Records of the Geological Survey of India, Volume 103Government of India, 1971 - Geology Includes the "Annual report of the Geological Survey of India," 1867- |
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Page 147
... surface geology , indicates the presence of a few metres thick clay with fine sand and silt at the top followed by a thick layer of clay which generally persists down to a depth of 30 to 35 m . A thin bed of fine to medium - grained ...
... surface geology , indicates the presence of a few metres thick clay with fine sand and silt at the top followed by a thick layer of clay which generally persists down to a depth of 30 to 35 m . A thin bed of fine to medium - grained ...
Page 243
... surface . Occasional flowing conditions have also been observed . Sub - surface geohydrological data obtained from 6 boreholes drilled in the Haldia area by Calcutta Port Commissioners and the G. S. I. have indicated the occurrence of ...
... surface . Occasional flowing conditions have also been observed . Sub - surface geohydrological data obtained from 6 boreholes drilled in the Haldia area by Calcutta Port Commissioners and the G. S. I. have indicated the occurrence of ...
Page 7
... surface . The compo- nents of the VLF horizontal magnetic and electric fields which are in phase and quadrature with ... surface Geophysical methods : While the air- borne magnetometer is widely used for geological mapping over extensive ...
... surface . The compo- nents of the VLF horizontal magnetic and electric fields which are in phase and quadrature with ... surface Geophysical methods : While the air- borne magnetometer is widely used for geological mapping over extensive ...
Contents
EASTERN REGION | 183 |
Hydroelectric Projects | 229 |
GROUNDWATER INVESTIGATIONS | 238 |
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alignment alluvium amphibolite Andhra Pradesh anomalies Archaean Asstt bands Banerjee basalt bed rock Bihar block boreholes Calcutta carried chalcopyrite charnockite Circle clay coal coalfield copper core Deccan traps Delhi delineated deposits depth dips Director district dolomite drill holes dykes Engineering exploration Exploratory drilling fault formations geochemical geohydrological geological mapping Geological Survey Geologist Jr geophysical Geophysicist gneisses Gondwana granite granite-gneiss graphite groundwater indicated investigations Kashmir Laboratory laterite limestone located Madhya Pradesh magnetic magnetite mapped an area metal method million tonnes minerals Mining occurs pegmatite phosphorite phyllite power house Project pyrite quartz veins quartzite Rajasthan recommended Region reported resistivity river rock types samples sand sandstones Sarvashri scale schist seams sediments seismic September 1969 shales shear zone Shri Singh spillway Srivastava strike length studies sulphide Survey of India taluk Tamil Nadu thickness topo-sheets traverse trenching trending tubewells tunnel Udaipur district upto varies Vindhyan