Himalaya: Geological Aspects, Volume 2P. S. Saklani Contributed articles. |
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Page 458
... occur in the feldspar porphyroclasts and show various stages of recrystallization . The phyllonitic variety occurs along the Phaplu thrust zone in the southernmost part . It is schistose and contains eye - shaped quartz and feldspar ...
... occur in the feldspar porphyroclasts and show various stages of recrystallization . The phyllonitic variety occurs along the Phaplu thrust zone in the southernmost part . It is schistose and contains eye - shaped quartz and feldspar ...
Page 541
... occurs as coarse porphyroblasts in the gneisses and contains trails of chlorite defining Si which is parallel to the Se ( = S , ) . The S , foliation deflects around the porphyroblasts.Corroded crystals of plagioclase & quartz occur as ...
... occurs as coarse porphyroblasts in the gneisses and contains trails of chlorite defining Si which is parallel to the Se ( = S , ) . The S , foliation deflects around the porphyroblasts.Corroded crystals of plagioclase & quartz occur as ...
Page 548
... occur only at a constant temperature . The spread of the six - phase assemblage over a limited distance from the isograd may be attributed to the Mn - content of garnet due to which the reaction ( 2 ) becomes a continuous ( Fe - Mg - Mn ) ...
... occur only at a constant temperature . The spread of the six - phase assemblage over a limited distance from the isograd may be attributed to the Mn - content of garnet due to which the reaction ( 2 ) becomes a continuous ( Fe - Mg - Mn ) ...
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