Himalaya: Geological Aspects, Volume 2P. S. Saklani Contributed articles. |
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Page 46
... grade zones were probably not formed at lower grade in these rocks . The chemistry of rocks in the three zones shows variation in CaO , MnO , and MgO content ( Table 2 ) . Sometimes the core garnet of the higher- grade zones exhibit the ...
... grade zones were probably not formed at lower grade in these rocks . The chemistry of rocks in the three zones shows variation in CaO , MnO , and MgO content ( Table 2 ) . Sometimes the core garnet of the higher- grade zones exhibit the ...
Page 207
... grade metapelites is studied and on this basis it has been established that the temperature ranged from 479 ° to 488 ° in quartz - muscovite - chlorite - biotite - garnet schist of zone B. It was 564 ° C in quartz- biotite - garnet ...
... grade metapelites is studied and on this basis it has been established that the temperature ranged from 479 ° to 488 ° in quartz - muscovite - chlorite - biotite - garnet schist of zone B. It was 564 ° C in quartz- biotite - garnet ...
Page 566
... grade Oneiss Schist Hest flow Phyllite / schist and gneiss boundary 11 Schist Increasing metamorphic grade N Fig . 19. Diagram showing schematically the sequence of events proposed to explain the reverse or inverted zonal sequence of ...
... grade Oneiss Schist Hest flow Phyllite / schist and gneiss boundary 11 Schist Increasing metamorphic grade N Fig . 19. Diagram showing schematically the sequence of events proposed to explain the reverse or inverted zonal sequence of ...
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