Journal of Himalayan Geology, Volumes 1-2Wadia Institute of Himalayan Geology, 1990 - Geology |
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Page 251
... rocks and hornblende schists except one hornblende sample which falls in the calc alkaline field . Most of the rocks lie in between Mg - Fe tholeiitic field . FELSIC INDEX 100r 80- 60 1 40 20 40 60 I II III IV V MAFIC INDEX 80 100 Fig ...
... rocks and hornblende schists except one hornblende sample which falls in the calc alkaline field . Most of the rocks lie in between Mg - Fe tholeiitic field . FELSIC INDEX 100r 80- 60 1 40 20 40 60 I II III IV V MAFIC INDEX 80 100 Fig ...
Page 253
... rocks of the Karsog region have formed . The dolerite rocks and hornblende schists were plotted in a triangular diagram with discriminants TiO2 , P2Os and K2O to distinguish between the oceanic and non - oceanic basalts ( after Pearce ...
... rocks of the Karsog region have formed . The dolerite rocks and hornblende schists were plotted in a triangular diagram with discriminants TiO2 , P2Os and K2O to distinguish between the oceanic and non - oceanic basalts ( after Pearce ...
Page 254
ROCK / MORB 10 0.1 K Ca Na Mn Fe Mg Fe * 3 Ti Al Si P Fig . 11. Spidergram for normal type MORB normalized major and minor elements ( mean values ) in the hornblende schist ( filled circle ) and dolerite rocks ( open circle ) from ...
ROCK / MORB 10 0.1 K Ca Na Mn Fe Mg Fe * 3 Ti Al Si P Fig . 11. Spidergram for normal type MORB normalized major and minor elements ( mean values ) in the hornblende schist ( filled circle ) and dolerite rocks ( open circle ) from ...
Contents
RAJESH SHARMA B K NAYAK Ore petrology and origin of leadzinc deposits in great limestone | 103 |
R K MAZARI T N BAGATI Postcollision graben development in the Spiti valley Himachal | 111 |
P Dobhal SURENDAR KUMAR A K MUNDEPI Mass wasting and slope analysis of Chhota | 119 |
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amphibolite Amritpur Amritpur Granite basin beds biotite block chlorite clasts conglomerate Cretaceous Crystallines deformation deposits developed dolerite dolomite earthquakes eastern Eocene evaporites facies fault feldspars folds fossils Garhwal Garhwal Himalaya garnet Geol glacial glacier gneisses Gondwana grained granitoids Group Himachal Pradesh Himalaya Himalayan Geology hornblende hornblende schists India Indian plate indicate Indus Suture Institute of Himalayan Jour Journal of Himalayan K-feldspar Krol Belt Kumar Kumaun Ladakh Lesser Himalaya limestone lineaments lithology lower magmatic margin metamorphism Middle Siwalik migmatites minerals Molnar moraines muscovite Nayar observed occur ophiolitic Ophiolitic Melange Pakistan phase phyllite plagioclase plane Precambrian quartz quartzite Rawat region river rocks Salt Range samples sandstone schist sedimentary sediments sequence shale Sharma shear zones shows Shyok Singh Siwalik slope Spiti stratigraphic structure Subathu Subathu Formation subduction Surv Suture Zone syncline tectonic Tethyan Thakur thick Thrust trend Upper Siwalik valley volcanics Wadia Institute western Zanskar