Records of the Geological Survey of India, Volume 123, Part 2The Survey, 1990 - 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 80
... horizon appears to be most potential . Within the proved strike exten- sion of 286 m and down to the depth of 50 m from the surface a reserve of nearly 67,000 tonnes of coal has been estimated . The remaining four horizons as well as ...
... horizon appears to be most potential . Within the proved strike exten- sion of 286 m and down to the depth of 50 m from the surface a reserve of nearly 67,000 tonnes of coal has been estimated . The remaining four horizons as well as ...
Page 161
... horizon of more than 1 m thick overlain by very coarse sand followed upward by silty clay with fine sand partings . The peat horizon indicates a swampy environment which is succeeded by a high energy regime followed upward by a moderate ...
... horizon of more than 1 m thick overlain by very coarse sand followed upward by silty clay with fine sand partings . The peat horizon indicates a swampy environment which is succeeded by a high energy regime followed upward by a moderate ...
Page 222
... horizon of 5.30m thickness at the depth of 29m within Barakar strata . Available surface and sub- surface information suggests regional persistence of this coal - shale horizon . A reserve of approximately 2 million tonnes of ...
... horizon of 5.30m thickness at the depth of 29m within Barakar strata . Available surface and sub- surface information suggests regional persistence of this coal - shale horizon . A reserve of approximately 2 million tonnes of ...
Contents
Geochronology and Isotope Geology Division 1833 | 18 |
Central Petrological Laboratories 4450 | 44 |
Central Geophysics Division 5168 | 50 |
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Common terms and phrases
aeromagnetic amphibolite AMSE Wing analysis ANDHRA PRADESH anomalies Argada bands Barakar Barakar Formation Barren Measures Formation basin Bhutan BIHAR block boreholes Calcutta Central chalcopyrite chemical clay coal seams Coal Wing copper cores correlation cruise depth developed DISTRICT dolomite dykes east eastern EXPLORATION FOR COAL fault field season geochemical GEOLOGICAL MAP Geophysics Division gneisses GODAVARI VALLEY Gondwana grade grained granite gneiss grey GROUND EVALUATION heavy mineral horizon India indicated intersected isotopic Kamthi Formation Karnataka lignite limestone located MADHYA PRADESH mafic magnetic Marine Wing metamorphic migmatites million tonnes mineralisation NW-SE occur Orissa phyllite PRADESH Code Precambrian quartz quartzite range Raniganj REGIONAL EXPLORATION revealed samples sand sandstone scale schist seam zones sector sediments seismic sequence shale sq km sulphide surface surveys TALCHIR FORMATION thickness tion toposheet trending upto VALLEY COALFIELD varying vibrocores volcanics WEST BENGAL whole rock zone