Himalaya: Geological Aspects, Volume 2Contributed articles. |
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Page 43
These trails are either confined within the garnet or can be traced in some cases
across the edge of the porphyroblast into the ... The porphyroblasts presumably
have overgrown an earlier fine grained schistosity which may have been largely
...
These trails are either confined within the garnet or can be traced in some cases
across the edge of the porphyroblast into the ... The porphyroblasts presumably
have overgrown an earlier fine grained schistosity which may have been largely
...
Page 329
Metamorphic Textures The study of si and se fabric analysis of garnet
porphyroblasts under the microscope has been carried out to determine the order
of crystallisation of critical minerals and their relation with different phases of
deformation .
Metamorphic Textures The study of si and se fabric analysis of garnet
porphyroblasts under the microscope has been carried out to determine the order
of crystallisation of critical minerals and their relation with different phases of
deformation .
Page 330
( ii ) Curved Si - fabric within garnet porphyroblasts sub - parallel to the pattern of
Sefabric is indicated by polygonal arch of mica flakes , but foliation ( S , )
wrapping round the porphyroblasts at an angle with Se . Garnet porphyroblasts
occur as ...
( ii ) Curved Si - fabric within garnet porphyroblasts sub - parallel to the pattern of
Sefabric is indicated by polygonal arch of mica flakes , but foliation ( S , )
wrapping round the porphyroblasts at an angle with Se . Garnet porphyroblasts
occur as ...
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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