Records of the Geological Survey of India, Volume 125, Part 2The Survey, 1990 - 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 114
... sand sediments are invariably represented by oolitic sand mixed with variable proportions of shell fragments and foraminifers possibly representing palaeo - strand line at 120 m depth . Heavy minerals in the silty sand domain include ...
... sand sediments are invariably represented by oolitic sand mixed with variable proportions of shell fragments and foraminifers possibly representing palaeo - strand line at 120 m depth . Heavy minerals in the silty sand domain include ...
Page 122
... sand , silty sand , clayey sand and silty clay whereas the continental slope , rise and the Bengal Fan are dominated by silty clay . Thin layers of fine grained sand occur within the clay over the continental rise . By and large , all ...
... sand , silty sand , clayey sand and silty clay whereas the continental slope , rise and the Bengal Fan are dominated by silty clay . Thin layers of fine grained sand occur within the clay over the continental rise . By and large , all ...
Page 130
... sand , clayey sandy gravel and gravelly sand ( with gravels varying from 5-30 % ) in shallow depths ( 40-50 m ) of continental shelf domain followed by better sorted medium to fine sand in 50-70 m depth range . Clayey sand and silty sand ...
... sand , clayey sandy gravel and gravelly sand ( with gravels varying from 5-30 % ) in shallow depths ( 40-50 m ) of continental shelf domain followed by better sorted medium to fine sand in 50-70 m depth range . Clayey sand and silty sand ...
Contents
Overview of the DirectorinCharge | 107 |
East Coast DivisionII | 117 |
West coast Division | 127 |
Copyright | |
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aeromagnetic amphibolite analysis Andhra Pradesh anomalies bands Barakar Barakar Formation Barren Measures Formation basemetal basin belt Bengal Bhutan BIHAR biotite block boreholes chalcopyrite charnockites clay coal seams COALFIELD coarse grained Code copper deposition depth range DISTRICT Division drilling dyke east eastern EXPLORATION FOR COAL fault felsic field season foraminifera geochemical GEOLOGICAL MAP geophysical gneisses 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