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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Results 1-3 of 88
Page 322
... indicated the depth to fresh rock to vary from 10 to 20 m . These surveys have also indicated that the weathered granite is sufficiently dense and compact as to give seismic velocities ranging from 1700 to 2200 m./sec . and resistivity ...
... indicated the depth to fresh rock to vary from 10 to 20 m . These surveys have also indicated that the weathered granite is sufficiently dense and compact as to give seismic velocities ranging from 1700 to 2200 m./sec . and resistivity ...
Page 361
... indicated by the gossan which extends over a strike length of 6 km . in eastern limb and 0.5 km . in western limb . Prominent anomalies for zinc and subsidiary anomalies for lead and copper were noted in the northern and southern parts ...
... indicated by the gossan which extends over a strike length of 6 km . in eastern limb and 0.5 km . in western limb . Prominent anomalies for zinc and subsidiary anomalies for lead and copper were noted in the northern and southern parts ...
Page 384
... indicated a metallic conductor of depth . The magnetic surveys have not indicated any anomalies over the probable mineralised zone . A number of S. P. anomalies , extending over a length of nearly 5 km . have been obtained on the ...
... indicated a metallic conductor of depth . The magnetic surveys have not indicated any anomalies over the probable mineralised zone . A number of S. P. anomalies , extending over a length of nearly 5 km . have been obtained on the ...
Contents
Volume 106 | 1 |
EASTERN REGION CALCUTTA | 17 |
Publication Division | 50 |
Copyright | |
27 other sections not shown
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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