Articles | Volume 10, issue 1
https://doi.org/10.5194/se-10-211-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/se-10-211-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Geochronological and thermometric evidence of unusually hot fluids in an Alpine fissure of Lauzière granite (Belledonne, Western Alps)
Emilie Janots
CORRESPONDING AUTHOR
Univ. Grenoble Alpes, CNRS, IRD, IFSTTAR, ISTerre, 38000 Grenoble, France
Department of Earth and Environmental Sciences,
Ludwig-Maximilians-Universität Munich, Luisenstr, 37, 80333 Munich,
Germany
Alexis Grand'Homme
Univ. Grenoble Alpes, CNRS, IRD, IFSTTAR, ISTerre, 38000 Grenoble, France
Matthias Bernet
Univ. Grenoble Alpes, CNRS, IRD, IFSTTAR, ISTerre, 38000 Grenoble, France
Damien Guillaume
Univ Lyon, UJM-Saint-Etienne, UCA, CNRS, IRD, LMV UMR 6524, 42023,
Saint-Étienne, France
Edwin Gnos
Natural History Museum of Geneva, 1 route de
Malagnou, 1208 Geneva, Switzerland
Marie-Christine Boiron
Université de
Lorraine, CNRS, GeoRessources, 54000 Nancy, France
Magali Rossi
Univ. Grenoble Alpes, Univ.
Savoie Mont-Blanc, CNRS, EDYTEM, 73 000 Chambéry, France
Anne-Magali Seydoux-Guillaume
Univ Lyon, UJM-Saint-Etienne, UCA, CNRS, IRD, LMV UMR 6524, 42023,
Saint-Étienne, France
Roger De Ascenção Guedes
Editions du Piat, Glavenas, 43200 Saint-Julien-du-Pinet, France
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Cited
15 citations as recorded by crossref.
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- Dating tectonic activity in the Lepontine Dome and Rhone-Simplon Fault regions through hydrothermal monazite-(Ce) C. Bergemann et al. 10.5194/se-11-199-2020
- Determining the Lifespan of Hydrothermal Systems Using Thermochronology and Thermal Modeling S. Jess et al. 10.1029/2021JF006286
- Apatite low-temperature chronometry and microstructures across a hydrothermally active fault zone A. Berger et al. 10.1016/j.chemgeo.2021.120633
- Cenozoic deformation in the Tauern Window (Eastern Alps) constrained by in situ Th-Pb dating of fissure monazite E. Ricchi et al. 10.5194/se-11-437-2020
- Episodes of fissure formation in the Alps: connecting quartz fluid inclusion, fissure monazite age, and fissure orientation data E. Gnos et al. 10.1186/s00015-021-00391-9
- Bridging the Gap between Long–Term Orogenic Evolution (>10 Ma Scale) and Geomorphological Processes That Shape the Western Alps: Insights from Combined Dating Approaches Y. Rolland et al. 10.3390/geosciences12110393
- A long history of ductile and brittle deformation of Eastern Pyrenees fault zones: coupling 40Ar/39Ar geochronology, chlorite geothermometry and structural observation G. Milesi et al. 10.1016/j.jsg.2025.105465
- An electron backscatter diffraction study of monazite: Linking the time-deformation path C. Mottram & J. Cottle 10.1016/j.chemgeo.2024.122238
- Ion microprobe dating of fissure monazite in the Western Alps: insights from the Argentera Massif and the Piemontais and Briançonnais Zones E. Ricchi et al. 10.1186/s00015-020-00365-3
- Extensional reactivation of the Penninic frontal thrust 3 Myr ago as evidenced by U–Pb dating on calcite in fault zone cataclasite A. Bilau et al. 10.5194/se-12-237-2021
- Multidisciplinary petro-geo-thermochronological approach to ore deposit exploration M. Bernet et al. 10.1016/j.oregeorev.2019.103017
- Tracking geothermal anomalies along a crustal fault using (U − Th)∕He apatite thermochronology and rare-earth element (REE) analyses: the example of the Têt fault (Pyrenees, France) G. Milesi et al. 10.5194/se-11-1747-2020
- Shear zone memory revealed by in-situ Rb-Sr and 40Ar/39Ar dating of Pyrenean and Alpine tectonic phases in the external Alps L. Boschetti et al. 10.1016/j.lithos.2025.108168
15 citations as recorded by crossref.
