Himalaya: Geological Aspects, Volume 2Contributed articles. |
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Page 49
Biotite The Ti0 , -content of biotite ( coexisting with ilmenite ) from garnet -
staurolite to kyanitestaurolite zone shows a gradual increase suggesting its
relation with the grade of metamorphism as described by ( Kwak , 1968 : Fleming
, 1973 ...
Biotite The Ti0 , -content of biotite ( coexisting with ilmenite ) from garnet -
staurolite to kyanitestaurolite zone shows a gradual increase suggesting its
relation with the grade of metamorphism as described by ( Kwak , 1968 : Fleming
, 1973 ...
Page 142
Staurolite and Kyanite Zones Near the axis of the Rohtang anticline the
garnetiferous mica schist passes into kyanitestaurolite schist . The thickness of
this zone is variable . Common mineral assemblages are : 6. Quartz - plagioclase
...
Staurolite and Kyanite Zones Near the axis of the Rohtang anticline the
garnetiferous mica schist passes into kyanitestaurolite schist . The thickness of
this zone is variable . Common mineral assemblages are : 6. Quartz - plagioclase
...
Page 147
The reaction which possibly took place in this zone is : Chlorite + quartz = > -
Garnet + H , O . Staurolite and Kyanite Zones Near the axis of the Rohtang
anticline the garnetiferous mica schist passes into kyanitestaurolite schist . The
thickness ...
The reaction which possibly took place in this zone is : Chlorite + quartz = > -
Garnet + H , O . Staurolite and Kyanite Zones Near the axis of the Rohtang
anticline the garnetiferous mica schist passes into kyanitestaurolite schist . The
thickness ...
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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