Records of the Geological Survey of India, Volume 104The Survey, 1972 - Earthquakes Includes the "Annual report of the Geological Survey of India," 1867- |
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Page 211
... thick Tura Sandstones . Coal seams are confined to two horizons separated by thick sandstone parting . The upper horizon contains a 0.5-2.5 m . thick seam while in the lower horizon are developed three seams ranging in thickness from ...
... thick Tura Sandstones . Coal seams are confined to two horizons separated by thick sandstone parting . The upper horizon contains a 0.5-2.5 m . thick seam while in the lower horizon are developed three seams ranging in thickness from ...
Page 457
... thick alluvium which is generally having 1-2 m . thick gravel bed at the bottom forming the recharge zones . Groundwater occurs under water table conditions and is mainly tapped by open wells . Wells , located in more than 10 m . thick ...
... thick alluvium which is generally having 1-2 m . thick gravel bed at the bottom forming the recharge zones . Groundwater occurs under water table conditions and is mainly tapped by open wells . Wells , located in more than 10 m . thick ...
Page 60
... thick bedded ( 0.4 to 2 m . thick ) , blocky , elastic and possess very high strength . The sandy shales of the deep channel possess high strength , elasticity and do not slake . The abutment shales are of low strength , yielding type ...
... thick bedded ( 0.4 to 2 m . thick ) , blocky , elastic and possess very high strength . The sandy shales of the deep channel possess high strength , elasticity and do not slake . The abutment shales are of low strength , yielding type ...
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abutment alignment alluvial alluvium amphibolite Andhra Pradesh aquifers Assam bands basalt basin bauxite Bihar block boreholes carried chalcopyrite charnockite clay Coalfield construction Dam Project Deccan Trap deposits depth dips district Division dolerite dolomite drill holes dykes earth dam Engineering Geology excavation exploration fault folded foliation Formation foundation geochemical geohydrological Geol geological mapping Geological Survey Geologists Jr Geophysical Ghosh gneiss Gondwana grade granite gneiss graphite groundwater grouting Gujarat hard rock Hydel Project indicated investigation irrigation joints Laboratory laterite limestone located logging Madhya Pradesh metres million tonnes mineralisation minerals Mysore occur Orissa pegmatite phosphorite phyllites power house pyrite quartz veins quartzite Rajasthan Region reservoir rock types S/Shri samples sand sandstone scale schist seams sediments shales shear zones Shri Singh Siwaliks spillway strike length structure studies Survey of India taluk thick tion trending tubewells tunnel Udaipur district upto Uttar Pradesh valley varies Vindhyan weathered West Bengal