote stress state
Subduction plate interface shear stress associated with rapid subduction at deep slow earthquake depths: example from the Sanbagawa belt, southwestern Japan
Multiple phase rifting and subsequent inversion in the West Netherlands Basin: implications for geothermal reservoir characterization
Analogue modelling of basin inversion: implications for the Araripe Basin (Brazil)
Geomorphic expressions of active rifting reflect the role of structural inheritance: A new model for the evolution of the Shanxi Rift, North China
Natural fracture patterns at Swift Reservoir anticline, NW Montana: the influence of structural position and lithology from multiple observation scales
Rapid hydration and weakening of anhydrite under stress: implications for natural hydration in the Earth's crust and mantle
Analogue experiments on releasing and restraining bends and their application to the study of the Barents Shear Margin
Structural framework and timing of the Pahtohavare Cu ± Au deposits, Kiruna mining district, Sweden
Does the syn- versus post-rift thickness ratio have an impact on the inversion-related structural style?
Inversion of accommodation zones in salt-bearing extensional systems: insights from analog modeling
Structural control of inherited salt structures during inversion of a domino basement-fault system from an analogue modelling approach
Kinematics and time-resolved evolution of the main thrust-sense shear zone in the Eo-Alpine orogenic wedge (the Vinschgau Shear Zone, eastern Alps)
Role of inheritance during tectonic inversion of a rift system in basement-involved to salt-decoupled transition: analogue modelling and application to the Pyrenean–Biscay system
Water release and homogenization by dynamic recrystallization of quartz
Hydrothermal activity of the Lake Abhe geothermal field (Djibouti): Structural controls and paths for further exploration
Time-dependent frictional properties of granular materials used in analogue modelling: implications for mimicking fault healing during reactivation and inversion
Large grain-size-dependent rheology contrasts of halite at low differential stress: evidence from microstructural study of naturally deformed gneissic Zechstein 2 rock salt (Kristallbrockensalz) from the northern Netherlands
Analogue modelling of the inversion of multiple extensional basins in foreland fold-and-thrust belts
A contribution to the quantification of crustal shortening and kinematics of deformation across the Western Andes ( ∼ 20–22° S)
Rift thermal inheritance in the SW Alps (France): insights from RSCM thermometry and 1D thermal numerical modelling
The Luangwa Rift Active Fault Database and fault reactivation along the southwestern branch of the East African Rift
Clustering has a meaning: optimization of angular similarity to detect 3D geometric anomalies in geological terrains
Shear zone evolution and the path of earthquake rupture
Mechanical compaction mechanisms in the input sediments of the Sumatra subduction complex – insights from microstructural analysis of cores from IODP Expedition 362
Detecting micro fractures: a comprehensive comparison of conventional and machine-learning-based segmentation methods
Multiscale lineament analysis and permeability heterogeneity of fractured crystalline basement blocks
Structural characterization and K–Ar illite dating of reactivated, complex and heterogeneous fault zones: lessons from the Zuccale Fault, Northern Apennines
How do differences in interpreting seismic images affect estimates of geological slip rates?
Progressive veining during peridotite carbonation: insights from listvenites in Hole BT1B, Samail ophiolite (Oman)
Tectonic evolution of the Indio Hills segment of the San Andreas fault in southern California, southwestern USA
Structural diagenesis in ultra-deep tight sandstones in the Kuqa Depression, Tarim Basin, China
Variscan structures and their control on latest to post-Variscan basin architecture: insights from the westernmost Bohemian Massif and southeastern Germany
Multi-disciplinary characterizations of the BedrettoLab – a new underground geoscience research facility
Biotite supports long-range diffusive transport in dissolution–precipitation creep in halite through small porosity fluctuations
De-risking the energy transition by quantifying the uncertainties in fault stability
Virtual field trip to the Esla Nappe (Cantabrian Zone, NW Spain): delivering traditional geological mapping skills remotely using real data
Marine forearc structure of eastern Java and its role in the 1994 Java tsunami earthquake
Roughness of fracture surfaces in numerical models and laboratory experiments
Impact of basement thrust faults on low-angle normal faults and rift basin evolution: a case study in the Enping sag, Pearl River Basin
Evidence for and significance of the Late Cretaceous Asteroussia event in the Gondwanan Ios basement terranes
Investigating spatial heterogeneity within fracture networks using hierarchical clustering and graph distance metrics
Dating folding beyond folding, from layer-parallel shortening to fold tightening, using mesostructures: lessons from the Apennines, Pyrenees, and Rocky Mountains
Deformation-enhanced diagenesis and bacterial proliferation in the Nankai accretionary prism
Jinbao Su, Wenbin Zhu, and Guangwei Li
Solid Earth, 15, 1133–1141, https://doi.org/10.5194/se-15-1133-2024, https://doi.org/10.5194/se-15-1133-2024, 2024
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The late Mesozoic igneous rocks in the South China Block exhibit flare-ups and lulls, which form in compressional or extensional backgrounds. The ascending of magma forms a mush-like head and decreases crustal thickness. The presence of faults and pre-existing magmas will accelerate emplacement of underplating magma. The magmatism at different times may be formed under similar subduction conditions, and the boundary compression forces will delay magma ascent.
Peter Achtziger-Zupančič, Alberto Ceccato, Alba Simona Zappone, Giacomo Pozzi, Alexis Shakas, Florian Amann, Whitney Maria Behr, Daniel Escallon Botero, Domenico Giardini, Marian Hertrich, Mohammadreza Jalali, Xiaodong Ma, Men-Andrin Meier, Julian Osten, Stefan Wiemer, and Massimo Cocco
Solid Earth, 15, 1087–1112, https://doi.org/10.5194/se-15-1087-2024, https://doi.org/10.5194/se-15-1087-2024, 2024
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We detail the selection and characterization of a fault zone for earthquake experiments in the Fault Activation and Earthquake Ruptures (FEAR) project at the Bedretto Lab. FEAR, which studies earthquake processes, overcame data collection challenges near faults. The fault zone in Rotondo granite was selected based on geometry, monitorability, and hydro-mechanical properties. Remote sensing, borehole logging, and geological mapping were used to create a 3D model for precise monitoring.
Maxime Jamet, Gregory Ballas, Roger Soliva, Olivier Gerbeaud, Thierry Lefebvre, Christine Leredde, and Didier Loggia
Solid Earth, 15, 895–920, https://doi.org/10.5194/se-15-895-2024, https://doi.org/10.5194/se-15-895-2024, 2024
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This study characterizes the Tchirezrine II sandstone reservoir in northern Niger. Crucial for potential uranium in situ recovery (ISR), our multifaceted approach reveals (i) a network of homogeneously distributed orthogonal structures, (ii) the impact of clustered E–W fault structures on anisotropic fluid flow, and (iii) local changes in the matrix behaviour of the reservoir as a function of the density and nature of the deformation structure.
Jeffrey M. Rahl, Brendan Moehringer, Kenneth S. Befus, and John S. Singleton
EGUsphere, https://doi.org/10.5194/egusphere-2024-1567, https://doi.org/10.5194/egusphere-2024-1567, 2024
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At the high temperatures present in the deeper crust, minerals such as quartz can flow much like silly putty. The detailed mechanisms of how atoms are reorganized depends upon several factors, such as the temperature and the rate of which the mineral changes shape. We present observations from a naturally-deformed rock showing that the amount of water present also influences the type of deformation in quartz, with implications for geological interpretations.
Matthew S. Hodge, Guri Venvik, Jochen Knies, Roelant van der Lelij, Jasmin Schönenberger, Øystein Nordgulen, Marco Brönner, Aziz Nasuti, and Giulio Viola
Solid Earth, 15, 589–615, https://doi.org/10.5194/se-15-589-2024, https://doi.org/10.5194/se-15-589-2024, 2024
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Smøla island, in the mid-Norwegian margin, has complex fracture and fault patterns resulting from tectonic activity. This study uses a multiple-method approach to unravel Smøla's tectonic history. We found five different phases of deformation related to various fracture geometries and minerals dating back hundreds of millions of years. 3D models of these features visualise these structures in space. This approach may help us to understand offshore oil and gas reservoirs hosted in the basement.
