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 165
... shale , grey shale , carbonaceous shale , siltstone , greyish clay , fire clay ( ? ) and a few coal seams . Leaf imprints of Glossopteris , Schizoneura , as well as imprints of Vertebraria occur within the shale horizons . The Dubrajpur ...
... shale , grey shale , carbonaceous shale , siltstone , greyish clay , fire clay ( ? ) and a few coal seams . Leaf imprints of Glossopteris , Schizoneura , as well as imprints of Vertebraria occur within the shale horizons . The Dubrajpur ...
Page 178
... shale and carbonaceous shale occasionally with thin coal bands . The exact thickness of Raniganj Formation could not be estimated as the contact between Raniganj Formation and Barren Measures in not exposed . It covers mostly the ...
... shale and carbonaceous shale occasionally with thin coal bands . The exact thickness of Raniganj Formation could not be estimated as the contact between Raniganj Formation and Barren Measures in not exposed . It covers mostly the ...
Page 182
... shale , carbonaceous shale and thin shale - coal bands . Few ferruginous bands are also present at the upper part of Raniganj Formation . A persistent ochre yellow fossiliferous thin shale horizon occurs at the top of Raniganj rocks ...
... shale , carbonaceous shale and thin shale - coal bands . Few ferruginous bands are also present at the upper part of Raniganj Formation . A persistent ochre yellow fossiliferous thin shale horizon occurs at the top of Raniganj rocks ...
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