![]() ![]() White S (1980) Large strain deformation: report on a tectonic studies group discussion meeting held at Imperial College, London. Ramsay JG, Huber MI (1987) The techniques of modern structural geology, vol. Ramsay JG, Huber MI (1983) The techniques of modern structural geology, vol. Ramsay JG (1980) Shear zone geometry: a review. Bishen Singh Mahendra Pal Singh, Dehra Dun 378 pp Raiverman V (2002) Foreland sedimentation in himalayan tectonic regime: a relook at the orogenic process. Platt JP, Vissers RLM (1980) Extensional structures in anisotropic rocks. Laubscher HP (1972) Some overall aspects of Jura dynamics. ![]() ![]() Jaeger JC, Cook NGW (1969) Fundamentals of rock mechanics. Hobbs BE, Means WD, Williams PF (1976) An outline of structural geology. Bernhard Tauchnitz Verlag Gmbh, Stuttgart 1028 pp Cambridge University Press, Cambridge 463 ppįreund R (1974) Kinematics of transform and transcurrent faults. J Struct Geol 5:383–399įossen H (2010) Structural geology. The areas between the ends of adjacent segments are known as stepovers. Oliver and Boyd, Edinburgh 206 ppĬoward MP, Potts GJ (1983) Complex strain patterns developed at the frontal and lateral tips to shear zones and thrust zones. When strike-slip fault zones develop, they typically form as several separate fault segments that are offset from each other. The hanging wall does not lie above or below the footwall. This process is experimental and the keywords may be updated as the learning algorithm improves.Īnderson EM (1951) The dynamics of faulting. A strike-slip fault is formed by shear stress, which occurs whenever two blocks of rock slide past one another. ![]() These keywords were added by machine and not by the authors. Development of oblique fault ramps and significant criteria to distinguish between strike slip faults and oblique fault ramps are described. Relationship between folds and strike slip faults is discussed using natural example of the Jura mountains. Positive and negative flower structures are illustrated. Transpression and transtension zones occurring at curvature of strike slip faults are described. During their initial stage of growth, strike-slip faults consist of en echelon arrays of fault segments and/or folds, in map view (e.g., Tchalenko 1970 Wilcox et al. For a right-lateral strike-slip fault, a right bend or step is releasing likewise, for a left-lateral fault, a left bend or. A restraining bend or step results compressional stresses, often causing uplift in that region. As we discussed in Chapter 11, an earthquake involves the sliding of one body of rock past another. A releasing bend or step produces a component of extension, leading to formation of a pull-apart basin. Variation of displacement along the fault length and how this results in different types of fault terminations under different rheological conditions are discussed. SE Faulting A fault is boundary between two bodies of rock along which there has been relative motion (Figure 12.4d). Conjugate strike slip faults are discussed with special reference to necessity of rotation of faults with progressive deformation. Hungry for some science, but you don’t have time for a full-course research plate? Then check out USGS Science Snippets, our snack-sized science series that focuses on the fun, weird, and fascinating stories of USGS science.Stress orientation responsible for formation of strike slip fault is described along with rheological controls on development of the fault. However, conventional seismic methods are hardly able to distinguish the fractured reservoir and its connectivity in the ultra-depth (>7000 m) carbonate fault zones. USGS studies strike-slip faults as part of our Earthquake Hazards Program, particularly the San Andreas Fault in California. A giant strike-slip fault-controlled Fuman Oilfield has been found in the Ordovician fractured carbonates of the Tarim Basin. Understanding how various faults behave helps us understand what kinds of seismic hazard exist. The Great Glen follows a line of rocks weakened by fault that moved between 400 and 300 million years ago. Use/Significance in the Earth Science Community:įaults behave in different ways: some slip down, other thrust up, some slide side-to-side, and each of these produce different magnitudes of earthquakes. Loch Ness is the largest and most famous of the lakes. It isn’t a new dance-move, but if it were, it’d be called the tectonic slide, because a strike-slip fault is where the two rock formations move mostly horizontally. By Ikluft - Own work, GFDL, (Public domain.) Aerial photo of the San Andreas Fault in the Carrizo Plain. ![]()
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