- P–T-t conditions of successive deformation stages during exhumation of orogenically thickened crust; a case study from the Aar Massif, Central Alps, Switzerland E. Gnos et al. 10.1186/s00015-025-00484-9
- Lithium-rich basement brines: Activity versus concentration geothermometry T. Boschetti et al. 10.1016/j.geothermics.2024.102965
- Dating tectonic activity in the Lepontine Dome and Rhone-Simplon Fault regions through hydrothermal monazite-(Ce) C. Bergemann et al. 10.5194/se-11-199-2020
- Determining the Lifespan of Hydrothermal Systems Using Thermochronology and Thermal Modeling S. Jess et al. 10.1029/2021JF006286
- Apatite low-temperature chronometry and microstructures across a hydrothermally active fault zone A. Berger et al. 10.1016/j.chemgeo.2021.120633
- Cenozoic deformation in the Tauern Window (Eastern Alps) constrained by in situ Th-Pb dating of fissure monazite E. Ricchi et al. 10.5194/se-11-437-2020
- Episodes of fissure formation in the Alps: connecting quartz fluid inclusion, fissure monazite age, and fissure orientation data E. Gnos et al. 10.1186/s00015-021-00391-9
- Bridging the Gap between Long–Term Orogenic Evolution (>10 Ma Scale) and Geomorphological Processes That Shape the Western Alps: Insights from Combined Dating Approaches Y. Rolland et al. 10.3390/geosciences12110393
- A long history of ductile and brittle deformation of Eastern Pyrenees fault zones: coupling 40Ar/39Ar geochronology, chlorite geothermometry and structural observation G. Milesi et al. 10.1016/j.jsg.2025.105465
- An electron backscatter diffraction study of monazite: Linking the time-deformation path C. Mottram & J. Cottle 10.1016/j.chemgeo.2024.122238
- Ion microprobe dating of fissure monazite in the Western Alps: insights from the Argentera Massif and the Piemontais and Briançonnais Zones E. Ricchi et al. 10.1186/s00015-020-00365-3
- Extensional reactivation of the Penninic frontal thrust 3 Myr ago as evidenced by U–Pb dating on calcite in fault zone cataclasite A. Bilau et al. 10.5194/se-12-237-2021
- Multidisciplinary petro-geo-thermochronological approach to ore deposit exploration M. Bernet et al. 10.1016/j.oregeorev.2019.103017
- Tracking geothermal anomalies along a crustal fault using (U − Th)∕He apatite thermochronology and rare-earth element (REE) analyses: the example of the Têt fault (Pyrenees, France) G. Milesi et al. 10.5194/se-11-1747-2020
- Shear zone memory revealed by in-situ Rb-Sr and 40Ar/39Ar dating of Pyrenean and Alpine tectonic phases in the external Alps L. Boschetti et al. 10.1016/j.lithos.2025.108168
Discussed (final revised paper)
Discussed (preprint)
Latest update: 24 Oct 2025
Short summary
This geochronological and thermometric study reveals unusually hot fluids in an Alpine-type fissure of granite from the external crystalline massif (Western Alps). The fluid is estimated to be 150-250 °C hotter than the host rock and requires a dynamic fluid pathway at mid-crustal conditions in the ductile regime. This fluid circulation resets the zircon fission track thermochronometer, but only at the fissure contact. Thermal disturbances due to advective heating appear to be localized.
This geochronological and thermometric study reveals unusually hot fluids in an Alpine-type...