Records of the Geological Survey of India, Volume 125, Part 2The Survey, 1992 - 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 223
... respectively during the Field Season 1990-91 . In the Godavari Valley Basin , an integrated programme of exploration was taken up by drilling , large scale mapping of critical areas , large scale plane - table mapping , surface and sub ...
... respectively during the Field Season 1990-91 . In the Godavari Valley Basin , an integrated programme of exploration was taken up by drilling , large scale mapping of critical areas , large scale plane - table mapping , surface and sub ...
Page 234
... respectively . The Queen seam is 2.68 m thick whereas the King seam is 7.70m , thick . No coal seam has been intersected in boreholes GKGD - 5 and 11 during this field season . The Precambrian basement has been intersected in boreholes ...
... respectively . The Queen seam is 2.68 m thick whereas the King seam is 7.70m , thick . No coal seam has been intersected in boreholes GKGD - 5 and 11 during this field season . The Precambrian basement has been intersected in boreholes ...
Page 310
... respectively . The values are found to be higher than the corresponding averages for char- nockites ( 1.24 % , 399 ppm , 37 ppm and 267 ppm respectively ) , indicating that the charnockites and migmatites are depleted in K , Ba and Rb ...
... respectively . The values are found to be higher than the corresponding averages for char- nockites ( 1.24 % , 399 ppm , 37 ppm and 267 ppm respectively ) , indicating that the charnockites and migmatites are depleted in K , Ba and Rb ...
Contents
Overview of the DirectorinCharge | 107 |
East Coast DivisionII 117 | 117 |
West coast Division 127134 | 127 |
Copyright | |
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Common terms and phrases
aeromagnetic amphibolite analysis Andhra Pradesh anomalies bands Barakar Barakar Formation Barren Measures Formation basemetal basin belt Bhutan BIHAR biotite block boreholes chalcopyrite charnockite clay coal seams COALFIELD coarse grained Code copper covered deposition depth range DISTRICT Division drilling dyke east eastern EXPLORATION FOR COAL fault felsic field season folds foraminifera geochemical GEOLOGICAL MAP geophysical gneiss Gondwana grade grey Group heavy mineral horizon INDEX India indicate intersected in boreholes investigation isobath isotopic Kamthi Formation lignite limestone line km lineaments located MADHYA PRADESH magnetic magnetite Maharashtra metamorphism migmatites million tonnes mineralisation NW-SE occur Orissa phyllite plagioclase PLATE-I Precambrian quartz quartz veins quartzite Rajasthan Raniganj Raniganj Formation REGIONAL EXPLORATION rocks Saharjuri sand sandstone schist seabed seam zones sector sediments shallow shelf silty Singhbhum sq km strike length studies sulphide survey Talchir Formation tectonic thickness Thimphu toposheet trending upto varies volcanic