Himalaya: Geological Aspects, Volume 2Contributed articles. |
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Page 137
Migmatites : The major northern part of the mapped area consists of migmatites
and gneisses which northwards and eastwards grade into Jaspa and Spiti
granites of batholithic dimensions . The different types of migmatites are streaky ...
Migmatites : The major northern part of the mapped area consists of migmatites
and gneisses which northwards and eastwards grade into Jaspa and Spiti
granites of batholithic dimensions . The different types of migmatites are streaky ...
Page 147
Hoschek ( 1967 ) also concluded similar results experimentally near 640 ° C and
Evans ( 1965 ) at 4 K - bars at 665 ° C . This sillimanite zone is further
characterized by the quartzofeldspathic veins which grade into migmatites . The
following ...
Hoschek ( 1967 ) also concluded similar results experimentally near 640 ° C and
Evans ( 1965 ) at 4 K - bars at 665 ° C . This sillimanite zone is further
characterized by the quartzofeldspathic veins which grade into migmatites . The
following ...
Page 607
The migmatites and gneisses ( in upper Tongsa Chu and Chamka Chu ) widen
up in Tashiyang Chi and Tashigong areas . ... These mainly consist of migmatite ,
psammatic gneiss , garnetiferous mica schist , and lime - silicate rocks .
The migmatites and gneisses ( in upper Tongsa Chu and Chamka Chu ) widen
up in Tashiyang Chi and Tashigong areas . ... These mainly consist of migmatite ,
psammatic gneiss , garnetiferous mica schist , and lime - silicate rocks .
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Contents
The Central Himalayan Gneisses in Northern Pakistan | 1 |
LowPressure Metamorphism in a Regionally Metamorphic | 39 |
The Buniyar Granite of the Kashmir Himalaya | 61 |
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Almora angle appears assemblages associated augen axes axial axis bands base bedding belt biotite boundary Chail chlorite cleavage composition consists contain continuous crenulation crystalline deformation developed diagram direction District eastern exposed fabric facies faults folds foliation Formation formed fractures Garhwal garnet Geol Geology girdle gneiss grade grains granite Group higher Himalaya inclusions increase India indicate isograd Jour Jutogh Krol Kumaun kyanite Lesser Himalaya limestone lineation lower Main Central major metamorphism mica migmatites mineral movement muscovite mylonitic nappe Nepal observed occur orientation parallel pelitic phase phyllites plagioclase plane porphyroblasts present pressure quartz quartzite range reaction region relief represented result rocks Saklani schist schistosity sequence sericite sets shear sheet sillimanite similar Siwalik slates southern staurolite strain stratigraphic structural suggests surfaces Table tectonic temperature texture thickness thrust trend units upper valley West zone