Articles | Volume 8, issue 1
https://doi.org/10.5194/se-8-27-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/se-8-27-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Research article
| 
10 Jan 2017
Research article |
| 10 Jan 2017
Microstructures and deformation mechanisms in Opalinus Clay: insights from scaly clay from the Main Fault in the Mont Terri Rock Laboratory (CH)
Structural Geology, Tectonics and Geomechanics, RWTH Aachen
University, Lochnerstr. 4–20, 52056 Aachen, Germany
now at: Federal Institute for Geosciences and Natural Resources
(BGR), Stilleweg 2, 30655 Hannover, Germany
Janos L. Urai
Structural Geology, Tectonics and Geomechanics, RWTH Aachen
University, Lochnerstr. 4–20, 52056 Aachen, Germany
Christophe Nussbaum
Mont Terri Consortium, Federal Office of Topography
swisstopo, Route de la Gare 63, 2882 St-Ursanne, Switzerland
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Cited
22 citations as recorded by crossref.
- Review of major shale-dominated detachment and thrust characteristics in the diagenetic zone: Part II, rock mechanics and microscopic scale C. Morley et al. 10.1016/j.earscirev.2017.09.015
- Effects of shear on development characteristics of organic matter pores in shale: A case study of shale in the Niutitang Formation of the well XAD1 Y. Yu et al. 10.1016/j.petrol.2022.110166
- A Sustainable Option to Reuse Scaly Clays as Geomaterial for Earthworks M. Rosone & C. Celauro 10.3390/geosciences14010017
- Deformation mechanisms and evolution of the microstructure of gouge in the Main Fault in Opalinus Clay in the Mont Terri rock laboratory (CH) B. Laurich et al. 10.5194/se-9-1-2018
- Experimental Deformation of Opalinus Clay at Elevated Temperature and Pressure Conditions: Mechanical Properties and the Influence of Rock Fabric V. Schuster et al. 10.1007/s00603-021-02474-3
- Physical properties variations in a shaly formation across a fault core A. Bonnelye et al. 10.1093/gji/ggae078
- Frictional properties of Opalinus Clay: influence of humidity, normal stress and grain size on frictional stability N. Bigaroni et al. 10.1093/gji/ggac457
- Estimation of the highest potential transmissivity of discrete shear fractures using the ductility index E. Ishii 10.1016/j.ijrmms.2017.10.017
- Induced microseismicity and tremor signatures illuminate different slip behaviours in a natural shale fault reactivated by a fluid pressure stimulation (Mont Terri) L. De Barros et al. 10.1093/gji/ggad231
- Mathematical Modelling of Fault Reactivation Induced by Water Injection T. Nguyen et al. 10.3390/min9050282
- Grain-scale deformation mechanisms and evolution of porosity in experimentally deformed Boom Clay B. Schuck et al. 10.1016/j.jsg.2019.103894
- Micromechanisms leading to shear failure of Opalinus Clay in a triaxial test: a high-resolution BIB–SEM study L. Winhausen et al. 10.5194/se-12-2109-2021
- Layering and structural inheritance controls on fault zone structure in three dimensions: a case study from the northern Molasse Basin, Switzerland V. Roche et al. 10.1144/jgs2019-052
- Strain Partitioning and Frictional Behavior of Opalinus Clay During Fault Reactivation V. Schuster et al. 10.1007/s00603-022-03129-7
- Deformation in cemented mudrock (Callovo–Oxfordian Clay) by microcracking, granular flow and phyllosilicate plasticity: insights from triaxial deformation, broad ion beam polishing and scanning electron microscopy G. Desbois et al. 10.5194/se-8-291-2017
- Microstructural characterization of natural fractures and faults in the Opalinus Clay: insights from a deep drilling campaign across central northern Switzerland I. Akker et al. 10.1186/s00015-023-00438-z
- Physical characterization of fault rocks within the Opalinus Clay formation L. Orellana et al. 10.1038/s41598-022-08236-7
- Fault zone architecture of a large plate-bounding strike-slip fault: a case study from the Alpine Fault, New Zealand B. Schuck et al. 10.5194/se-11-95-2020
- Elemental and isotopic tracing of mineral infillings from various microstructures of a fault system into fine-grained sediments: which interacting fluids? N. Clauer et al. 10.1007/s00531-021-02143-4
- CD-A twin niches in the Mont Terri Rock Laboratory: Characterization and interpretation of hydraulic parameters with regard to safety aspects G. Ziefle et al. 10.1016/j.ijrmms.2023.105624
- Geochemical signature of paleofluids in microstructures from Main Fault in the Opalinus Clay of the Mont Terri rock laboratory, Switzerland N. Clauer et al. 10.1007/s00015-016-0253-0
- Tectonic structure of the “Main Fault” in the Opalinus Clay, Mont Terri rock laboratory (Switzerland) D. Jaeggi et al. 10.1007/s00015-016-0243-2
20 citations as recorded by crossref.
