Records of the Geological Survey of India, Volume 124, Part 2The Survey, 1991 - 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 232
... sand occurring on the flanks of the bank upto 200 m and beyond while the seafloor is covered by sand - silt - clay and silty clay . On the contrary , off Mangalore the distribution of sediments seawards is as follows : Sandy gravel ...
... sand occurring on the flanks of the bank upto 200 m and beyond while the seafloor is covered by sand - silt - clay and silty clay . On the contrary , off Mangalore the distribution of sediments seawards is as follows : Sandy gravel ...
Page 233
... sand . The sand is present on the seabed surface at a few places . Fine to medium sand contains heavy minerals . The thickness of the top silty clay varies from place to place and it increases towards west . In the eastern part of the ...
... sand . The sand is present on the seabed surface at a few places . Fine to medium sand contains heavy minerals . The thickness of the top silty clay varies from place to place and it increases towards west . In the eastern part of the ...
Page 243
... sand content in the lower sand unit ranges from 83 to 97 % . An intervening zone of clayey sand of 10-15 cm thickness separates the two units . Sedimentol- ogical parameters of both the units are remarkably different but uniquely ...
... sand content in the lower sand unit ranges from 83 to 97 % . An intervening zone of clayey sand of 10-15 cm thickness separates the two units . Sedimentol- ogical parameters of both the units are remarkably different but uniquely ...
Contents
CENTRAL HEADQUARTERS | 6 |
AIRBORNE MINERAL SURVEYS AND EXPLORATION WING | 143 |
Overview of the Deputy Director General | 211 |
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aeromagnetic amphibolite AMSE Wing analysis Andhra Pradesh anomalies assemblage bands Barakar Formation BARREN MEASURES FORMATION basement basin Bhutan block boreholes carbonaceous Central chalcopyrite clay coal seams Coal Wing coarse grained Code copper mineralisation core Cruise deposits depth range DISTRICT drilling east eastern ENE-WSW evaluation EXPLORATION FOR COAL faults felsic field season fold geochemical GEOLOGICAL MAP gneisses Gondwana grade granite gravity grey Group heavy mineral ilmenite INDEX India indicate intersected investigation Kamthi Formation limestone lineament MADHYA PRADESH magnetic magnetite medium metamorphism migmatite million tonnes NW-SE occur ORISSA phyllite potential PRECAMBRIAN pyrite quartz quartzite Raniganj Raniganj Formation Regional exploration rocks Sakoli samples sand sandstone scale schist schist belt seabed seam zones sector sediments shale siltstone silty Singhbhum soil sq km Stratigraphy strike length sulphide surface surveys Talchir Formation tectonic thickness tion Toposheet trending tuff upto VALLEY COALFIELD varies volcanics zone