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 241
... thin sedimentary cover of varying thickness of an uneven hard laterite sur- face . The sediment package above this laterite base- ment consists of two units . The lower unit varies in thickness and shows valley fill structures / buried ...
... thin sedimentary cover of varying thickness of an uneven hard laterite sur- face . The sediment package above this laterite base- ment consists of two units . The lower unit varies in thickness and shows valley fill structures / buried ...
Page 291
... thin sections . The seams aremostly thin and are interbanded in nature . Of the regional seams of Pelma area , seam Nos . IV and VIII are of importance . Seam IV occurs in 2 to 5 split sections with cummulative inband thickness varying ...
... thin sections . The seams aremostly thin and are interbanded in nature . Of the regional seams of Pelma area , seam Nos . IV and VIII are of importance . Seam IV occurs in 2 to 5 split sections with cummulative inband thickness varying ...
Page 326
... thin sections including modal analy- ses of 15 thin sections . Megascopically , the Kamthi sandstone are medium to coarse grained and are composed dom- inently of quartz aggregates with silecious and argil- laceous matrices and other ...
... thin sections including modal analy- ses of 15 thin sections . Megascopically , the Kamthi sandstone are medium to coarse grained and are composed dom- inently of quartz aggregates with silecious and argil- laceous matrices and other ...
Contents
CENTRAL HEADQUARTERS | 6 |
AIRBORNE MINERAL SURVEYS AND EXPLORATION WING | 143 |
Overview of the Deputy Director General | 211 |
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Common terms and phrases
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