Records of the Geological Survey of India, Volume 117, Issues 1-2Vols. 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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Results 1-3 of 96
Page 30
... exploration for coal supplemented by the data of systematic and large scale geological mapping ( 1196 sq kms on 1 : 31,680 scale ; 375.00 sq kms on 125,000 scale ; 107.50 sq km on 1 : 10,000 scale ; 2.22 sq km on 1 : 2500/1 : 1500 scale ...
... exploration for coal supplemented by the data of systematic and large scale geological mapping ( 1196 sq kms on 1 : 31,680 scale ; 375.00 sq kms on 125,000 scale ; 107.50 sq km on 1 : 10,000 scale ; 2.22 sq km on 1 : 2500/1 : 1500 scale ...
Page 35
... exploration carried out , a reserve of 14 million tonnes of ' proved ' category was estimated . The coal is Class II / IV in quality . An area of 30 sq km was mapped on 1 : 27,000 scale ( 24 ° 15 ' - 22 ′ : 87 ° 27 ′ - 35 ' : 72P / 11 ...
... exploration carried out , a reserve of 14 million tonnes of ' proved ' category was estimated . The coal is Class II / IV in quality . An area of 30 sq km was mapped on 1 : 27,000 scale ( 24 ° 15 ' - 22 ′ : 87 ° 27 ′ - 35 ' : 72P / 11 ...
Page 40
... exploration by drilling was continued in Andal - Dakshinkhanda - Tamla- Dubchuria sectors ( 23 ° 22 ' - 39 ' 87 ° 12 ' - 22 ' : 73M / 2 ) . A total of 1347.25 m of drilling was done in four boreholes ( RAD - 5A , 9 , 10 , 11 ) . In the ...
... exploration by drilling was continued in Andal - Dakshinkhanda - Tamla- Dubchuria sectors ( 23 ° 22 ' - 39 ' 87 ° 12 ' - 22 ' : 73M / 2 ) . A total of 1347.25 m of drilling was done in four boreholes ( RAD - 5A , 9 , 10 , 11 ) . In the ...
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alignment amphibolite analysis Andhra Pradesh anomaly Asstt Attended bands basalt basin bed rock belt Bihar Bijawar biotite block boreholes Bundelkhand Calcutta carried Chakraborty charnockite collected conglomerate covering an area Deccan Trap depth dips Director district Division dolerite dykes exposed feldspar folds foliation Formation geochemical geological mapping Geologist Jr geophysical geotechnical Ghosh glacier gneiss Gneissic Complex Gondwana grade grained granite granite gneiss granitoid Gupta Headquarters Hydel Project Hyderabad indicated iron-formation Jaipur Kumar limestone line km located logging Lucknow magnetite mapped an area massif metamorphism mica microcline migmatites mineral mineralisation Nagpur nala NE-SW NW-SE pegmatites phyllites plagioclase plutons porphyritic power house quartz quartz veins quartzite regional river rock types S/shri samples sandstone scale schist sediments shale Sharma shear Shillong Shillong Group Shri Singh slide slope spillway sq km Srivastava strike length studies surface surveys thick tion tonnes toposheet trending tunnel upto zone