Pramit Chatterjee, Arnab Roy, and Nibir Mandal
EGUsphere, https://doi.org/10.5194/egusphere-2024-1077, https://doi.org/10.5194/egusphere-2024-1077, 2024
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Understanding the strain accumulation processes in ductile shear zones is essential to explain the failure mechanisms at great crustal depths. This study explores the rheological and kinematic factors determining the varying modes of shear accommodation in natural shear zones. Numerical simulations suggest that an interplay of the following parameters: initial bulk viscosity, bulk shear rate, and internal cohesion governs the dominance of one accommodation mechanism over the other.
Karsten Reiter, Oliver Heidbach, and Moritz O. Ziegler
Solid Earth, 15, 305–327, https://doi.org/10.5194/se-15-305-2024, https://doi.org/10.5194/se-15-305-2024, 2024
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It is generally assumed that faults have an influence on the stress state of the Earth’s crust. It is questionable whether this influence is still present far away from a fault. Simple numerical models were used to investigate the extent of the influence of faults on the stress state. Several models with different fault representations were investigated. The stress fluctuations further away from the fault (> 1 km) are very small.
Yukinojo Koyama, Simon R. Wallis, and Takayoshi Nagaya
Solid Earth, 15, 143–166, https://doi.org/10.5194/se-15-143-2024, https://doi.org/10.5194/se-15-143-2024, 2024
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Stress along a subduction plate boundary is important for understanding subduction phenomena such as earthquakes. We estimated paleo-stress using quartz recrystallized grain size combined with deformation temperature and P–T paths of exhumed rocks. The obtained results show differential stresses of 30.8–82.7 MPa consistent over depths of 17–27 km in the paleo-subduction boundary. The obtained stress may represent the initial conditions under which slow earthquakes nucleated in the same domain.
Annelotte Weert, Kei Ogata, Francesco Vinci, Coen Leo, Giovanni Bertotti, Jerome Amory, and Stefano Tavani
Solid Earth, 15, 121–141, https://doi.org/10.5194/se-15-121-2024, https://doi.org/10.5194/se-15-121-2024, 2024
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On the road to a sustainable planet, geothermal energy is considered one of the main substitutes when it comes to heating. The geological history of an area can have a major influence on the application of these geothermal systems, as demonstrated in the West Netherlands Basin. Here, multiple episodes of rifting and subsequent basin inversion have controlled the distribution of the reservoir rocks, thus influencing the locations where geothermal energy can be exploited.
Pâmela C. Richetti, Frank Zwaan, Guido Schreurs, Renata S. Schmitt, and Timothy C. Schmid
Solid Earth, 14, 1245–1266, https://doi.org/10.5194/se-14-1245-2023, https://doi.org/10.5194/se-14-1245-2023, 2023
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The Araripe Basin in NE Brazil was originally formed during Cretaceous times, as South America and Africa broke up. The basin is an important analogue to offshore South Atlantic break-up basins; its sediments were uplifted and are now found at 1000 m height, allowing for studies thereof, but the cause of the uplift remains debated. Here we ran a series of tectonic laboratory experiments that show how a specific plate tectonic configuration can explain the evolution of the Araripe Basin.
Malte Froemchen, Ken J. W. McCaffrey, Mark B. Allen, Jeroen van Hunen, Thomas B. Phillips, and Yueren Xu
EGUsphere, https://doi.org/10.5194/egusphere-2023-2563, https://doi.org/10.5194/egusphere-2023-2563, 2023
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The Shanxi Rift is a young active rift in North China that formed superimposed on a Proterozoic orogen. The impact of these structures on the active rift faults is poorly constrained. Here we quantify the landscape response to active faulting and compare these to published maps of inherited structures. We find that inherited structures played an important role in the segmentation of the Shanxi Rift and in the development of Rift Interaction Zones, the most active regions of the Shanxi Rift.
Adam J. Cawood, Hannah Watkins, Clare E. Bond, Marian J. Warren, and Mark A. Cooper
Solid Earth, 14, 1005–1030, https://doi.org/10.5194/se-14-1005-2023, https://doi.org/10.5194/se-14-1005-2023, 2023
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Here we test conceptual models of fracture development by investigating fractures across multiple scales. We find that most fractures increase in abundance towards the fold hinge, and we interpret these as being fold related. Other fractures at the site show inconsistent orientations and are unrelated to fold formation. Our results show that predicting fracture patterns requires the consideration of multiple geologic variables.
Johanna Heeb, David Healy, Nicholas E. Timms, and Enrique Gomez-Rivas
Solid Earth, 14, 985–1003, https://doi.org/10.5194/se-14-985-2023, https://doi.org/10.5194/se-14-985-2023, 2023
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Hydration of rocks is a key process in the Earth’s crust and mantle that is accompanied by changes in physical traits and mechanical behaviour of rocks. This study assesses the influence of stress on hydration reaction kinetics and mechanics in experiments on anhydrite. We show that hydration occurs readily under stress and results in localized hydration along fractures and mechanic weakening. New gypsum growth is selective and depends on the stress field and host anhydrite crystal orientation.
Roy Helge Gabrielsen, Panagiotis Athanasios Giannenas, Dimitrios Sokoutis, Ernst Willingshofer, Muhammad Hassaan, and Jan Inge Faleide
Solid Earth, 14, 961–983, https://doi.org/10.5194/se-14-961-2023, https://doi.org/10.5194/se-14-961-2023, 2023
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The Barents Shear Margin defines the border between the relatively shallow Barents Sea that is situated on a continental plate and the deep ocean. This margin's evolution history was probably influenced by plate tectonic reorganizations. From scaled experiments, we deduced several types of structures (faults, folds, and sedimentary basins) that help us to improve the understanding of the history of the opening of the North Atlantic.
Leslie Logan, Ervin Veress, Joel B. H. Andersson, Olof Martinsson, and Tobias E. Bauer
Solid Earth, 14, 763–784, https://doi.org/10.5194/se-14-763-2023, https://doi.org/10.5194/se-14-763-2023, 2023
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The Pahtohavare Cu ± Au deposits in the Kiruna mining district have a dubious timing of formation and have not been contextualized within an up-to-date tectonic framework. Structural mapping was carried out to reveal that the deposits are hosted in brittle structures that cut a noncylindrical, SE-plunging anticline constrained to have formed during the late-Svecokarelian orogeny. These results show that Cu ± Au mineralization formed more than ca. 80 Myr after iron oxide–apatite mineralization.
Alexandra Tamas, Dan M. Tamas, Gabor Tari, Csaba Krezsek, Alexandru Lapadat, and Zsolt Schleder
Solid Earth, 14, 741–761, https://doi.org/10.5194/se-14-741-2023, https://doi.org/10.5194/se-14-741-2023, 2023
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Tectonic processes are complex and often difficult to understand due to the limitations of surface or subsurface data. One such process is inversion tectonics, which means that an area initially developed in an extension (such as the opening of an ocean) is reversed to compression (the process leading to mountain building). In this research, we use a laboratory method (analogue modelling), and with the help of a sandbox, we try to better understand structures (folds/faults) related to inversion.
Elizabeth Parker Wilson, Pablo Granado, Pablo Santolaria, Oriol Ferrer, and Josep Anton Muñoz
Solid Earth, 14, 709–739, https://doi.org/10.5194/se-14-709-2023, https://doi.org/10.5194/se-14-709-2023, 2023
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This work focuses on the control of accommodation zones on extensional and subsequent inversion in salt-detached domains using sandbox analogue models. During extension, the transfer zone acts as a pathway for the movement of salt, changing the expected geometries. When inverted, the salt layer and syn-inversion sedimentation control the deformation style in the salt-detached cover system. Three natural cases are compared to the model results and show similar inversion geometries.
