Himalaya: Geological Aspects, Volume 2P. S. Saklani Contributed articles. |
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Page 604
... ( Gondwana ) and dolomite ( Buxa ? ) Calcareous slates and marly limestone Quartzitic sandstones , feldspathic , medium to coarse ( sometimes gritty ) with coal beds and carbonaceous and micaceous siltstones and slates . The quartzitic ...
... ( Gondwana ) and dolomite ( Buxa ? ) Calcareous slates and marly limestone Quartzitic sandstones , feldspathic , medium to coarse ( sometimes gritty ) with coal beds and carbonaceous and micaceous siltstones and slates . The quartzitic ...
Page 626
... Gondwana Group , ( b ) Daling - Buxa sequence , Abor Volcanics , Tidding Group and ( c ) high grade parametamorphites , gneisses and granite bearing formations . A. Gondwana Group : The youngest , fossiliferous and well - dated Gondwana ...
... Gondwana Group , ( b ) Daling - Buxa sequence , Abor Volcanics , Tidding Group and ( c ) high grade parametamorphites , gneisses and granite bearing formations . A. Gondwana Group : The youngest , fossiliferous and well - dated Gondwana ...
Page 635
... Gondwana formations that preserve sedimentary structures ( Acharyya , 1968 ) . These thrusts become distinct and easily recognizable , when they result in tectonic windows and semi windows exposing lower nappes of Gondwana below the ...
... Gondwana formations that preserve sedimentary structures ( Acharyya , 1968 ) . These thrusts become distinct and easily recognizable , when they result in tectonic windows and semi windows exposing lower nappes of Gondwana below 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