- Review of major shale-dominated detachment and thrust characteristics in the diagenetic zone: Part II, rock mechanics and microscopic scale C. Morley et al. 10.1016/j.earscirev.2017.09.015
- Effects of shear on development characteristics of organic matter pores in shale: A case study of shale in the Niutitang Formation of the well XAD1 Y. Yu et al. 10.1016/j.petrol.2022.110166
- A Sustainable Option to Reuse Scaly Clays as Geomaterial for Earthworks M. Rosone & C. Celauro 10.3390/geosciences14010017
- Deformation mechanisms and evolution of the microstructure of gouge in the Main Fault in Opalinus Clay in the Mont Terri rock laboratory (CH) B. Laurich et al. 10.5194/se-9-1-2018
- Experimental Deformation of Opalinus Clay at Elevated Temperature and Pressure Conditions: Mechanical Properties and the Influence of Rock Fabric V. Schuster et al. 10.1007/s00603-021-02474-3
- Physical properties variations in a shaly formation across a fault core A. Bonnelye et al. 10.1093/gji/ggae078
- Frictional properties of Opalinus Clay: influence of humidity, normal stress and grain size on frictional stability N. Bigaroni et al. 10.1093/gji/ggac457
- Estimation of the highest potential transmissivity of discrete shear fractures using the ductility index E. Ishii 10.1016/j.ijrmms.2017.10.017
- Induced microseismicity and tremor signatures illuminate different slip behaviours in a natural shale fault reactivated by a fluid pressure stimulation (Mont Terri) L. De Barros et al. 10.1093/gji/ggad231
- Mathematical Modelling of Fault Reactivation Induced by Water Injection T. Nguyen et al. 10.3390/min9050282
- Grain-scale deformation mechanisms and evolution of porosity in experimentally deformed Boom Clay B. Schuck et al. 10.1016/j.jsg.2019.103894
- Micromechanisms leading to shear failure of Opalinus Clay in a triaxial test: a high-resolution BIB–SEM study L. Winhausen et al. 10.5194/se-12-2109-2021
- Layering and structural inheritance controls on fault zone structure in three dimensions: a case study from the northern Molasse Basin, Switzerland V. Roche et al. 10.1144/jgs2019-052
- Strain Partitioning and Frictional Behavior of Opalinus Clay During Fault Reactivation V. Schuster et al. 10.1007/s00603-022-03129-7
- Deformation in cemented mudrock (Callovo–Oxfordian Clay) by microcracking, granular flow and phyllosilicate plasticity: insights from triaxial deformation, broad ion beam polishing and scanning electron microscopy G. Desbois et al. 10.5194/se-8-291-2017
- Microstructural characterization of natural fractures and faults in the Opalinus Clay: insights from a deep drilling campaign across central northern Switzerland I. Akker et al. 10.1186/s00015-023-00438-z
- Physical characterization of fault rocks within the Opalinus Clay formation L. Orellana et al. 10.1038/s41598-022-08236-7
- Fault zone architecture of a large plate-bounding strike-slip fault: a case study from the Alpine Fault, New Zealand B. Schuck et al. 10.5194/se-11-95-2020
- Elemental and isotopic tracing of mineral infillings from various microstructures of a fault system into fine-grained sediments: which interacting fluids? N. Clauer et al. 10.1007/s00531-021-02143-4
- CD-A twin niches in the Mont Terri Rock Laboratory: Characterization and interpretation of hydraulic parameters with regard to safety aspects G. Ziefle et al. 10.1016/j.ijrmms.2023.105624
2 citations as recorded by crossref.
- Geochemical signature of paleofluids in microstructures from Main Fault in the Opalinus Clay of the Mont Terri rock laboratory, Switzerland N. Clauer et al. 10.1007/s00015-016-0253-0
- Tectonic structure of the “Main Fault” in the Opalinus Clay, Mont Terri rock laboratory (Switzerland) D. Jaeggi et al. 10.1007/s00015-016-0243-2
Latest update: 14 Dec 2024
Short summary
Scaly clay is a well-known rock fabric that can develop in tectonic systems and that can alter the physical rock properties of a formation. However, the internal microstructure and evolution of this fabric remain poorly understood. We examined the scaly microstructure of progressively faulted Opalinus Clay using optical as well as scanning electron microscopy. We show that as little as 1 vol.% in scaly clay aggregates is strained and present an evolutionary model for this.
Scaly clay is a well-known rock fabric that can develop in tectonic systems and that can alter...
