Journal of Himalayan Geology, Volume 5Wadia Institute of Himalayan Geology, 1994 - Geology |
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Page 67
... composition cut across the batholith throughout its extension . However , concentration is significant only in the southern and northern margin . There is a marked difference in the dyke composition in these two areas . Swarm of aplitic ...
... composition cut across the batholith throughout its extension . However , concentration is significant only in the southern and northern margin . There is a marked difference in the dyke composition in these two areas . Swarm of aplitic ...
Page 81
... composition varies from oligoclase to andesine ( An25- 35 ) . Albite ( An7.9 ) with simple polysynthetic twinning is secondary , formed during mylonitization . Except for secondary albite , plagioclases are clouded . K - feldspar form ...
... composition varies from oligoclase to andesine ( An25- 35 ) . Albite ( An7.9 ) with simple polysynthetic twinning is secondary , formed during mylonitization . Except for secondary albite , plagioclases are clouded . K - feldspar form ...
Page 109
... composition . Such a suit has been described as minimum melt composition suit ( Chappell , White & Wyborn , 1987 , p.1130 ) . The process of fractionation takes place with the separation of ferromagnesian minerals and the residual got ...
... composition . Such a suit has been described as minimum melt composition suit ( Chappell , White & Wyborn , 1987 , p.1130 ) . The process of fractionation takes place with the separation of ferromagnesian minerals and the residual got ...
Contents
CHOUBEY Kewal K Sharma D RAMESHWAR RAO Crustal anatexis | 1 |
N S VIRDI Basement Structures and their possible relation to Sedimentation and Tectonics in | 9 |
N S VIRDI Basement Structures and their possible relation to Sedimentation and Tectonics in | 11 |
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02:53 IST MAGNITUDE Accel cm/s² Agglomeratic Slate Amritpur axial plane Bafliaz Formation basin biotite Budhal Burtsa Formation calcite chert clasts conglomerate Cretaceous deformation Dehra Dun deposits dolomite Dum Gali Quartzite facies fault plane feldspar folds foliation fossils Garhwal Geol gneiss grained granites granitoids grey Gulabgarh Himachal Himalaya Himalayan Geology India Infrakrol Institute of Himalayan inversion Jour Jutogh Kashmir Kharnak Krol Ladakh landslides Lesser Himalaya limestone lineation Maastrichtian Mandi metamorphic Nappe Nilkanth Panjal thrust Panjal Volcanic Parautochthonous belt pebbles periglacial Permian phyllites Pir Panjal range plagioclase porphyries Proterozoic quartz quartzite Rampur Ramsu region rocks Salkhala samples sandstone Sarkanth schist sector sedimentary sediments sequence shale Sharma shear Shergol Singh SiO2 slide slip slope soil strain Stratigraphy structures Surv Suture Zone Syncline tectonic Tethyan Thakur thick Thinly bedded Uhl valley Unconformity upper UTTARKASHI UTTARKASHI EARTHQUAKE Verma Wadia Institute WIMF/A Ypresian Zanskar