Oriol Ferrer, Eloi Carola, and Ken McClay
Solid Earth, 14, 571–589, https://doi.org/10.5194/se-14-571-2023, https://doi.org/10.5194/se-14-571-2023, 2023
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Using an experimental approach based on scaled sandbox models, this work aims to understand how salt above different rotational fault blocks influences the cover geometry and evolution, first during extension and then during inversion. The results show that inherited salt structures constrain contractional deformation. We show for the first time how welds and fault welds are reopened during contractional deformation, having direct implications for the subsurface exploration of natural resources.
Chiara Montemagni, Stefano Zanchetta, Martina Rocca, Igor M. Villa, Corrado Morelli, Volkmar Mair, and Andrea Zanchi
Solid Earth, 14, 551–570, https://doi.org/10.5194/se-14-551-2023, https://doi.org/10.5194/se-14-551-2023, 2023
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The Vinschgau Shear Zone (VSZ) is one of the largest and most significant shear zones developed within the Late Cretaceous thrust stack in the Austroalpine domain of the eastern Alps. 40Ar / 39Ar geochronology constrains the activity of the VSZ between 97 and 80 Ma. The decreasing vorticity towards the core of the shear zone, coupled with the younging of mylonites, points to a shear thinning behavior. The deepest units of the Eo-Alpine orogenic wedge were exhumed along the VSZ.
Jordi Miró, Oriol Ferrer, Josep Anton Muñoz, and Gianreto Manastchal
Solid Earth, 14, 425–445, https://doi.org/10.5194/se-14-425-2023, https://doi.org/10.5194/se-14-425-2023, 2023
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Using the Asturian–Basque–Cantabrian system and analogue (sandbox) models, this work focuses on the linkage between basement-controlled and salt-decoupled domains and how deformation is accommodated between the two during extension and subsequent inversion. Analogue models show significant structural variability in the transitional domain, with oblique structures that can be strongly modified by syn-contractional sedimentation. Experimental results are consistent with the case study.
Junichi Fukuda, Takamoto Okudaira, and Yukiko Ohtomo
Solid Earth, 14, 409–424, https://doi.org/10.5194/se-14-409-2023, https://doi.org/10.5194/se-14-409-2023, 2023
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We measured water distributions in deformed quartz by infrared spectroscopy mapping and used the results to discuss changes in water distribution resulting from textural development. Because of the grain size reduction process (dynamic recrystallization), water contents decrease from 40–1750 wt ppm in host grains of ~2 mm to 100–510 wt ppm in recrystallized regions composed of fine grains of ~10 µm. Our results indicate that water is released and homogenized by dynamic recrystallization.
Bastien Walter, Yves Géraud, Alexiane Favier, Nadjib Chibati, and Marc Diraison
EGUsphere, https://doi.org/10.5194/egusphere-2023-397, https://doi.org/10.5194/egusphere-2023-397, 2023
Preprint archived
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Lake Abhe in southwestern Djibouti is known for its exposures of massive hydrothermal chimneys and hot springs on the lake’s eastern shore. This study highlights the control of the main structural faults of the area on the development of these hydrothermal features. This work contributes to better understand hydrothermal fluid pathways in this area and may help further exploration for the geothermal development of this remarkable site.
Michael Rudolf, Matthias Rosenau, and Onno Oncken
Solid Earth, 14, 311–331, https://doi.org/10.5194/se-14-311-2023, https://doi.org/10.5194/se-14-311-2023, 2023
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Analogue models of tectonic processes rely on the reproduction of their geometry, kinematics and dynamics. An important property is fault behaviour, which is linked to the frictional characteristics of the fault gouge. This is represented by granular materials, such as quartz sand. In our study we investigate the time-dependent frictional properties of various analogue materials and highlight their impact on the suitability of these materials for analogue models focusing on fault reactivation.
Jessica Barabasch, Joyce Schmatz, Jop Klaver, Alexander Schwedt, and Janos L. Urai
Solid Earth, 14, 271–291, https://doi.org/10.5194/se-14-271-2023, https://doi.org/10.5194/se-14-271-2023, 2023
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We analysed Zechstein salt with microscopes and observed specific microstructures that indicate much faster deformation in rock salt with fine halite grains when compared to salt with larger grains. This is important because people build large cavities in the subsurface salt for energy storage or want to deposit radioactive waste inside it. When engineers and scientists use grain-size data and equations that include this mechanism, it will help to make better predictions in geological models.
Nicolás Molnar and Susanne Buiter
Solid Earth, 14, 213–235, https://doi.org/10.5194/se-14-213-2023, https://doi.org/10.5194/se-14-213-2023, 2023
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Progression of orogenic wedges over pre-existing extensional structures is common in nature, but deciphering the spatio-temporal evolution of deformation from the geological record remains challenging. Our laboratory experiments provide insights on how horizontal stresses are transferred across a heterogeneous crust, constrain which pre-shortening conditions can either favour or hinder the reactivatation of extensional structures, and explain what implications they have on critical taper theory.
Tania Habel, Martine Simoes, Robin Lacassin, Daniel Carrizo, and German Aguilar
Solid Earth, 14, 17–42, https://doi.org/10.5194/se-14-17-2023, https://doi.org/10.5194/se-14-17-2023, 2023
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The Central Andes are one of the most emblematic reliefs on Earth, but their western flank remains understudied. Here we explore two rare key sites in the hostile conditions of the Atacama desert to build cross-sections, quantify crustal shortening, and discuss the timing of this deformation at ∼20–22°S. We propose that the structures of the Western Andes accommodated significant crustal shortening here, but only during the earliest stages of mountain building.
Naïm Célini, Frédéric Mouthereau, Abdeltif Lahfid, Claude Gout, and Jean-Paul Callot
Solid Earth, 14, 1–16, https://doi.org/10.5194/se-14-1-2023, https://doi.org/10.5194/se-14-1-2023, 2023
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We investigate the peak temperature of sedimentary rocks of the SW Alps (France), using Raman spectroscopy on carbonaceous material. This method provides an estimate of the peak temperature achieved by organic-rich rocks. To determine the timing and the tectonic context of the origin of these temperatures we use 1D thermal modelling. We find that the high temperatures up to 300 °C were achieved during precollisional extensional events, not during tectonic burial in the Western Alps.
Luke N. J. Wedmore, Tess Turner, Juliet Biggs, Jack N. Williams, Henry M. Sichingabula, Christine Kabumbu, and Kawawa Banda
Solid Earth, 13, 1731–1753, https://doi.org/10.5194/se-13-1731-2022, https://doi.org/10.5194/se-13-1731-2022, 2022
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Mapping and compiling the attributes of faults capable of hosting earthquakes are important for the next generation of seismic hazard assessment. We document 18 active faults in the Luangwa Rift, Zambia, in an active fault database. These faults are between 9 and 207 km long offset Quaternary sediments, have scarps up to ~30 m high, and are capable of hosting earthquakes from Mw 5.8 to 8.1. We associate the Molaza Fault with surface ruptures from two unattributed M 6+ 20th century earthquakes.
Michał P. Michalak, Lesław Teper, Florian Wellmann, Jerzy Żaba, Krzysztof Gaidzik, Marcin Kostur, Yuriy P. Maystrenko, and Paulina Leonowicz
Solid Earth, 13, 1697–1720, https://doi.org/10.5194/se-13-1697-2022, https://doi.org/10.5194/se-13-1697-2022, 2022
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When characterizing geological/geophysical surfaces, various geometric attributes are calculated, such as dip angle (1D) or dip direction (2D). However, the boundaries between specific values may be subjective and without optimization significance, resulting from using default color palletes. This study proposes minimizing cosine distance among within-cluster observations to detect 3D anomalies. Our results suggest that the method holds promise for identification of megacylinders or megacones.
