Himalaya: Geological Aspects, Volume 2P. S. Saklani Contributed articles. |
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Page 20
... represent a lower part of the ophiolite assemblage , or a part of " oceanic " crust with very low spreading rate ... represented by different minerals or different mechanisms of deformation . The mechanism of plastic deformation of the ...
... represent a lower part of the ophiolite assemblage , or a part of " oceanic " crust with very low spreading rate ... represented by different minerals or different mechanisms of deformation . The mechanism of plastic deformation of the ...
Page 63
... representing quartz - potash feldspar - Albite , in the triangular diagram ( Fig . 2 ) aggregate predominantly in S ... represent quartz rich adamellite ( Monzogranite ) variety . The variation diagram K , O Vs Na2O ( Harpum , 1963 ) ...
... representing quartz - potash feldspar - Albite , in the triangular diagram ( Fig . 2 ) aggregate predominantly in S ... represent quartz rich adamellite ( Monzogranite ) variety . The variation diagram K , O Vs Na2O ( Harpum , 1963 ) ...
Page 501
... represent measurements of surfaces parallel to the bedding foliation in the metasediments but seldom in the gneisses . Deformations shown by л girdles on the diagrams ( Figs . 3 , 4 , 12 and 13 ) generally seem to be post - metamorphic ...
... represent measurements of surfaces parallel to the bedding foliation in the metasediments but seldom in the gneisses . Deformations shown by л girdles on the diagrams ( Figs . 3 , 4 , 12 and 13 ) generally seem to be post - metamorphic ...
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