Main Karakoram Thrust at Khalsar: Nubra-Shyok Confluence
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Copyright 2005-2010 by Roberto Weinberg. All rights reserved. Unlimited permission to copy or use is hereby granted for non-profit driven enterprise subject to inclusion of this copyright notice and my World Wide Web URL: users.monash.edu.au/~weinberg. We would very much appreciate an email stating how this material will be used. Thanks, RW. |
Nubra-Shyok Confluence: Merging the Karakoram Shear Zone with the Main Karakoram Thrust
Main Karakoram Thrust: in the Khalsar gorge there is a well-exposed thrust plane that is part of the Main Karakoram Thrust, where greenschist facies schists are thrusted upon well-preserved, unmetamorphosed rocks of the Khardung volcanics (see Weinberg, et al., 2000, J. Geol. Soc. London, Special Publ. 170, 253-275). The thrust trends approximately 300/60N.
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Figure 1A: Muscovite schist thrusted onto red Khardung volcanics, south of the Khalsar Loop, Khalsar valley, looking east. Thrust plane attitude ~ 300/60N. |