Himalaya: Geological Aspects, Volume 2P. S. Saklani Contributed articles. |
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Page 286
... gneisses . Gneisses Three varieties of gneisses namely , coarse - grained porphyroblastic augen gneiss , medium- to coarse - grained foliated gneiss and mylonitic gneiss have been observed in the Gairsain area . Augen gneiss is exposed ...
... gneisses . Gneisses Three varieties of gneisses namely , coarse - grained porphyroblastic augen gneiss , medium- to coarse - grained foliated gneiss and mylonitic gneiss have been observed in the Gairsain area . Augen gneiss is exposed ...
Page 462
... gneiss is intercalated in various lithostratigraphic horizons . The thickness of this gneiss , at the top of the Himalayan gneiss ( Fig . 9 ) , is recorded upto 1000 m . Its top most unit is named as the Panch Pokhari calc - silicate gneiss ...
... gneiss is intercalated in various lithostratigraphic horizons . The thickness of this gneiss , at the top of the Himalayan gneiss ( Fig . 9 ) , is recorded upto 1000 m . Its top most unit is named as the Panch Pokhari calc - silicate gneiss ...
Page 633
... gneiss and mica schist of different grades . The assemblage was first recorded and differentiated from the Sikkim gneiss and migmatites in general , from the Chungtang area , N. Sikkim . Part of it was subsequently differentiated as the ...
... gneiss and mica schist of different grades . The assemblage was first recorded and differentiated from the Sikkim gneiss and migmatites in general , from the Chungtang area , N. Sikkim . Part of it was subsequently differentiated as the ...
Contents
The Central Himalayan Gneisses in Northern Pakistan | 1 |
LowPressure Metamorphism in a Regionally Metamorphic | 49 |
The Aureole Zone and Metasediments of Dhauladhar Chaori Khas H P | 75 |
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Almora amphibolite andalusite anticline assemblages augen gneiss axes axial plane axis Barun bedding belt Berinag Bhutan biotite Buxa Central Crystallines Chail Chail Nappes chlorite Chomolongma crenulation cleavage Darjeeling developed diagram eastern fabric facies faults feldspar folds foliation Formation fractures Fuchs Gansser Garhwal Garhwal Himalaya garnet Geol Geology girdle gneiss Gondwana grade grains granite gneiss Group Himalaya India isograd Jour Jutogh Khola Khumbu Kumaun kyanite Lesser Himalaya limestone lithological lower Main Central Thrust Makalu Massif mesoscopic metasediments mica schist micaceous migmatites mineral lineation muscovite mylonitic nappe Nepal occur orientation parallel pelitic Phaplu phase of deformation phyllites plagioclase porphyroblasts Pradesh Precambrian quartz quartzite reaction regional metamorphism rocks S₂ Saklani schist schistosity sedimentary sediments sequence sericite shear sillimanite Simla Siwalik Siyom slates staurolite stratigraphic strike-slip structural Surv syncline tectonic temperature Tethyan texture Thimpu thrust sheet thrust zone tourmaline trend upper Vaikrita Valdiya valley