Brittle rotational faults and the associated shear heating |
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| Institution: | 1. Department of Earth Sciences, Indian Institute of Technology Bombay, Powai, Mumbai 400 076, Maharashtra, India;2. Department of Mechanical and Industrial Engineering, Louisiana State University, Baton Rouge, LA 70803, USA;1. Dipartimento di Biologia, Ecologia e Scienze della Terra, Università degli Studi della Calabria, Italy;2. Centro di Geologia e Amianto, Agenzia Regionale Protezione Ambiente Calabria, Italy;1. College of Earth Sciences, Jilin University, Jianshe Str. 2199, 13006 Changchun, Jilin, China;2. Department of Geography and Geology, University of Salzburg, Hellbrunner Str. 34, A-5020 Salzburg, Austria;3. Planetary Science Institute, Faculty of Earth Sciences, China University of Geosciences (Wuhan), Wuhan, Hubei, China;1. Department of Geology, Mashhad Branch, Islamic Azad University, Mashhad, Iran;2. Department of Geology, Shahid Beheshti University, Tehran, Iran;3. Earth Science Department, College of Science, Sultan Qaboos University, Muscat, Oman;4. Institut für Geowissenschaften, Friedrich-Schiller-Universität, Jena, Germany |
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| Abstract: | Brittle faulting-related shear heating is important in petroleum geosciences, tectonics and seismic studies. Temporal variation of shear heat related temperature rise for rotational and roto-translational faults are investigated in this work. For planar fault planes, devoid of gouge and any secondary faulting, temperature rise is proportional to the coefficient of friction, and rate of (angular) slip. Tectonically realistic physical parameters for rotational faults, especially prolonged faulting, can significantly increase temperature by shear heating at shallow crustal depth, capable of thermal maturity of hydrocarbons. |
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| Keywords: | Brittle shear Frictional heating Rotational fault Structural geology Tribology |
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