Journal of Himalayan Geology, Volumes 1-2Wadia Institute of Himalayan Geology, 1990 - Geology |
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Page 203
... Field , II- Quartz Diorite Field , III - Granodiorite Field , IV - Graywacke Field and V - Granite Field . 8 are of typical Amritpur Granite ( epuigranular ) falling in the granitic field , while the sample 1 , 2 , 3 , 4 and 6 fall in ...
... Field , II- Quartz Diorite Field , III - Granodiorite Field , IV - Graywacke Field and V - Granite Field . 8 are of typical Amritpur Granite ( epuigranular ) falling in the granitic field , while the sample 1 , 2 , 3 , 4 and 6 fall in ...
Page 204
... field while the granitic samples fall into peraluminous field in Fig . 6 . The plots of the Na2O / Al2O3 vs K2O / Al2O3 of the Granites ( after Garrels and Mackenzie , 1971 ) are falling into two distinct fields i.e. the samples 1 , 2 ...
... field while the granitic samples fall into peraluminous field in Fig . 6 . The plots of the Na2O / Al2O3 vs K2O / Al2O3 of the Granites ( after Garrels and Mackenzie , 1971 ) are falling into two distinct fields i.e. the samples 1 , 2 ...
Page 83
... Field Ortho- Field Dolomite 100 mg 0.5 06 0.7 50 -Pelites & 50 Semipelites mg Fig . 2. Niggli k Vs. mg diagram ( after Leake , 1963 ) . 50 / Sedimentary Field Igneous Field 50 50 Fe ** + Fe *** Fig . 3. Ca - Mg2 − ( Fe2 + Fe1 ) ...
... Field Ortho- Field Dolomite 100 mg 0.5 06 0.7 50 -Pelites & 50 Semipelites mg Fig . 2. Niggli k Vs. mg diagram ( after Leake , 1963 ) . 50 / Sedimentary Field Igneous Field 50 50 Fe ** + Fe *** Fig . 3. Ca - Mg2 − ( Fe2 + Fe1 ) ...
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