Journal of Himalayan Geology, Volume 5Wadia Institute of Himalayan Geology, 1994 - Geology |
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Page 107
The quartz - feldspar porphyries are generally greyish green and have
idiomorphic to subidimorphic phenocrysts of feldspars and quartz which are
embedded in a fine - grained greyish green groundmass . These porphyries are
exposed in ...
The quartz - feldspar porphyries are generally greyish green and have
idiomorphic to subidimorphic phenocrysts of feldspars and quartz which are
embedded in a fine - grained greyish green groundmass . These porphyries are
exposed in ...
Page 108
A NON FOLIATED PORPHYRY A FOLIATED PORPHYRY • MEDIUM TO
COARSE - GRAINED GRANITE O FINE - GRAINED GRANITE An 8ta a b
GRANITE 6 K20 wt % TONALITE GRANODIORITE ADAMELLITE ADAMELLITE .
A NON FOLIATED PORPHYRY A FOLIATED PORPHYRY • MEDIUM TO
COARSE - GRAINED GRANITE O FINE - GRAINED GRANITE An 8ta a b
GRANITE 6 K20 wt % TONALITE GRANODIORITE ADAMELLITE ADAMELLITE .
Page 128
Petrography The Rampur Quartzite is medium to fine grained , saccharoidal in
texture and consists of rounded to subrounded ... The original quartz grains have
lost their original shape and converted into a mosaic of recrystallized grains .
Petrography The Rampur Quartzite is medium to fine grained , saccharoidal in
texture and consists of rounded to subrounded ... The original quartz grains have
lost their original shape and converted into a mosaic of recrystallized 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