Himalaya: Geological Aspects, Volume 2Contributed articles. |
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Page 44
Andalusite is replaced by prograde pseudomorphic muscovite and the relict of
the former survives in the shimmer white mica ( Plate.1 , Fig.C ) . Many garnets
from this and andalusite - kyanite isograd appear cloudy which may be due to ...
Andalusite is replaced by prograde pseudomorphic muscovite and the relict of
the former survives in the shimmer white mica ( Plate.1 , Fig.C ) . Many garnets
from this and andalusite - kyanite isograd appear cloudy which may be due to ...
Page 80
Quartz , muscovite , biotite , and chlorite are the main constituents whereas
feldspars occur in subordinate amount . The tourmaline , sphene , apatite , zicron
and opaques are the accessories . The content of biotite and muscovite in
different ...
Quartz , muscovite , biotite , and chlorite are the main constituents whereas
feldspars occur in subordinate amount . The tourmaline , sphene , apatite , zicron
and opaques are the accessories . The content of biotite and muscovite in
different ...
Page 89
Beginning with the basal lithologies of the Chaori Formation , the constituents of
the Patangan Member , the pelitic schists and mylonite gneisses show the
following mineral assamblages of the amphibolite facies : ( i ) Quartz - muscovite
...
Beginning with the basal lithologies of the Chaori Formation , the constituents of
the Patangan Member , the pelitic schists and mylonite gneisses show the
following mineral assamblages of the amphibolite facies : ( i ) Quartz - muscovite
...
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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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Common terms and phrases
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