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 158
... boreholes ( RL - 1 and RL - 2 ) were completed , while two boreholes ( RL- 3 and RL - 4 ) were in progress ( Plate - 1 ) . A total of 1988.05 m was drilled in four boreholes , viz . RL - 1 ( 648.00 m - 800.00 m ) , RL - 2 ( 0.00 m ...
... boreholes ( RL - 1 and RL - 2 ) were completed , while two boreholes ( RL- 3 and RL - 4 ) were in progress ( Plate - 1 ) . A total of 1988.05 m was drilled in four boreholes , viz . RL - 1 ( 648.00 m - 800.00 m ) , RL - 2 ( 0.00 m ...
Page 237
... boreholes ( viz . GS - 3 to GS - 8 ) . The boreholes in GSS series shown in the map were drilled by GSI , S.R. ) earlier as scout boreholes . The Lower Gondwana sediments of this area comprise Talchirs and overlying coal measures which ...
... boreholes ( viz . GS - 3 to GS - 8 ) . The boreholes in GSS series shown in the map were drilled by GSI , S.R. ) earlier as scout boreholes . The Lower Gondwana sediments of this area comprise Talchirs and overlying coal measures which ...
Page 240
... boreholes ( GPL- 1 to GPL - 12 ) spread over an area of about 20 sq km ( Plate - I ) . Out of this , a total quantum of 2078.00m has been drilled during the field season 1990-91 in seven boreholes viz . GPL - 6 to 12 . Lignite occurs ...
... boreholes ( GPL- 1 to GPL - 12 ) spread over an area of about 20 sq km ( Plate - I ) . Out of this , a total quantum of 2078.00m has been drilled during the field season 1990-91 in seven boreholes viz . GPL - 6 to 12 . Lignite occurs ...
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