Erik M. Young, Christie D. Rowe, and James D. Kirkpatrick
Solid Earth, 13, 1607–1629, https://doi.org/10.5194/se-13-1607-2022, https://doi.org/10.5194/se-13-1607-2022, 2022
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Studying how earthquakes spread deep within the faults they originate from is crucial to improving our understanding of the earthquake process. We mapped preserved ancient earthquake surfaces that are now exposed in South Africa and studied their relationship with the shape and type of rocks surrounding them. We determined that these surfaces are not random and are instead associated with specific kinds of rocks and that their shape is linked to the evolution of the faults in which they occur.
Sivaji Lahiri, Kitty L. Milliken, Peter Vrolijk, Guillaume Desbois, and Janos L. Urai
Solid Earth, 13, 1513–1539, https://doi.org/10.5194/se-13-1513-2022, https://doi.org/10.5194/se-13-1513-2022, 2022
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Understanding the mechanism of mechanical compaction is important. Previous studies on mechanical compaction were mostly done by performing experiments. Studies on natural rocks are rare due to compositional heterogeneity of the sedimentary succession with depth. Due to remarkable similarity in composition and grain size, the Sumatra subduction complex provides a unique opportunity to study the micromechanism of mechanical compaction on natural samples.
Dongwon Lee, Nikolaos Karadimitriou, Matthias Ruf, and Holger Steeb
Solid Earth, 13, 1475–1494, https://doi.org/10.5194/se-13-1475-2022, https://doi.org/10.5194/se-13-1475-2022, 2022
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This research article focuses on filtering and segmentation methods employed in high-resolution µXRCT studies for crystalline rocks, bearing fractures, or fracture networks, of very small aperture. Specifically, we focus on the identification of artificially induced (via quenching) fractures in Carrara marble samples. Results from the same dataset from all five different methods adopted were produced and compared with each other in terms of their output quality and time efficiency.
Alberto Ceccato, Giulia Tartaglia, Marco Antonellini, and Giulio Viola
Solid Earth, 13, 1431–1453, https://doi.org/10.5194/se-13-1431-2022, https://doi.org/10.5194/se-13-1431-2022, 2022
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The Earth's surface is commonly characterized by the occurrence of fractures, which can be mapped, and their can be geometry quantified on digital representations of the surface at different scales of observation. Here we present a series of analytical and statistical tools, which can aid the quantification of fracture spatial distribution at different scales. In doing so, we can improve our understanding of how fracture geometry and geology affect fluid flow within the fractured Earth crust.
Giulio Viola, Giovanni Musumeci, Francesco Mazzarini, Lorenzo Tavazzani, Manuel Curzi, Espen Torgersen, Roelant van der Lelij, and Luca Aldega
Solid Earth, 13, 1327–1351, https://doi.org/10.5194/se-13-1327-2022, https://doi.org/10.5194/se-13-1327-2022, 2022
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A structural-geochronological approach helps to unravel the Zuccale Fault's architecture. By mapping its internal structure and dating some of its fault rocks, we constrained a deformation history lasting 20 Myr starting at ca. 22 Ma. Such long activity is recorded by now tightly juxtaposed brittle structural facies, i.e. different types of fault rocks. Our results also have implications on the regional evolution of the northern Apennines, of which the Zuccale Fault is an important structure.
Wan-Lin Hu
Solid Earth, 13, 1281–1290, https://doi.org/10.5194/se-13-1281-2022, https://doi.org/10.5194/se-13-1281-2022, 2022
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Having a seismic image is generally expected to enable us to better determine fault geometry and thus estimate geological slip rates accurately. However, the process of interpreting seismic images may introduce unintended uncertainties, which have not yet been widely discussed. Here, a case of a shear fault-bend fold in the frontal Himalaya is used to demonstrate how differences in interpretations can affect the following estimates of slip rates and dependent conclusions.
Manuel D. Menzel, Janos L. Urai, Estibalitz Ukar, Thierry Decrausaz, and Marguerite Godard
Solid Earth, 13, 1191–1218, https://doi.org/10.5194/se-13-1191-2022, https://doi.org/10.5194/se-13-1191-2022, 2022
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Mantle rocks can bind large quantities of carbon by reaction with CO2, but this capacity requires fluid pathways not to be clogged by carbonate. We studied mantle rocks from Oman to understand the mechanisms allowing their transformation into carbonate and quartz. Using advanced imaging techniques, we show that abundant veins were essential fluid pathways driving the reaction. Our results show that tectonic stress was important for fracture opening and a key ingredient for carbon fixation.
Jean-Baptiste P. Koehl, Steffen G. Bergh, and Arthur G. Sylvester
Solid Earth, 13, 1169–1190, https://doi.org/10.5194/se-13-1169-2022, https://doi.org/10.5194/se-13-1169-2022, 2022
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The San Andreas fault is a major active fault associated with ongoing earthquake sequences in southern California. The present study investigates the development of the Indio Hills area in the Coachella Valley along the main San Andreas fault and the Indio Hills fault. The Indio Hills area is located near an area with high ongoing earthquake activity (Brawley seismic zone), and, therefore, its recent tectonic evolution has implications for earthquake prediction.
Jin Lai, Dong Li, Yong Ai, Hongkun Liu, Deyang Cai, Kangjun Chen, Yuqiang Xie, and Guiwen Wang
Solid Earth, 13, 975–1002, https://doi.org/10.5194/se-13-975-2022, https://doi.org/10.5194/se-13-975-2022, 2022
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(1) Structural diagenesis analysis is performed on the ultra-deep tight sandstone. (2) Fracture and intergranular pores are related to the low in situ stress magnitudes. (3) Dissolution is associated with the presence of fracture.
Hamed Fazlikhani, Wolfgang Bauer, and Harald Stollhofen
Solid Earth, 13, 393–416, https://doi.org/10.5194/se-13-393-2022, https://doi.org/10.5194/se-13-393-2022, 2022
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Interpretation of newly acquired FRANKEN 2D seismic survey data in southeeastern Germany shows that upper Paleozoic low-grade metasedimentary rocks and possible nappe units are transported by Variscan shear zones to ca. 65 km west of the Franconian Fault System (FFS). We show that the locations of post-Variscan upper Carboniferous–Permian normal faults and associated graben and half-graben basins are controlled by the geometry of underlying Variscan shear zones.
Xiaodong Ma, Marian Hertrich, Florian Amann, Kai Bröker, Nima Gholizadeh Doonechaly, Valentin Gischig, Rebecca Hochreutener, Philipp Kästli, Hannes Krietsch, Michèle Marti, Barbara Nägeli, Morteza Nejati, Anne Obermann, Katrin Plenkers, Antonio P. Rinaldi, Alexis Shakas, Linus Villiger, Quinn Wenning, Alba Zappone, Falko Bethmann, Raymi Castilla, Francisco Seberto, Peter Meier, Thomas Driesner, Simon Loew, Hansruedi Maurer, Martin O. Saar, Stefan Wiemer, and Domenico Giardini
Solid Earth, 13, 301–322, https://doi.org/10.5194/se-13-301-2022, https://doi.org/10.5194/se-13-301-2022, 2022
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Questions on issues such as anthropogenic earthquakes and deep geothermal energy developments require a better understanding of the fractured rock. Experiments conducted at reduced scales but with higher-resolution observations can shed some light. To this end, the BedrettoLab was recently established in an existing tunnel in Ticino, Switzerland, with preliminary efforts to characterize realistic rock mass behavior at the hectometer scale.
