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 102
... nature of the rock suggests it to be of sedimentary origin with minor metabasic layers . Thin section , studies have indicated that the rock is essentially composed of quartz + K - felspar + biotite ± Hbl ± plagioclase . The quartz is ...
... nature of the rock suggests it to be of sedimentary origin with minor metabasic layers . Thin section , studies have indicated that the rock is essentially composed of quartz + K - felspar + biotite ± Hbl ± plagioclase . The quartz is ...
Page 117
... nature as compared to the outer shelf sediments which are carbonate dominated . Nature of sediments and their faunal assemblage from outer shelf point to their origin from shallow water environment probably during the lower sea levels ...
... nature as compared to the outer shelf sediments which are carbonate dominated . Nature of sediments and their faunal assemblage from outer shelf point to their origin from shallow water environment probably during the lower sea levels ...
Page 261
... nature and are composed of quartz and quartzite . Immaturity and poor sorting of the sandstone suggests quick deposition . The sandstone units are lenticular in nature . Interdigitation of the sandstone units has given rise to ...
... nature and are composed of quartz and quartzite . Immaturity and poor sorting of the sandstone suggests quick deposition . The sandstone units are lenticular in nature . Interdigitation of the sandstone units has given rise to ...
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