Journal of Himalayan Geology, Volume 5Wadia Institute of Himalayan Geology, 1994 - Geology |
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Page 81
Since this alternation has caused the development of fractures in the enclosing k
- feldspar grains , the alteration took place after the ... It is noteworthy that cracks
or fractures have not reached the border and the grain is not broken into pieces .
Since this alternation has caused the development of fractures in the enclosing k
- feldspar grains , the alteration took place after the ... It is noteworthy that cracks
or fractures have not reached the border and the grain is not broken into pieces .
Page 128
In the vicinity of thrust zone ( MCT ) at Jakhri and Nogli , the quartzite shows
reduction in grain size and pronounced ... The original quartz grains have lost
their original shape and converted into a mosaic of recrystallized grains .
However ...
In the vicinity of thrust zone ( MCT ) at Jakhri and Nogli , the quartzite shows
reduction in grain size and pronounced ... The original quartz grains have lost
their original shape and converted into a mosaic of recrystallized grains .
However ...
Page 130
( a ) Photomicrograph showing fine grained recrystallised quartz grains
surrounding the relict quartz with sutured boundary . ( b ) Photomicrograph
showing development of subgrains in the relict quartz surrounded by
recrystallised grains .
( a ) Photomicrograph showing fine grained recrystallised quartz grains
surrounding the relict quartz with sutured boundary . ( b ) Photomicrograph
showing development of subgrains in the relict quartz surrounded by
recrystallised grains .
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Contents
Petrogenesis of the Granitoid Rocks Chor Region Himachal Himalaya | 1 |
N S VIRDI Basement Structures and their possible relation to Sedimentation and Tectonics in | 9 |
N S VIRDI Basement Structures and their possible relation to Sedimentation and Tectonics in | 11 |
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Common terms and phrases
Agglomeratic Slate analysis associated band base basin bedded belt chert components composition comprising conglomerate contain covered deformation Dehra deposits developed direction distribution district earthquake et al exposed facies fault fault plane feldspar field folds foliation followed Formation fossils Garhwal Geol gneiss grained granites granitoids grey Group higher Himalaya Himalayan Geology India indicates inversion Jour Kashmir Ladakh Lamayuru Late Lesser limestone lineation locality locations lower major Member metamorphic minerals observed occur Panjal pebbles phase phyllites plagioclase plane Pleistocene porphyries present quartz quartzite range region reported represented river road rocks samples sandstone schist sector sedimentary sediments sequence shale Sharma shown Slate slide slip slope soil strain stratigraphy strike structures suggest Surv Table tectonic thick thrust trace unit upper valley VALUES Volcanics Wadia weathered Zanskar zone