Records of the Geological Survey of India, Volume 110, Part 1government of India., 1975 - 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 81
... thick , the middle seam is 0.5-0.7 m thick , and the upper seam is 0.4-0.5 m thick . IV . 1.4 . NAGALAND Tuensang district Nazira Coalfield : U. K. Basu and S. K. Lahiri surveyd 0.3 sq km on 1 : 2000 scale in a part of the Nazira Coal ...
... thick , the middle seam is 0.5-0.7 m thick , and the upper seam is 0.4-0.5 m thick . IV . 1.4 . NAGALAND Tuensang district Nazira Coalfield : U. K. Basu and S. K. Lahiri surveyd 0.3 sq km on 1 : 2000 scale in a part of the Nazira Coal ...
Page 83
... thick ) was encountered in WBPJ - 9 . Seam No. VA ( 7.14-8.48 m thick ) was en- countered in WBJP - 8 and 9. Seam Nos . " 0 " ( 2.12-5.0 m thick ) , I ( 1.10-4.40 m thick ) , IIA ( 4.35-7.75 m thick ) , IIB ( 3.18-6.35 m thick ) , III ...
... thick ) was encountered in WBPJ - 9 . Seam No. VA ( 7.14-8.48 m thick ) was en- countered in WBJP - 8 and 9. Seam Nos . " 0 " ( 2.12-5.0 m thick ) , I ( 1.10-4.40 m thick ) , IIA ( 4.35-7.75 m thick ) , IIB ( 3.18-6.35 m thick ) , III ...
Page 84
... thick- ness were encountered . From the boreholes only 0.10 million tonnes of ' proved ' category of II category coal and 0.83 million tonnes of unclassified category coal were assessed . Sohagpur Coalfield : V. D. Borkar mapped 150 sq ...
... thick- ness were encountered . From the boreholes only 0.10 million tonnes of ' proved ' category of II category coal and 0.83 million tonnes of unclassified category coal were assessed . Sohagpur Coalfield : V. D. Borkar mapped 150 sq ...
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alignment amphibolite Andhra Pradesh anomaly zones Asstt bands basalt basemetal bauxite bed rock Bihar biotite block boreholes Calcutta carried chalcopyrite charnockite Circle coal seams Coalfield collected cores Delhi deposits depth dips Director Geologist district drilling Dutta dykes encountered exposed fault folds foliation Formation foundation Geologist Jr GEOLOGY DIVISION geotechnical Ghosh gneiss Gondwana granite granite gneiss graphite grey Group Gupta Headquarters indicated intrusives investigated Jaipur Jammu Kumar Laboratory laterite limestone line km located logged Lucknow Madhya Pradesh magnetite mica schist migmatite million tonnes Mineral mineralisation Murthy nala NE-SW occur Officer Orissa pegmatite phyllite pitting power house Project proposed pyrite quartz quartz veins quartzite RAJASTHAN Region river rock types S/Shri sandstone scale schist sediments shale shear zones Shri S. K. Singh Sinha slope soil spillway sq km sq km area Srivastava strike length studies sulphide Supergroup thick traverse trending tunnel upto West Bengal