Records of the Geological Survey of India, Volume 111The Survey, 1982 - 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 53
... thickness varying from 4.8 m to 9.78 m . 209.93 m tonnes of mainly class III / II quality coal has been estimated ... thickness of 65.24 m . In bore- hole No. JM - 16 seam Nos . XVIII to XV have been en- countered , out of which XVI Top ...
... thickness varying from 4.8 m to 9.78 m . 209.93 m tonnes of mainly class III / II quality coal has been estimated ... thickness of 65.24 m . In bore- hole No. JM - 16 seam Nos . XVIII to XV have been en- countered , out of which XVI Top ...
Page 134
... thickness of 13.65 m as revealed from explora- tory drilling of 905.75 m in 28 boreholes . A resource of 91.4 million tonnes with average 46.5 % Al2O , was estimated in this block . The Pottangi Extension Block , Ballada , Panchpatmali ...
... thickness of 13.65 m as revealed from explora- tory drilling of 905.75 m in 28 boreholes . A resource of 91.4 million tonnes with average 46.5 % Al2O , was estimated in this block . The Pottangi Extension Block , Ballada , Panchpatmali ...
Page 131
... thickness in metres of coal seam or seams the gross total reserve of coal may be calculated as follows : Areas in sq kilometres X average thickness of the seam ( s ) in metres X Sp . Gr . ( as per grade / class ) = million tonnes . D ...
... thickness in metres of coal seam or seams the gross total reserve of coal may be calculated as follows : Areas in sq kilometres X average thickness of the seam ( s ) in metres X Sp . Gr . ( as per grade / class ) = million tonnes . D ...
Contents
ENGINEERING AND TRANSPORT DIVISION | 1 |
GEOSCIENCE DATA CENTRE | 9 |
WESTERN REGION | 17 |
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alignment amphibolite analysis Andhra Pradesh anomaly zone bands basalt basin bauxite bed rock Bihar biotite block boreholes carried out geological chalcopyrite Circle clay coal comprising Deccan Trap delineated deposits depth dipping Director dist district Division drill cores drill holes excavation fault folds Formation fossils geochemical geological mapping Geologist Geophysical surveys geotechnical geothermal glacier gneiss Gondwana grade Group grouting Headquarters indicated investigation laboratory laterite limestone line km located logged Madhya Pradesh magnetic magnetite Meghalaya metres mica schist migmatites million tonnes mineralisation minerals nala NE-SW NW-SE occurs Orissa pegmatite phyllite pits power house Project proposed pyrite quartz quartz veins quartzite Rajasthan regional resistivity river rock types S/Shri samples were collected sand sandstone Sarvashri scale schist seams sediments seismic shale shear zone Shri sillimanite soil spillway sq km strike length studies sulphide thickness tion Toposheet traverse trending tunnel upto Valley varying Vindhyan