Berit Schwichtenberg, Florian Fusseis, Ian B. Butler, and Edward Andò
Solid Earth, 13, 41–64, https://doi.org/10.5194/se-13-41-2022, https://doi.org/10.5194/se-13-41-2022, 2022
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Hydraulic rock properties such as porosity and permeability are relevant factors that have an impact on groundwater resources, geological repositories and fossil fuel reservoirs. We investigate the influence of chemical compaction upon the porosity evolution in salt–biotite mixtures and related transport length scales by conducting laboratory experiments in combination with 4-D analysis. Our observations invite a renewed discussion of the effect of sheet silicates on chemical compaction.
David Healy and Stephen Paul Hicks
Solid Earth, 13, 15–39, https://doi.org/10.5194/se-13-15-2022, https://doi.org/10.5194/se-13-15-2022, 2022
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The energy transition requires operations in faulted rocks. To manage the technical challenges and public concern over possible induced earthquakes, we need to quantify the risks. We calculate the probability of fault slip based on uncertain inputs, stresses, fluid pressures, and the mechanical properties of rocks in fault zones. Our examples highlight the specific gaps in our knowledge. Citizen science projects could produce useful data and include the public in the discussions about hazards.
Manuel I. de Paz-Álvarez, Thomas G. Blenkinsop, David M. Buchs, George E. Gibbons, and Lesley Cherns
Solid Earth, 13, 1–14, https://doi.org/10.5194/se-13-1-2022, https://doi.org/10.5194/se-13-1-2022, 2022
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We describe a virtual geological mapping course implemented in response to travelling and social restrictions derived from the ongoing COVID-19 pandemic. The course was designed to replicate a physical mapping exercise as closely as possible with the aid of real field data and photographs collected by the authors during previous years in the Cantabrian Zone (NW Spain). The course is delivered through Google Earth via a KMZ file with outcrop descriptions and links to GitHub-hosted photographs.
Yueyang Xia, Jacob Geersen, Dirk Klaeschen, Bo Ma, Dietrich Lange, Michael Riedel, Michael Schnabel, and Heidrun Kopp
Solid Earth, 12, 2467–2477, https://doi.org/10.5194/se-12-2467-2021, https://doi.org/10.5194/se-12-2467-2021, 2021
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The 2 June 1994 Java tsunami earthquake ruptured in a seismically quiet subduction zone and generated a larger-than-expected tsunami. Here, we re-process a seismic line across the rupture area. We show that a subducting seamount is located up-dip of the mainshock in a region that did not rupture during the earthquake. Seamount subduction modulates the topography of the marine forearc and acts as a seismic barrier in the 1994 earthquake rupture.
Steffen Abe and Hagen Deckert
Solid Earth, 12, 2407–2424, https://doi.org/10.5194/se-12-2407-2021, https://doi.org/10.5194/se-12-2407-2021, 2021
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We use numerical simulations and laboratory experiments on rock samples to investigate how stress conditions influence the geometry and roughness of fracture surfaces. The roughness of the surfaces was analyzed in terms of absolute roughness and scaling properties. The results show that the surfaces are self-affine but with different scaling properties between the numerical models and the real rock samples. Results suggest that stress conditions have little influence on the surface roughness.
Chao Deng, Rixiang Zhu, Jianhui Han, Yu Shu, Yuxiang Wu, Kefeng Hou, and Wei Long
Solid Earth, 12, 2327–2350, https://doi.org/10.5194/se-12-2327-2021, https://doi.org/10.5194/se-12-2327-2021, 2021
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This study uses seismic reflection data to interpret the geometric relationship and evolution of intra-basement and rift-related structures in the Enping sag in the northern South China Sea. Our observations suggest the primary control of pre-existing thrust faults is the formation of low-angle normal faults, with possible help from low-friction materials, and the significant role of pre-existing basement thrust faults in fault geometry, paleotopography, and syn-rift stratigraphy of rift basins.
Sonia Yeung, Marnie Forster, Emmanuel Skourtsos, and Gordon Lister
Solid Earth, 12, 2255–2275, https://doi.org/10.5194/se-12-2255-2021, https://doi.org/10.5194/se-12-2255-2021, 2021
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We do not know when the ancient Tethys Ocean lithosphere began to founder, but one clue can be found in subduction accreted tectonic slices, including Gondwanan basement terranes on the island of Ios, Cyclades, Greece. We propose a 250–300 km southwards jump of the subduction megathrust with a period of flat-slab subduction followed by slab break-off. The initiation and its subsequent rollback of a new subduction zone would explain the onset of Oligo–Miocene extension and accompanying magmatism.
Rahul Prabhakaran, Giovanni Bertotti, Janos Urai, and David Smeulders
Solid Earth, 12, 2159–2209, https://doi.org/10.5194/se-12-2159-2021, https://doi.org/10.5194/se-12-2159-2021, 2021
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Rock fractures are organized as networks with spatially varying arrangements. Due to networks' influence on bulk rock behaviour, it is important to quantify network spatial variation. We utilize an approach where fracture networks are treated as spatial graphs. By combining graph similarity measures with clustering techniques, spatial clusters within large-scale fracture networks are identified and organized hierarchically. The method is validated on a dataset with nearly 300 000 fractures.
Olivier Lacombe, Nicolas E. Beaudoin, Guilhem Hoareau, Aurélie Labeur, Christophe Pecheyran, and Jean-Paul Callot
Solid Earth, 12, 2145–2157, https://doi.org/10.5194/se-12-2145-2021, https://doi.org/10.5194/se-12-2145-2021, 2021
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This paper aims to illustrate how the timing and duration of contractional deformation associated with folding in orogenic forelands can be constrained by the dating of brittle mesostructures observed in folded strata. The study combines new and already published absolute ages of fractures to provide, for the first time, an educated discussion about the factors controlling the duration of the sequence of deformation encompassing layer-parallel shortening, fold growth, and late fold tightening.
Vincent Famin, Hugues Raimbourg, Muriel Andreani, and Anne-Marie Boullier
Solid Earth, 12, 2067–2085, https://doi.org/10.5194/se-12-2067-2021, https://doi.org/10.5194/se-12-2067-2021, 2021
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Sediments accumulated in accretionary prisms are deformed by the compression imposed by plate subduction. Here we show that deformation of the sediments transforms some minerals in them. We suggest that these mineral transformations are due to the proliferation of microorganisms boosted by deformation. Deformation-enhanced microbial proliferation may change our view of sedimentary and tectonic processes in subduction zones.
Cited articles
AGFW: Arbeitsgemeinschaft für Wärme und Heizkraftwirtschaft:
Technisches Handbuch Fernwärme, Technik und Normung, AGFW-Projektges.
für Rationalisierung, Information und Standardisierung, Frankfurt am Main, Germany, 2009. a
Agosta, F., Alessandroni, M., Antonellini, M., Tondi, E., and Giorgioni, M.:
From fractures to flow: A field-based quantitative analysis of an
outcropping carbonate reservoir, Tectonophysics, 490, 197–213,
https://doi.org/10.1016/j.tecto.2010.05.005, 2010. a
Ahrens, B., Duda, M., and Renner, J.: Relations between hydraulic properties
and ultrasonic velocities during brittle failure of a low-porosity sandstone
in laboratory experiments, Geophys. J. Int., 212, 627–645,
https://doi.org/10.1093/gji/ggx419, 2018. a, b
Araújo, K.: The emerging field of energy transitions: progress, challenges,
and opportunities, Energy Res. Soc. Sci, 1, 112–121,
https://doi.org/10.1016/j.erss.2014.03.002, 2014. a
Attewell, P. B. and Farmer, I. W.: Principles of Engineering Geology, Springer
Science and Business Media, London, UK, 1976. a
Baecher, G. B. and Christian, J. T.: Reliability and statistics in geotechnical
engineering, John Wiley and Sons, Chichester, UK, 2005. a
Basse, M., Koch, L., and Lemke, U.: Torleyiscutellum herwigorum n. gen., n.
sp. (Trilobita) from the Upper Honsel Beds of the north-western Sauerland
(Lower Givetian, Rhenohercynian Zone), with a contribution to scutelluid
systematic, Neues Jahrb. Geol. Paläontol., 281, 51–93,
https://doi.org/10.1127/njgpa/2016/0587, 2016. a
Becker, R., Aboussalam, Z., Stichling, S., and May, A.: The Givetian-Frasnian
Hönne Valley Reef Complex (northern Sauerland) – an outline of
stratigraphy and facies development, Münster. Forsch. Geol.
