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 305
... shear zone was flanked by sheeted zones on either side . Five drill holes were recommended to delineate this weak ... sheared rock , with lesser amounts of highly sheared rock , crushed rock and gouge . The overall nature of the material ...
... shear zone was flanked by sheeted zones on either side . Five drill holes were recommended to delineate this weak ... sheared rock , with lesser amounts of highly sheared rock , crushed rock and gouge . The overall nature of the material ...
Page 309
... shearing in the near horizontal shear zones in blocks 10 to 16 . Based on a study of the borehole cores relevant treatment by way of concrete back filled drifts in the shear zones to mobilise the requisite shear resistance was ...
... shearing in the near horizontal shear zones in blocks 10 to 16 . Based on a study of the borehole cores relevant treatment by way of concrete back filled drifts in the shear zones to mobilise the requisite shear resistance was ...
Page 321
... shear zone with badly caving and flowing ground was expected to continue for at least another 500 m . from the western face , which itself may take 2 to 3 years to go through , a change in the alignment was suggested , so as to be away ...
... shear zone with badly caving and flowing ground was expected to continue for at least another 500 m . from the western face , which itself may take 2 to 3 years to go through , a change in the alignment was suggested , so as to be away ...
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