Himalaya: Geological Aspects, Volume 2P. S. Saklani Contributed articles. |
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Page 210
... characterized by decreasing Mn content from its core to rim . This zoning is attributed to introduction or ionic ... characterized by normal zoning ( Fig . 6a ) and the prograde compositional changes which can be attributed to the ...
... characterized by decreasing Mn content from its core to rim . This zoning is attributed to introduction or ionic ... characterized by normal zoning ( Fig . 6a ) and the prograde compositional changes which can be attributed to the ...
Page 456
... characterized by some fragments of Bryozoa . The sandstones are medium grained and slightly calcareous . Quartz grains are angular to subrounded . Fragments of chert and detrital muscovite and tourmaline also occur in the sandstones ...
... characterized by some fragments of Bryozoa . The sandstones are medium grained and slightly calcareous . Quartz grains are angular to subrounded . Fragments of chert and detrital muscovite and tourmaline also occur in the sandstones ...
Page 530
... characterized by the Barrovian type of metamorphism . A pioneer attempt was made by Ray ( 1935 , 1947 ) to delineate the metamorphic zones , viz . chlorite , biotite , garnet , staurolite - kyanite , and sillimanite , on the basis of ...
... characterized by the Barrovian type of metamorphism . A pioneer attempt was made by Ray ( 1935 , 1947 ) to delineate the metamorphic zones , viz . chlorite , biotite , garnet , staurolite - kyanite , and sillimanite , on the basis of ...
Contents
The Central Himalayan Gneisses in Northern Pakistan | 1 |
LowPressure Metamorphism in a Regionally Metamorphic | 49 |
The Aureole Zone and Metasediments of Dhauladhar Chaori Khas H P | 75 |
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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 Darjeeling developed diagram eastern fabric facies faults feldspar folds foliation Formation fractures Fuchs 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 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