Paläont., 108, 126–140, 2016. a
Böhm, F., Koch, R., Höferle, R., and Baasch, R.: Der Malm in der
Geothermiebohrung Pullach Th2 – Faziesanalyse aus Spülproben
(München, S-Deutschland), Geol. Bl. NO-Bayern, 60, 17–49, 2010. a
Bonnet, E., Bour, O., Odling, N. E., Davy, P., Main, I., Cowie, P., and
Berkowitz, B.: Scaling of fracture systems in geological media, Rev.
Geophys., 39, 347–383, https://doi.org/10.1029/1999RG000074, 2001. a, b, c
Brudy, M., Zoback, M. D., Fuchs, K., Rummel, F., and Baumgärtner, J.:
Estimation of the complete stress tensor to 8km depth in the KTB
scientific drill holes: Implications for crustal strength, J. Geophys. Res.-Sol. Ea., 102, 18453–18475, https://doi.org/10.1029/96JB02942, 1997. a
Cappa, F., Guglielmi, Y., Fénart, P., Merrien-Soukatchoff, V., and
Thoraval, A.: Hydromechanical interactions in a fractured carbonate reservoir
inferred from hydraulic and mechanical measurements, Int. J. Rock Mech. Min.,
42, 287–306, https://doi.org/10.1016/j.ijrmms.2004.11.006, 2005. a
Čermák, V. and Rybach, L.: Thermal conductivity and specific heat of
minerals and rocks, in: Landolt-Börnstein: Numerical Data and Functional
Relationships in Science and Technology, New Series, Group V (Geophysics and
Space Research), Volume Ia (Physical Properties of Rocks), edited by:
Angenheister, G., Springer, Berlin and Heidelberg, Germany,
305–343, 1982. a
Clauser, C. and Huenges, E.: Thermal Conductivity of Rocks and Minerals, in:
Rock Physics and Phase Relations, edited by: Ahrens, T. J., American Geophysical Union, Washington, DC, USA,
105–126,
https://doi.org/10.1029/RF003p0105, 2013. a
Cruden, D.: Describing the size of discontinuities, Int. J. Rock Mech. Min.,
14, 133–137, https://doi.org/10.1016/0148-9062(77)90004-3, 1977. a
Dahi Taleghani, A. and Olson, J. E.: How natural fractures could affect
hydraulic-fracture geometry, SPE J., 19, 161–171,
https://doi.org/10.2118/167608-PA, 2013. a
Darcy, H. P. G.: Les Fontaines publiques de la ville de Dijon. Exposition et
application des principes à suivre et des formules à employer dans
les questions de distribution d'eau, etc, V. Dalmont, Paris, France, 1856. a
DEKORP Research Group: Results of deep-seismic reflection investigations in
the Rhenish Massif, Tectonophysics, 173, 507–515,
https://doi.org/10.1016/0040-1951(90)90242-Z, 1990. a, b, c
Der Kiureghian, A. and Ditlevsen, O.: Aleatory or epistemic? Does it matter?,
Struct. Saf., 31, 105–112, https://doi.org/10.1016/j.strusafe.2008.06.020, 2009. a
Drozdzewski, G.: Beiträge zur Tiefentektonik westdeutscher
Steinkohlenlagerstätten, Geologisches Landesamt Nordrhein-Westfalen, Krefeld, Germany,
1985. a
Drozdzewski, G., Grabert, H., Hartkop-Fröder, C., Jansen, F., Juch, D.,
Pieper, B., Schlimm, W., Stehn, O., Steuerwald, K., Suchan, K.-H., Thome, K.,
and Vogler, H.: Erläuterungen zur Geologischen Karte von
Nordrhein-Westfalen 1:100 000, Blatt C 4706 Düsseldorf-Essen, Geolog.
Landesamt Nordrhein-Westfalen, Krefeld, 2007. a, b, c
Duda, M. and Renner, J.: The weakening effect of water on the brittle failure
strength of sandstone, Geophys. J. Int., 192, 1091–1108,
https://doi.org/10.1093/gji/ggs090, 2013. a
Engel, W., Franke, W., and Langenstrassen, F.: Palaeozoic sedimentation in the northern branch of the mid-European Variscides – Essay of an
interpretation, in: Intracontinental fold belts, edited by: Martin, H. and Eder, F. W., Springer, Berlin, Germany, 9–41,
https://doi.org/10.1007/978-3-642-69124-9_2, 1983. a
Evans, J. P., Forster, C. B., and Goddard, J. V.: Permeability of fault-related
rocks, and implications for hydraulic structure of fault zones, J. Struct.
Geol., 19, 1393–1404, https://doi.org/10.1016/S0191-8141(97)00057-6, 1997. a
Flügel, E. and Hötzl, H.: Palökologische und statistische
Untersuchungen in mitteldevonischen Schelf-Kalken (Schwelmer Kalk, Givet;
Rheinisches Schiefergebirge), Bayerische Akad. Wiss., München, Germany, 1976. a
Franke, W. and Engel, W.: Variscan sedimentary basins on the Continent, and
relations with south-west England, Proc. Ussher., 5, 259–269, 1982. a
Franke, W., Bortfeld, R. K., Brix, M., Drozdzewski, G., Dürbaum, H. J.,
Giese, P., Janoth, W., Jödicke, H., Reichert, C., Scherp, A., Schmoll,
J., Thomas, R., Thünker, M., Weber, K., Wiesner, M. G., and Wong, H. K.:
Crustal structure of the Rhenish Massif: results of deep seismic reflection
lines Dekorp 2-North and 2-North-Q, Geol. Rundsch., 79, 523–566,
https://doi.org/10.1007/BF01879201, 1990. a
Franke, W., Cocks, L. R. M., and Torsvik, T. H.: The Palaeozoic Variscan
oceans revisited, Gondwana Res., 48, 257–284,
https://doi.org/10.1016/j.gr.2017.03.005, 2017. a, b
Fridleifsson, I. B., Bertani, R., Huenges, E., Lund, J. W., Ragnarsson, A., and
Rybach, L.: The possible role and contribution of geothermal energy to the
mitigation of climate change, in: IPCC scoping meeting on renewable energy
sources, proceedings, 20–25 January 2008, Luebeck, Germany, 59–80,
https://doi.org/20.500.11850/13474.3, 2008. a
Fritzer, T., Settles, E., and Dorsch, K.: Bayerischer Geothermieatlas –
Hydrothermale Energiegewinnung, Bayerisches Staatsministerium für
Wirtschaft, Infrastruktur, Verkehr und Technologie, Munich, Germany, 2010 (in
German). a
Ganoulis, J.: Engineering risk analysis of water pollution: probabilities and
fuzzy sets, John Wiley and Sons, Weinheim, Germany, 2008. a
Gassmann, F.: Über die Elastizität poröser Medien: Vier. der
Natur, Gesellschaft Zürich, 96, 1–23, 1951. a
Gebrande, H.: 3.1.3 Elastic wave velocities and constants of elasticity of
rocks at room temperature and pressures < 1 GPa: Datasheet from
Landolt-Börnstein – Group V Geophysics Volume 1B,
in: Subvolume B, edited by: Angenheister, G., Springer,
Berlin and Heidelberg, Germany, 35–38, https://doi.org/10.1007/10201909_7, 1982. a
Goldstein, B., Hiriart, G., Tester, J., Bertani, B., Bromley, R.,
Gutierrez-Negrin, L., Huenges, E., Ragnarsson, A., Mongillo, A., Muraoka, H.,
and Zui, V. I.: Thirty-Sixth Workshop on Geothermal Reservoir Engineering Stanford University, 31 January–2 February 2011, Stanford, California, USA, SGP-TR-191, 2011. a
Guerriero, V., Mazzoli, S., Iannace, A., Vitale, S., Carravetta, A., and
Strauss, C.: A permeability model for naturally fractured carbonate
reservoirs, Mar. Petrol. Geol., 40, 115–134,
https://doi.org/10.1016/j.marpetgeo.2012.11.002, 2013. a
Hancock, P. L. and Bevan, T. G.: Brittle modes of foreland extension, Geol.
