Journal of Himalayan Geology, Volumes 1-2Wadia Institute of Himalayan Geology, 1990 - Geology |
From inside the book
Results 1-3 of 28
Page 20
... SiO2 and highly oversaturated . Na2O / K2O ratio is variable . SiO2 / CaO ratio of leucogranites varies from 5.46 to 86.66 . Higher SiO2 / CaO ratio is due to differentiation in the country rock . In the chemical - mineralogical ...
... SiO2 and highly oversaturated . Na2O / K2O ratio is variable . SiO2 / CaO ratio of leucogranites varies from 5.46 to 86.66 . Higher SiO2 / CaO ratio is due to differentiation in the country rock . In the chemical - mineralogical ...
Page 88
... SiO2 % 46 40 34 -4.5 12 PHI SIZE IN PHI SCALE Fig . 1. Weight percentage frequency distribution of Maldeota Phosphorite tailings and sludge , Mussoorie . WT % Mg0 % FREQ A1203 % 2.8- 1.9 . Coo 8 5 20 16 2 96 9.3 24.2 16.0 17.3 8.2 63 30 ...
... SiO2 % 46 40 34 -4.5 12 PHI SIZE IN PHI SCALE Fig . 1. Weight percentage frequency distribution of Maldeota Phosphorite tailings and sludge , Mussoorie . WT % Mg0 % FREQ A1203 % 2.8- 1.9 . Coo 8 5 20 16 2 96 9.3 24.2 16.0 17.3 8.2 63 30 ...
Page 89
... SiO2 . In the intermediate fractions , the sp . gr . gradually goes up , thereby increasing the phosphatic materials . But , in the fine fractions , the quantity of materials is small , only about 5 per cent , indicating the removal of ...
... SiO2 . In the intermediate fractions , the sp . gr . gradually goes up , thereby increasing the phosphatic materials . But , in the fine fractions , the quantity of materials is small , only about 5 per cent , indicating the removal of ...
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 |
30 other sections not shown
Other editions - View all
Common terms and phrases
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