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 24
... range from 41 to 286 ppm and the Sr contents range from 91 to 152 ppm . The Rb / Sr ratio range from 0.45 to 1.88 . The mean Rb and Sr contents in the migmatitic rocks are 218 and 136 ppm respectively ( mean Rb / Sr = 1.56 ) . As ...
... range from 41 to 286 ppm and the Sr contents range from 91 to 152 ppm . The Rb / Sr ratio range from 0.45 to 1.88 . The mean Rb and Sr contents in the migmatitic rocks are 218 and 136 ppm respectively ( mean Rb / Sr = 1.56 ) . As ...
Page 99
... range , the latter flow pattern repre- sents the regional gradient of the continental ice . Tongues of this continental ice transgress different parts of the Schirmacher range . Amongst these , the most prominent is a tongue surging ...
... range , the latter flow pattern repre- sents the regional gradient of the continental ice . Tongues of this continental ice transgress different parts of the Schirmacher range . Amongst these , the most prominent is a tongue surging ...
Page 171
... range of 328.64 m and 617.50 m . Thickness of clean coal seam ranges from 0.64 m to 11.60 m . Four Barakar coal seam zones viz . zone - II , III , IV and V ranging in thickness from 26.65 m to 69.80 m Block Boundary were intersected in ...
... range of 328.64 m and 617.50 m . Thickness of clean coal seam ranges from 0.64 m to 11.60 m . Four Barakar coal seam zones viz . zone - II , III , IV and V ranging in thickness from 26.65 m to 69.80 m Block Boundary were intersected in ...
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