deriver 发表于 2025-3-23 11:04:29
Normal Faulttterns of planar and listric (both positive and negative) faults are described. Models of lithospheric extension are highlighted. Finally, identification of a rift phase by geochemical methods is discussed.SEMI 发表于 2025-3-23 17:44:19
Stress and Strainntation is described. Homogeneous and inhomogeneous strains are illustrated. Flinn diagram is described to represent shapes of three-dimensional strain ellipsoids on a two dimensional diagram. Different methods for determination of finite strain are based on certain assumptions that should be kept i我不重要 发表于 2025-3-23 19:37:02
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Normal Faultan have a variety of dips, geometry and displacements are discussed. Relay ramps and bookshelf gliding are illustrated. Co-existence of normal and (pseudo) thrust faults are shown. Formation of half grabens, angular unconformities and associated structures are shown diagrammatically. Displacement paAntagonism 发表于 2025-3-24 12:07:52
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Global Positioning Systemto determine the plate movements. The results are used for determining the strain build-up in an area and seismic predictions. However, the inferences are based upon surface observations whereas geological structures require study in three-dimensions. Velocity vectors are determined using a few fixeCOLON 发表于 2025-3-24 19:42:04
The Himalayaa, Australia, and India around 140 Ma. The Indian plate moved towards north and the Indo-Eurasian collision took place somewhere between ~65 and ~43 Ma. The Himalaya started rising and led to monsoonal rains in the Indian region. Now the mountain has a vast reserve of fresh water in form of ice. ItMOT 发表于 2025-3-25 01:04:20
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