Mesoscopic ductile shear zones from the Main Central Thrust zone of Bhagirathi valley, Garhwal Higher Himalaya

Current Science

Volumn 88, Issue 5, 2005, Pages 815-821

  Tripathy, Nihar R ^a   Srivastava, H B ^a  

^a BANARAS HINDU UNIVERSITY   (India)

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EID: 18244385264     PISSN: 00113891     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (22)

1. Choukroune, P. and Gapais, D., Strain pattern in the Aar granite (Central Alps): Orthogneiss developed by bulk inhomogeneous flattening. J. Struct. Geol., 1983, 5, 411-418.
2. Ramsay, J. G. and Allison, I., Structural analysis of shear zones in an alpinised Hercynian granite, Maggia Nappen, Pennine Zone, Central Alps. Schweiz. Miner. Petrogr. Mitt, 1979, 59, 251-279.
3. Ramsay, J. G. and Graham, R. H., Strain variations in shear belts. Can. J. Earth Sci., 1970, 7, 786-813.
4. Hara, I., Takeda, K. and Kimura, T., Preferred lattice orientation of quartz in shear deformation. Hiroshima Univ. J. Sci. C, 1973, 7, 1-10.
5. Coward, M. P., Flat lying structure within the Lewisian basement gneiss complex of NW Scotland. Proc. Geol. Assoc., 1974, 85, 459-472.
6. Srivastava, H. B., Hudleston, P. J. and Early, D., Strain and possible volume loss in a high-grade ductile shear zone. J. Struct. Geol., 1995, 17, 1217-1231.
7. Hudlestone, P. J., Progressive deformation and development of fabric across zone of shear in glacial ice. In Energetics of Geological Processes (eds Saxena, S. and Bhattacharji, S.), Springer Verlag, New York, 1977, pp. 121-187.
8. Simpson, C., Determination of movement sense in mylonites. J. Geol. Educ., 1986, 34, 246-261.
9. Srivastava, H. B., Sahai Atul and Lal, S. N., Strain and crystallographic fabrics in mesoscopic ductile shear zones of Garhwal Himalaya. Gondwana Res., 2000, 3, 395-404.
10. Ramsay, J. G., Shear zone geometry: A review. J. Struct. Geol., 1980, 2, 83-93.
11. Metcalfe, R. P., Pressure, temperature and time constraints on metamorphism across the Main Central Thrust zone and High Himalayan Slab in the Garhwal Himalaya. In Himalayan Tectonics (eds Trelor, P. G. and Searle, M. P.), Geol. Soc. Spl. Publ., 1993, vol. 74, pp. 485-509.
12. Valdiya, K. S., The two intracrustal boundary thrusts of Himalaya. Tectonophysics, 1980, 323, 323-348.
13. Heim, A. and Gansser, A., Central Himalaya: Geological observation of the Swiss Expedition in 1936. Mem. Soc. Helv. Sci. Nat., 1939, 73, 1-245.
14. Jain, A. K., Stratigraphy and tectonics of Lesser Himalayan region of Uttarkashi Garhwal Himalaya. Himalayan Geol., 1971, 1, 25-57.
15. Singh, K. and Thakur, V. C., Microstructure and strain variation across the footwall of the Main Central Thrust Zone, Garhwal Himalaya. J. Asian Earth Sci., 2001 19, 17-29.
16. Berthe, D., Choukroune, P. and Jegouzo, P., Orthogneiss mylonite and coaxial deformation of granites: The example of the South American shear zone. J. Struct. Geol., 1979, 1, 31-42.
17. Mukhopadhyay, D. K. and Haimanot, B. W., Geometrical analysis and significance of mesoscopic shear zones in the Precambrian gneisses around Kolar Schist belt, South India. J. Struct. Geol., 1989, 11, 569-581.
18. Bouchez, J. L. and Pecher, A., The Himalayan Main Central Thrust Pile and its quartz rich tectonites in Central Nepal. Tectonophysics, 1981, 78, 23-50.
19. Price, G P., Preferred orientations in quartzites. In Preferred Orientation in Deformed Metals and Rocks: An Introduction to Modern Texture Analysis (ed. Wenk, H. R.), Academic Press, New York, 1985, pp. 385-406.
20. Ramsay, J. G. and Huber, M. I., The Techniques of Modern Structural Geology, Folds and Fractures. Academic Press, New York, 1987, vol. 2.
21. Park, R. G., Shear zone deformation and bulk strain in granite-greenstone terrain of the Western Superior Province, Canada. Precambrian. Res., 1981, 14, 31-47.
22. Anderson, E. M., The Dynamics of Faulting, Oliver and Boyd Edinburgh, 1951.