Himalaya: Geological Aspects, Volume 2P. S. Saklani Contributed articles. |
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Page 138
... stage I , sodic metasomatism took place , during which oligoclase replaced mica and quartz of the host rock . This episode appears to be related with third phase of metamorphic history of the area and connected with the development of ...
... stage I , sodic metasomatism took place , during which oligoclase replaced mica and quartz of the host rock . This episode appears to be related with third phase of metamorphic history of the area and connected with the development of ...
Page 409
... stages of nappe thrusting have been recognized in the East Nepal Himalaya : earlier stage of Middle Tertiary and later stage of Quaternary age . During these two stages the superposition of lithotectonic units with their relief entities ...
... stages of nappe thrusting have been recognized in the East Nepal Himalaya : earlier stage of Middle Tertiary and later stage of Quaternary age . During these two stages the superposition of lithotectonic units with their relief entities ...
Page 520
... stage of the structural evolution . The folds of the D , phase are represented by flexural bends of bedding and foliation planes and minor folds with steep axes . They occur in the neighbourhood of the strike - slip faults and are ...
... stage of the structural evolution . The folds of the D , phase are represented by flexural bends of bedding and foliation planes and minor folds with steep axes . They occur in the neighbourhood of the strike - slip faults and are ...
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