Records of the Geological Survey of India, Volume 89Geological Survey of India, 1961 - Earthquakes |
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Page 37
... veins and quartz veins which usually intersect the soft mica - schists . Quartzites are generally dark - coloured , plicated and fractured rocks occurring as narrow discontinuous bands within the mica- schists near the western margin of ...
... veins and quartz veins which usually intersect the soft mica - schists . Quartzites are generally dark - coloured , plicated and fractured rocks occurring as narrow discontinuous bands within the mica- schists near the western margin of ...
Page 348
... veins of quartz containing chalcopyrite , occur in a bed of siliceous limestone . The veins are to 3 inches thick and traceable for lengths of 18 to 24 inches in N.W.- S.E. direction , parallel to the strike of the bedding of the ...
... veins of quartz containing chalcopyrite , occur in a bed of siliceous limestone . The veins are to 3 inches thick and traceable for lengths of 18 to 24 inches in N.W.- S.E. direction , parallel to the strike of the bedding of the ...
Page 355
... veins in the dolomitic limestone is 53 inches . The two veins are separated by a narrow band of crystalline dolomite and magnesite which also show copper The dolomite bearing quartzose bands and magnesite dip at 30 ° to ores . 70 ...
... veins in the dolomitic limestone is 53 inches . The two veins are separated by a narrow band of crystalline dolomite and magnesite which also show copper The dolomite bearing quartzose bands and magnesite dip at 30 ° to ores . 70 ...
Contents
OF | 1 |
MINERAL INVESTIGATIONS | 69 |
GEOPHYSICAL INVESTIGATIONS | 138 |
Copyright | |
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42nd Indian Sci abstract abutment alignment alluvium Andhra aquifers Archegosaurus B.Sc bands beds Bihar Bombay boreholes Calcutta Chatterjee clay coal coalfield colour Congr copper Deccan Trap deposits depth district district.-Mr Ditto dolerite drilling dykes East examined feet formations fossils G. S. I. Type Geol geological mapping Geological Survey Geologist Geophysical gneisses Gondwana granite groundwater Hazra hill Hyderabad India Indian Ceram Indian Miner industry investigated Krishnaswamy laterite lignite limestone located Lystrosaurus M. R. Sahni M.Sc Madhya Bharat Madhya Pradesh Madras Mineral Development Mines Mysore nala occur Orissa Panchet pegmatites phyllites Proc Project quarry quartz quartzites Rajasthan region ridge right bank river rocks samples sand sandstones schists seam Section shales specimen square miles Survey of India taluk thick tion topo-sheets tubewells Upper Uttar Pradesh Valley veins village Vindhya Vindhya Pradesh water supply zircon zone