Journal of Himalayan Geology, Volume 5Wadia Institute of Himalayan Geology, 1994 - Geology |
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... migmatites arise from the anatexis of the surrounding metapelites . Compositionally the granitoids range from granodiorite to granite and are peraluminous S - type , corundum normative rocks . They show compositional overlap with the ...
... migmatites arise from the anatexis of the surrounding metapelites . Compositionally the granitoids range from granodiorite to granite and are peraluminous S - type , corundum normative rocks . They show compositional overlap with the ...
Page 4
... migmatite formation is an important consideration in this regard . The field setting of narrow zone of migmatites , followed by broad zone of biotite gneisses and porphyritic gneisses , and core of the complex representing the huge ...
... migmatite formation is an important consideration in this regard . The field setting of narrow zone of migmatites , followed by broad zone of biotite gneisses and porphyritic gneisses , and core of the complex representing the huge ...
Page 5
... can also be explained by two stage melt generation , where , the first stage melting of pelitic rocks as lead to the formation of migmatites , porphyritic granites and biotite granites , and Rb ( ppm ) 10 100 Rb / Sr = 7.
... can also be explained by two stage melt generation , where , the first stage melting of pelitic rocks as lead to the formation of migmatites , porphyritic granites and biotite granites , and Rb ( ppm ) 10 100 Rb / Sr = 7.
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/sē 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