Records of the Geological Survey of India, Volume 129, Parts 2-3The Survey, 1998 - 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 201
... depths of 44.24m and 260.16m . Bore- hole data helped in establishing a Barakar coal zone at shallow depth over a strike length of 2.5 km . The coal seams are mostly interbanded with maximum thickness of 17.83m of an individual zone but ...
... depths of 44.24m and 260.16m . Bore- hole data helped in establishing a Barakar coal zone at shallow depth over a strike length of 2.5 km . The coal seams are mostly interbanded with maximum thickness of 17.83m of an individual zone but ...
Page 233
... depth range of 131.00m and 337.40m . These findings have opened up the possibility of continuation of regional Barakar coal seams at shallow depths and also along the strike . Occurrence and continuity of the Lower Kamthi Seam ( I ) and ...
... depth range of 131.00m and 337.40m . These findings have opened up the possibility of continuation of regional Barakar coal seams at shallow depths and also along the strike . Occurrence and continuity of the Lower Kamthi Seam ( I ) and ...
Page
... depth of foundation grade bed rock varies from 1.40 m to 3.80 m only . At the alternative site the thickness of overburden varies from 1.0 m to 4.50 m and the foundation grade fresh rock depth varies from 2.15 m to 6.55 m . The bed rock ...
... depth of foundation grade bed rock varies from 1.40 m to 3.80 m only . At the alternative site the thickness of overburden varies from 1.0 m to 4.50 m and the foundation grade fresh rock depth varies from 2.15 m to 6.55 m . The bed rock ...
Contents
Stratigraphy Division | 11 |
Central Petrological Laboratories | 26 |
Geodata and Database Division | 43 |
Copyright | |
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acid volcanics aeromagnetic amphibolite anomaly bands Barakar Barakar Formation Barren Measure basemetal basic basin belt Bhutan Bihar biotite block boreholes charnockite Chhotanagpur clay coal seams Coalfield coarse Code core covered depth district Division drilling dykes east eastern faults field season foliation geochemical GEOLOGICAL MAP geophysical GEOTECHNICAL INVESTIGATION Ghosh gneiss gneissic gold Gondwana grade grained granite granite gneiss grey ground evaluation heavy minerals India indicated intersected intrusives Kamthi laterite limestone lineament located magnetic mica schist migmatite mineralisation nala NW-SE occur Orissa OVERVIEW pegmatite phyllite plagioclase Pradesh programme Project Proterozoic Purulia Purulia district quartz quartz veins quartzite Raniganj REGIONAL EXPLORATION river samples sand sandstone scale schist seam zones sector sediments sequence shale shear zone Sikkim Singhbhum southern sq km sq.km STAGE GEOTECHNICAL INVESTIGATION strike length structure sulphide surface survey Talchir terrain thickness tion Toposheet trending ultramafic upto varies West Bengal