Soc. Spec. Publ., 28, 127–137, https://doi.org/10.1144/GSL.SP.1987.028.01.10, 1987. a
Hashin, Z. and Shtrikman, S.: A variational approach to the theory of the
elastic behaviour of multiphase materials, J. Mech. Phys. Solids, 11,
127–140, https://doi.org/10.1016/0022-5096(63)90060-7, 1963. a
Hesemann, J.: Die Ergebnisse der Bohrung Münsterland 1, Springer Fachmedien,
Wiesbaden, Germany, 1965. a
Hirschberg, S., Wiemer, S., and Burgherr, P.: Energy from the Earth. Deep
Geothermal as Resource for the Future?, vdf Hochschulverlag AG, Zurich,
Switzerland, 2015. a
Hoek, E. and Brown, E.: Practical estimates of rock mass strength, Int. J. Rock
Mech. Min., 34, 1165–1186, https://doi.org/10.1016/S1365-1609(97)80069-X, 1997. a
Holder, M. T. and Leversidge, B. E.: A model for the tectonic evolution of
south Cornwall, J. Geol. Soc. London, 143, 125–134,
https://doi.org/10.1144/gsjgs.143.1.0125, 1986. a
Homuth, S.: Aufschlussanalogstudie zur Charakterisierung oberjurassischer
geothermischer Karbonatreservoire im Molassebecken, PhD thesis, Technische
Universität Darmstadt, Darmstadt, Germany, 314 pp., 2014. a
Homuth, S., Götz, A. E., and Sass, I.: Reservoir characterization of the
Upper Jurassic geothermal target formations (Molasse Basin, Germany): role of
thermofacies as exploration tool, Geoth. Energ. Sci., 3, 41–49,
https://doi.org/10.5194/gtes-3-41-2015, 2015a. a
Homuth, S., Götz, A., and Sass, I.: Physical Properties of the Geothermal
Carbonate Reservoirs of the Molasse Basin, Germany – Outcrop Analogue vs.
Reservoir Data, in: World geothermal congress 2015, 19–24 April 2015, Melbourne, Australia, 2015b. a
Hudson, J. A.: Engineering Properties of Rocks, 2nd edn., edited by: Zhang, L., Butterworth-Heinemann, Oxford, UK, Cambridge, USA, https://doi.org/10.1016/B978-0-12-802833-9.09994-6, 2005. a
ISRM: International society for rock mechanics commission on standardization
of laboratory and field tests: Suggested methods for the quantitative
description of discontinuities in rock masses, Int. J. Rock Mech. Min., 15,
319–368, https://doi.org/10.1016/0148-9062(78)91472-9, 1978. a
Jorand, R., Clauser, C., Marquart, G., and Pechnig, R.: Statistically reliable
petrophysical properties of potential reservoir rocks for geothermal energy
use and their relation to lithostratigraphy and rock composition: The NE
Rhenish Massif and the Lower Rhine Embayment (Germany), Geothermics, 53,
413–428, https://doi.org/10.1016/j.geothermics.2014.08.008, 2015. a
Jux, U.: Die devonischen Riffe im rheinischen Schiefergebirge, Teile I und
II, N. Jb. Geol. Paläont., Abh., 110/2, 186–258, Stuttgart, Germany, 1960. a
Kelley, V. C. and Clinton, N. J.: Fracture systems and tectonic elements of the
Colorado Plateau, University of New Mexico Press, Albuquerque, New Mexico, USA, 1960. a
Klaus, T., Vollmer, C., Werner, K., Lehmann, H., and Müschen, K.:
Energieziel 2050: 100 % Strom aus erneuerbaren Quellen,
Umweltbundesamt, Dessau, Germany, 2010. a
Kley, J.: Saxonische Tektonik im 21. Jahrhundert, Z. Dtsch. Ges. Geowiss., 164,
295–311, https://doi.org/10.1127/1860-1804/2013/0022, 2013. a, b
Knutzen, L. K.: Geothermal and spatial coupled site selection for the
connection of deep geothermal plants to existing district heating networks on
the example of the Ruhr Metropolitan Region, PhD thesis,
Ruhr-Universität Bochum, Bochum, Germany, 205 pp., 2017. a
Koch-Früchtel, U. and Früchtel, M.: Stratigraphie und Faziesanalyse
einer mitteldevonischen arbonatabfolge im Remscheid-Altenaer Sattel
(Sauerland), Geol. Paläont. Westf., 26, 47–75, 1993. a
Kranz, R. L., Frankel, A. D., Engelder, T., and Scholz, C. H.: The
permeability of whole and jointed Barre Granite, Int. J. Rock. Mech. Min.,
16, 225–234, https://doi.org/10.1016/0148-9062(79)91197-5, 1979. a
Lacazette, A.: A new stereographic technique for the reduction of scanline
survey data of geologic fractures, Comput. Geosci., 17, 445–463,
https://doi.org/10.1016/0098-3004(91)90051-E, 1991. a, b
Löer, K., Riahi, N., and Saenger, E. H.: Three-component ambient noise
beamforming in the Parkfield area, Geophys. J. Int., 213, 1478–1491,
https://doi.org/10.1093/gji/ggy058, 2018. a
Lorenz, J. C., Teufel, L. W., and Warpinski, N. R.: Regional Fractures I: A
Mechanism for the Formation of Regional Fractures at Depth in Flat-Lying
Reservoirs1, AAPG Bull., 75, 1714–1737,
https://doi.org/10.1306/0C9B29E3-1710-11D7-8645000102C1865D, 1991. a, b
Lucia, J. F., Charles, K., and James, J.: Carbonate Reservoir Characterization,
vol. 2, Springer, Berlin and Heidelberg, Germany, https://doi.org/10.1007/978-3-540-72742-2, 2007. a
Markovaara-Koivisto, M. and Laine, E.: MATLAB script for analyzing and
visualizing scanline data, Comput. Geosci., 40, 185–193,
https://doi.org/10.1016/j.cageo.2011.07.010, 2012. a, b, c
Martin, G. S., Wiley, R., and Marfurt, K. J.: Marmousi2: An elastic upgrade for
Marmousi, Lead. Edge, 25, 156–166, https://doi.org/10.1190/1.2172306, 2006. a
MATLAB: version 9.4.0. (R2018a), The MathWorks Inc., Natick, MA, USA,
2018. a
Mavko, G., Mukerji, T., and Dvorkin, J.: The Rock Physics Handbook,
3 edn., Cambridge University Press, Cambridge, UK,
https://doi.org/10.1017/CBO9780511626753, 2020. a
Meschede, M.: Deutschland im späten Paläozoikum, in: Geologie
Deutschlands, 2nd edition, Springer, Berlin and Heidelberg, Germany, 61–101,
https://doi.org/10.1007/978-3-662-56422-6, 2018. a, b, c, d
Narr, W.: Fracture Density in the Deep Subsurface: Techniques with Application
to Point Arguello Oil Field, AAPG Bull., 75, 1300–1323,
https://doi.org/10.1306/0C9B2939-1710-11D7-8645000102C1865D, 1991. a, b
Narr, W.: Estimating Average Fracture Spacing in Subsurface Rock, AAPG Bull.,
80, 1565–1585, https://doi.org/10.1306/64EDA0B4-1724-11D7-8645000102C1865D, 1996. a, b
Nelson, R.: Geologic analysis of naturally fractured reservoirs, Elsevier, Oxford, UK, 2001. a
Nelson, R. A. and Handin, J.: Experimental study of fracture permeability in
porous rock, AAPG Bull., 61, 227–236,
https://doi.org/10.1306/C1EA3C2B-16C9-11D7-8645000102C1865D, 1977. a
