Records of the Geological Survey of India, Volume 124, Part 2The Survey, 1989 - 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 10
... shales of the Halkal Shale , Bhima Group , in the previous field - seasons led to further investi- gation in the area . Field work was carried out jointly with officers of the palaeontology Division of Southern Region in the current ...
... shales of the Halkal Shale , Bhima Group , in the previous field - seasons led to further investi- gation in the area . Field work was carried out jointly with officers of the palaeontology Division of Southern Region in the current ...
Page 281
... shale , lenses of siltstone , marlstone and a thin con- glomeratic horizon towards top . Unconformity Coarse , medium and fine grained sandstone , carbonaceous shale , grey shale , coal and plant fossils . The Barakar Formation contains ...
... shale , lenses of siltstone , marlstone and a thin con- glomeratic horizon towards top . Unconformity Coarse , medium and fine grained sandstone , carbonaceous shale , grey shale , coal and plant fossils . The Barakar Formation contains ...
Page 300
... shale , carbonaceous shale , fireclay and coal seams . The maximum thickness of coal horizon is 50 cm . Estimated thickness + 300 m Talchar Very coarse grained sand- stone with pebbles and 100-200m granules , fine grained buff coloured ...
... shale , carbonaceous shale , fireclay and coal seams . The maximum thickness of coal horizon is 50 cm . Estimated thickness + 300 m Talchar Very coarse grained sand- stone with pebbles and 100-200m granules , fine grained buff coloured ...
Contents
CENTRAL HEADQUARTERS | 6 |
AIRBORNE MINERAL SURVEYS AND EXPLORATION WING | 143 |
Overview of the Deputy Director General | 211 |
Copyright | |
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aeromagnetic amphibolite AMSE Wing analysis Andhra Pradesh anomalies assemblage bands Barakar Barakar Formation basement basin Bhutan BIHAR block boreholes carbonaceous chalcopyrite clay coal seams Coal Wing coarse grained Code copper mineralisation core Cruise deposits depth range DISTRICT drilling east eastern ENE-WSW evaluation EXPLORATION FOR COAL faults felsic field season fold geochemical GEOLOGICAL MAP Ghosh gneisses Gondwana grade granite gravity grey Group heavy mineral ilmenite INDEX India indicate intersected investigation Kamthi Formation limestone lineament located MADHYA PRADESH magnetic magnetite medium metamorphism million tonnes NW-SE occur ORISSA phyllite potential PRECAMBRIAN pyrite quartz quartzite Raniganj Raniganj Formation Regional exploration rocks Sakoli samples sand sandstone scale schist schist belt seabed seam zones sector sediments shale siltstone silty Singhbhum soil sq km stratigraphic strike length sulphide surface surveys Talchir Formation tectonic thickness tion Toposheet trending tuff upto VALLEY COALFIELD varies volcanics zone