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 73
... grade limestone , two for search of tungsten and one each for copper , coal , quartzite and carbide grade limestone . In addition , a few traverses were also taken a Rong Rl area in Geylegphug district which revealed presence of a ...
... grade limestone , two for search of tungsten and one each for copper , coal , quartzite and carbide grade limestone . In addition , a few traverses were also taken a Rong Rl area in Geylegphug district which revealed presence of a ...
Page 75
... grade limestone differs from the cement grade limestone by its grey to dark grey colour . The rocks generally trend in ENE - WSW direction with variable dips mainly towards NNW . They bear imprints of polyphase folding which is ...
... grade limestone differs from the cement grade limestone by its grey to dark grey colour . The rocks generally trend in ENE - WSW direction with variable dips mainly towards NNW . They bear imprints of polyphase folding which is ...
Page 77
... grade limestone is computed down to 90m vertical depth . The weighted average grade of limestone is CaO 45.63 % , MgO 1.12 % , R2O , 1.28 % and A.I. 13.41 % . The limestone overburden ratio in this block is 1 : 1.17 . In the central ...
... grade limestone is computed down to 90m vertical depth . The weighted average grade of limestone is CaO 45.63 % , MgO 1.12 % , R2O , 1.28 % and A.I. 13.41 % . The limestone overburden ratio in this block is 1 : 1.17 . In the central ...
Contents
Overview of the DirectorinCharge | 107 |
East Coast DivisionII 117 | 117 |
West coast Division 127134 | 127 |
Copyright | |
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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