Records of the Geological Survey of India, Volume 106Geological Survey of India, 1971 - 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 126
... direction and dipping 40 ° -70 ° in northeasterly direction . With slight modification in the dam axis the red slates may be utilised for tying the clay core . Drilling has indicated depth of overburden in the river bed in the order of ...
... direction and dipping 40 ° -70 ° in northeasterly direction . With slight modification in the dam axis the red slates may be utilised for tying the clay core . Drilling has indicated depth of overburden in the river bed in the order of ...
Page 354
... direction with dips varying from 50 ° to 80 ° towards N.W. or S.E. The rocks of Aravalli Group are folded into a ... direction with general younging towards west . Two generations of folds are seen in the Aravallis while the Delhis show ...
... direction with dips varying from 50 ° to 80 ° towards N.W. or S.E. The rocks of Aravalli Group are folded into a ... direction with general younging towards west . Two generations of folds are seen in the Aravallis while the Delhis show ...
Page 407
... directions with southerly dips at 30 ° to 70 ° . Quartz veins show presence of sulphide mineralisation . Mapping has revealed presence of 1.6 km . long and 3-5 m . wide shear zone in N.N.W.-S.S.E. direction . Mineralization is confined ...
... directions with southerly dips at 30 ° to 70 ° . Quartz veins show presence of sulphide mineralisation . Mapping has revealed presence of 1.6 km . long and 3-5 m . wide shear zone in N.N.W.-S.S.E. direction . Mineralization is confined ...
Contents
Volume 106 | 1 |
EASTERN REGION CALCUTTA | 17 |
Publication Division | 50 |
Copyright | |
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Common terms and phrases
alignment alluvium amphibolite Andhra Pradesh anomaly aquifers bands Basin bauxite bed rock Bihar biotite block bore holes boreholes carried charnockite clay coal Coalfield comprising copper covered an area deposits Depth to water dips dist district dolerite dolomite drill holes electrical logging exploration Exploratory drilling folds foliation formation garnetiferous geochemical geohydrological geological investigations geological mapping geophysical gneiss Gondwana grade granite gneiss graphite Groundwater Hazaribagh district Hydel indicated Khondalites laterite limestone located magnetite mapped an area mapped on scale metres mica schist million tonnes mineralised zones minerals nala Orissa pegmatite period under review phyllites pits power house Project pyrite quartzite Rajasthan recommended Region rock types S/Shri sand sandstone Scheme schist seams sediments shales shear zone Sheet Shri sillimanite Siwalik spillway strike length studies Subansiri sulphide Survey of India systematic thickness toposheet total meterage traverse trending tubewells tunnel underlain upto valley varies West Bengal