Nickelsen, R. P. and Hough, V. N. D.: Jointing in the Appalachian Plateau of
Pennsylvania, AAPG Bull., 78, 609–630,
https://doi.org/10.1130/0016-7606(1967)78[609:JITAPO]2.0.CO;2, 1967. a
Normenausschuss Bauwesen (NABau): DIN 18124: Determination of density of solid particles – Capillary pyknometer, wide mouth pycnometer, gas pycnometer, Beuth, Berlin, Germany, 2011. a
Odling, N. E., Gillespie, P., Bourgine, B., Castaing, C., Chiles, J. P.,
Christensen, N. P., Fillion, E., Genter, A., Olsen, C., Thrane, L., Trice,
R., Aarseth, E., Walsh, J. J., and Watterson, J.: Variations in fracture
system geometry and their implications for fluid flow in fractures
hydrocarbon reservoirs, Petrol. Geosci., 5, 373–384,
https://doi.org/10.1144/petgeo.5.4.373, 1999. a
Oncken, O.: Transformation of a magmatic arc and an orogenic root during
oblique collision and it's consequences for the evolution of the European
Variscides (Mid-German Crystalline Rise), Geol. Rundsch., 86, 2–20,
https://doi.org/10.1007/s005310050118, 1997. a
Ozkaya, S. I.: A Simple Formula To Estimate 2D Fracture Connectivity, SPE
Reservoir Evaluation and Engineering, 14, 763–775, 2011. a
Paeckelmann, W.: Erläuterungen zur Geologische Karte von Preußen und
benachbarten deutschen Ländern, Blatt Balve, Geolog. Landesamt
Nordrhein-Westfalen, Krefeld, Germany, 1938. a
Pas, D., Da Silva, A.-C., Cornet, P., Bultynck, P., Königshof, P., and
Boulvain, F.: Sedimentary development of a continuous Middle Devonian to
Mississippian section from the fore-reef fringe of the Brilon Reef Complex
(Rheinisches Schiefergebirge, Germany), Facies, 59, 969–990,
https://doi.org/10.1007/s10347-012-0351-z, 2013. a
Popov, Y. A.: Optical scanning technology for nondestructive contactless
measurements of thermal conductivity and diffusivity of solid matters, Exp.
Heat Transfer, Fluid Mech. Thermodyn., 1, 109–117, 1997. a
Priest, S. D.: Discontinuity Analysis for Rock Engineering, Springer Science and
Business Media, London, UK and New York, USA, https://doi.org/10.1007/978-94-011-1498-1, 1995. a
Priest, S. D. and Hudson, J. A.: Discontinuity spacings in rock, Int. J. Rock.
Mech. Min., 13, 135–148, https://doi.org/10.1016/0148-9062(76)90818-4, 1976. a
Roberts, J. C.: Jointing and minor tectonics of the Vale of Glamorgan between
Ogmore-By-Sea and Lavernock Point, South Wales, Geol. J., 9, 97–114,
https://doi.org/10.1002/gj.3350090201, 1974. a
Salamon, M. and Königshof, P.: Middle Devonian olistostromes in the
Rheno-Hercynian zone (Rheinisches Schiefergebirge) – An indication of back
arc rifting on the southern shelf of Laurussia, Gondwana Res., 17, 281–291,
https://doi.org/10.1016/j.gr.2009.10.004, 2010. a, b
Santos, R. F. V. C., Miranda, T. S., Barbosa, J. A., Gomes, I. F., Matos,
G. C., Gale, J. F. W., Neumann, V. H. L. M., and Guimarães, L. J. N.:
Characterization of natural fracture systems: Analysis of uncertainty
effects in linear scanline results, AAPG Bull., 99, 2203–2219,
https://doi.org/10.1306/05211514104, 2015. a
Scheer, D., Konrad, W., and Scheel, O.: Public evaluation of electricity
technologies and future low-carbon portfolios in Germany and the USA, Energ.
Sustain. Soc., 3, 8, https://doi.org/10.1186/2192-0567-3-8, 2013. a
Schellschmidt, R., Sanner, B., Pester, S., and Schulz, R.: Geothermal energy
use in Germany, in: Proceedings of the World Geothermal Congress,
25–30 April 2010, Bali, Indonesia, p. 19, 2010. a
Stearns, D. W. and Friedman, M.: Reservoirs in Fractured Rock, in: Stratigraphic Oil and Gas Fields—Classification, Exploration Methods, and Case Histories, edited by: King R. E., American Association of Petroleum Geologists, Volume 16, University of California, Oakland, USA, available at: https://pubs.geoscienceworld.org/books/book/1472/chapter/107176787/Reservoirs-in-Fractured-Rock?redirectedFrom=PDF (last access: 27 March 2020), 1972. a
Stober, I.: Hydrochemical properties of deep carbonate aquifers in the SW
German Molasse basin, Geothermal Energy, 2, 13,
https://doi.org/10.1186/s40517-014-0013-1, 2014.
a
Terzaghi, R. D.: Sources of Error in Joint Surveys, Geotechnique, 15, 287–304,
https://doi.org/10.1680/geot.1965.15.3.287, 1965. a
van Golf-Racht, T. D.: Fundamentals of fractured reservoir engineering,
Elsevier, Amsterdam, the Netherlands, 1982. a
von Kamp, H. and Ribbert, K. H.: Erläuterungen zur Geologischen Karte von
Nordrhein-Westfalen 1 : 25 000, Blatt 4611 Hagen-Hohenlimburg, Geolog. Landesamt
Nordrhein-Westfalen, Krefeld, Germany, 2005. a
Wagner, W.: FLUIDCAL, software for calculation of thermodynamic properties for
a great number of substances, F.I.R.S.T. – Gesellschaft für
technisch-wissenschaftliche Softwareanwendungen mbH, Wermelskirchen, Germany, 2009. a
Watkins, H., Bond, C. E., Healy, D., and Butler, R. W.: Appraisal of fracture
sampling methods and a new workflow to characterise heterogeneous fracture
networks at outcrop, J. Struct. Geol., 72, 67–82, 2015. a
Wegener, M., Schwarze, B., Spiekermann, K., Brosch, K., Huber, F., Müller,
M., and Reutter, O.: Modelling the great transformation in the Ruhr area,
Transp. Res. Proc., 41, 231–239, https://doi.org/10.1016/j.trpro.2019.09.042, 2019. a
Wilson, C. E., Aydin, A., Karimi-Fard, M., Durlofsky, L. J., Amir, S., Brodsky,
E. E., Kreylos, O., and Kellogg, L. H.: From outcrop to flow simulation:
Constructing discrete fracture models from a LIDAR survey, AAPG Bull., 95,
1883–1905, https://doi.org/10.1306/03241108148, 2011. a
Short summary
The geothermal potential of a carbonate reservoir in the Rhine-Ruhr area, Germany, was investigated by field and laboratory investigations. The carbonate layer of interest is approx. 150 m thick; located at 4 to 6 km depth; and might extend below Essen, Bochum, and Dortmund. We proposed focusing on discontinuities striking NNW–SSE for geothermal applications, as these are the most common, strike in the direction of the main horizontal stress, and dominate reservoir fluid flow.
The geothermal potential of a carbonate reservoir in the Rhine-Ruhr area, Germany, was...
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