Himalaya: Geological Aspects, Volume 2Contributed articles. |
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Page 199
The quartz grains which are generally elongated show ribbon texture , undulose
extinction sutured grain boundaries and deformational lamellae . Sericite and
chlorite occur in oriented minute flakes . Zircon occurs in brown and
subbrounded ...
The quartz grains which are generally elongated show ribbon texture , undulose
extinction sutured grain boundaries and deformational lamellae . Sericite and
chlorite occur in oriented minute flakes . Zircon occurs in brown and
subbrounded ...
Page 200
Goatee Textures It results where the material is plucked from the ends of the
competent granules and incorporated into the strain shadow . In the latter case ,
the intergranular cohesion was probably high and the granules were formed
under ...
Goatee Textures It results where the material is plucked from the ends of the
competent granules and incorporated into the strain shadow . In the latter case ,
the intergranular cohesion was probably high and the granules were formed
under ...
Page 201
Micro boudinage or Pull apart texture It occurs by separation perpendicular to
extension cracks or oblique to shear fractures and the gaps are filled with
precipitated material derived from boudinage granule or other sources . The
significant ...
Micro boudinage or Pull apart texture It occurs by separation perpendicular to
extension cracks or oblique to shear fractures and the gaps are filled with
precipitated material derived from boudinage granule or other sources . The
significant ...
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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