By Soumyajit Mukherjee
Study of microstructures is an critical component to figuring out structural geology of any terrain. a few ‘new’ microscopic constructions comparable to ‘flanking microstructures’, trapezoid-shaped mineral grains, reversal of ductile shear feel, micro-duplexes, V-pull aparts, and new minerals nucleating inside of host minerals have lately been defined in person manuscripts. although, for the sake of brevity, microstructural papers can't exhibit all attainable edition of their morphology. The proposed ebook goals to give those constructions with appealing color images. every one photomicrograph may have a complete caption. The e-book additionally offers grain boundary migration, boudins, indicators of metamorphic retrogression, and the way popular shear experience symptoms (S-C materials, mineral fish etc.) fluctuate in morphology in serial-sections. the objective viewers is for graduate and postgraduate geosciences scholars and researchers of structural geology.
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Additional resources for Deformation Microstructures in Rocks
Int J Earth Sci Mukherjee S (in press-2) Channel flow extrusion model to constrain dynamic viscosity and Prandtl number of the Higher Himalayan Shear Zone. Int J Earth Sci Mukherjee S, Biswas R (submitted) Kinematics of horizontal simple shear zones of concentric arcs (Taylor-Couette flow) with incompressible Newtonian rheology. Int J Earth Sci Mukherjee S, Koyi HA (2010) Higher Himalayan Shear Zone, Zanskar Indian Himalaya— microstructural studies and extrusion mechanism by a combination of simple shear and channel flow.
Width of view 4 mm 44 1 Mineral Fish and Ductile Shear Senses Fig. 85 Two parallelogram-shaped mica fish. e. left one: topto-left sense; right one: top-to-right sense)? Cross-polarized light. Location Tso Morari dome (India). Width of view 4 mm References de Sigoyer J, Guillot G, Dick P (2004) Exhumation of the ultrahighpressure Tso Morari unit in eastern Ladakh (NW Himalaya): a case study. Tectonics 23:TC3003 Ghosh SK (1993) Structural geology fundamental and modern development, Pergamon, Oxford Goscombe B, Gray D, Hand M (2006) Crustal architecture of the Himalayan metamorphic front in eastern Himalaya.
51 A parallelogram/sigmoid shaped garnet fish with sigmoid inclusion pattern. Top-toleft shear. Isolated mica grains right to the garnet grain distinctly show the S-fabric and the same shear sense. Plane polarized light. Location Higher Himalaya, at Karcham (Himachal Pradesh, India). 5 mm Fig. ) inclusion pattern. Top-to-left shear. Reproduced from Fig. 10d of Mukherjee (2010a). Cross-polarized light. Location Higher Himalaya, at Karcham (Himachal Pradesh, India). 5 mm 28 1 Mineral Fish and Ductile Shear Senses Fig.
Deformation Microstructures in Rocks by Soumyajit Mukherjee