Himalaya: Geological Aspects, Volume 2P. S. Saklani Contributed articles. |
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Page 133
... migmatites and granites . The regional metamorphism was of dynamothermal type in which the temperature played a ... Migmatites Metapelites Metasemipelites and Metapsammites Foliated Gneiss Migmatites Kyanite - staurolite schist ...
... migmatites and granites . The regional metamorphism was of dynamothermal type in which the temperature played a ... Migmatites Metapelites Metasemipelites and Metapsammites Foliated Gneiss Migmatites Kyanite - staurolite schist ...
Page 137
... migmatites and gneisses which northwards and eastwards grade into Jaspa and Spiti granites of batholithic dimensions . The different types of migmatites are streaky migmatites , banded migmatites , augen migmatites and foliated gneisses ...
... migmatites and gneisses which northwards and eastwards grade into Jaspa and Spiti granites of batholithic dimensions . The different types of migmatites are streaky migmatites , banded migmatites , augen migmatites and foliated gneisses ...
Page 145
... migmatites . It is assumed ( Fig . 7 ) that the migmatites have originated by metasomatic and metamorphic differentiation implying that the temperature cannot be greater than that permitted by the intersection of curves 2 and 4 ( i.e. ...
... migmatites . It is assumed ( Fig . 7 ) that the migmatites have originated by metasomatic and metamorphic differentiation implying that the temperature cannot be greater than that permitted by the intersection of curves 2 and 4 ( i.e. ...
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