Records of the Geological Survey of India, Volume 106Geological Survey of India, 1976 - Earthquakes Vols. 1- include Report of the Geological Survey, 1867- ; v. 32- include Review of the mineral production of India, 1898/1903- ; v. 75 consists of Professional papers, no. 1-16; v. 76 consists of Bulletins of economic minerals. |
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Page 155
... exposed ) ( 3 ) Sandstone - gritty , mica- ceous and pebbly ( pink quart- zite and other pebbles ) . -No exposure— East of Subansiri river bank Igo valley ( 4 ) Present ( 3 ) Present ( 2 ) ? Cherty dark shale -No exposure ( 1 ) ...
... exposed ) ( 3 ) Sandstone - gritty , mica- ceous and pebbly ( pink quart- zite and other pebbles ) . -No exposure— East of Subansiri river bank Igo valley ( 4 ) Present ( 3 ) Present ( 2 ) ? Cherty dark shale -No exposure ( 1 ) ...
Page 157
... exposed as two bands with N.N.W.-S.S.E. and N.E.-S.W. strikes and consist of biotite , quartz and felspar . Streaky to augen gneisses and porphyroblastic gneisses are common and occasionally veins of graphic or pegmatitic granite are ...
... exposed as two bands with N.N.W.-S.S.E. and N.E.-S.W. strikes and consist of biotite , quartz and felspar . Streaky to augen gneisses and porphyroblastic gneisses are common and occasionally veins of graphic or pegmatitic granite are ...
Page 161
... exposed for a distance of about 8.5 Km . near the source of Doimara river in the north where they are overriden by mica schists and quartzites of Tenga formation up to a place westsouthwest of Sissm , in the Doimara river where they are ...
... exposed for a distance of about 8.5 Km . near the source of Doimara river in the north where they are overriden by mica schists and quartzites of Tenga formation up to a place westsouthwest of Sissm , in the Doimara river where they are ...
Contents
MAHARASHTRA CIRCLE | 12 |
Engineering Geology Division | 92 |
HIMALAYAN GEOLOGY DIVISION | 100 |
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alignment alluvium amphibolite Andhra Pradesh anomaly aquifers bands bauxite bed rock Bihar biotite biotite gneiss block bore holes boreholes charnockite clay coal Coalfield comprising copper covered an area deposits depth to water dips district dolerite dolomite drill holes dykes electrical logging exploration Exploratory drilling fault folds foliation formation garnetiferous geochemical geohydrological geological investigations geological mapping geophysical gneiss Gondwana granite gneiss graphite Groundwater Groundwater occurs Hazaribagh district Hydel indicated Khondalites Laboratory laterite limestone located magnetite mapped an area mapped on scale metres mica schist million tonnes mineralised zones minerals Mysore nala Orissa pegmatite period under review phyllites pits power house Project pyrite quartzite Rajasthan recommended Region rock types S/Shri sand sandstone schist seams sediments shales shear zone Sheet Shri sillimanite Siwalik spillway strike length studies Subansiri suggested sulphide Survey of India taluk thickness toposheet traverse trending tubewells tunnel upto valley varies West Bengal