Himalaya: Geological Aspects, Volume 2P. S. Saklani Contributed articles. |
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Page 44
... ( Plate.I , Fig . B ) . 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 ...
... ( Plate.I , Fig . B ) . 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 ...
Page 291
... plate were also metamorphosed shortly after the collision of the Indian plate with the Asian plate . Sinha and Bagdasarian ( 1977 ) have suggested that the oldest metamorphic event in the Himalaya occurred at 414 Ma . Varadrajan ( 1978 ) ...
... plate were also metamorphosed shortly after the collision of the Indian plate with the Asian plate . Sinha and Bagdasarian ( 1977 ) have suggested that the oldest metamorphic event in the Himalaya occurred at 414 Ma . Varadrajan ( 1978 ) ...
Page 352
... ( Plate I , Photo 1 ) . In slightly more deformed rocks the elongation of the quartz grains and the crenulation of margins show the possible development of Boehm lamellae ( Plate I , Photo 2 ) . Still nearer to the dislocation planes the ...
... ( Plate I , Photo 1 ) . In slightly more deformed rocks the elongation of the quartz grains and the crenulation of margins show the possible development of Boehm lamellae ( Plate I , Photo 2 ) . Still nearer to the dislocation planes the ...
Contents
The Central Himalayan Gneisses in Northern Pakistan | 1 |
LowPressure Metamorphism in a Regionally Metamorphic | 49 |
The Buniyar Granite of the Kashmir Himalaya | 61 |
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Acharyya Almora amphibolite andalusite anticline assemblages augen gneiss axes axial plane axis Barun bedding belt Berinag Bhutan biotite Buxa Central Crystallines Chail Chail Nappes chlorite Chomolongma crenulation cleavage developed diagram fabric facies faults feldspar folds foliation Formation fractures Gansser Garhwal Garhwal Himalaya garnet Geol Geology girdle gneiss Gondwana grade grains granite gneiss Group Himalaya India isograd Jour Jutogh Khola Khumbu Kumaun kyanite Lesser Himalaya limestone lithological lower Main Central Thrust Makalu Massif mesoscopic metasediments mica schist micaceous migmatites mineral lineation muscovite mylonitic nappe Nepal North Almora Thrust occur orientation parallel pelitic Phaplu phase of deformation phyllites plagioclase porphyroblasts Pradesh Precambrian quartz quartzite reaction regional metamorphism rocks S₂ Saklani schist schistosity sedimentary sediments sequence sericite shear sillimanite Simla Siwalik Siyom slates staurolite stratigraphic strike-slip structural Surv syncline tectonic temperature Tethyan texture Thimpu thrust sheet thrust zone tourmaline trend upper Vaikrita Valdiya valley