Shear heating by translational brittle reverse faulting along a single, sharp and straight fault plane
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- 作者：SOUMYAJIT MUKHERJEE
- 关键词：Shear heat ; brittle reverse fault ; frictional heat
- 刊名：Journal of Earth System Science
- 出版年：2017
- 出版时间：February 2017
- 年：2017
- 卷：126
- 期：1
- 全文大小：
- 刊物类别：Earth and Environmental Science
- 刊物主题：Earth Sciences, general; Space Sciences (including Extraterrestrial Physics, Space Exploration and Astronautics);
- 出版者：Springer India
- ISSN：0973-774X
- 卷排序：126
文摘
Shear heating by reverse faulting on a sharp straight fault plane is modelled. Increase in temperature (Ti) of faulted hangingwall and footwall blocks by frictional/shear heating for planar rough reverse faults is proportional to the coefficient of friction (μ), density and thickness of the hangingwall block (ρ). Ti increases as movement progresses with time. Thermal conductivity (Ki) and thermal diffusivity (\(k_{\mathrm {i}}^{\prime }\)) of faulted blocks govern Ti but they do not bear simple relation. Ti is significant only near the fault plane. If the lithology is dry and faulting brings adjacent hangingwall and footwall blocks of the same lithology in contact, those blocks undergo the same rate of increase in shear heating per unit area per unit time.