Records of the Geological Survey of India, Volume 108The Survey, 1983 - 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 18
... shale samples from Yamuna Hydel Project ,, Dehra Dun were found barren of any spores . ( Coll : S. K. Shome , E. G. Division , N.R.O. , G.S.I. ) . 10. One carbonaceous shale from Lonar lake area revealed an un- identifiable fragmentary ...
... shale samples from Yamuna Hydel Project ,, Dehra Dun were found barren of any spores . ( Coll : S. K. Shome , E. G. Division , N.R.O. , G.S.I. ) . 10. One carbonaceous shale from Lonar lake area revealed an un- identifiable fragmentary ...
Page 234
... shale 54+ 66+ -Base not exposed- The limestone / shale ratio in Rhotas limestone and shale formation decreases from east to west . The Lower Kaimur Sandstone has a basal grit followed by fine to medium grained proto - to ...
... shale 54+ 66+ -Base not exposed- The limestone / shale ratio in Rhotas limestone and shale formation decreases from east to west . The Lower Kaimur Sandstone has a basal grit followed by fine to medium grained proto - to ...
Page 347
... Shales is formed mainly of chocolate brown shale with varying proportion of greenish grey , slaty grey and olive green shale . Quite often the rock tends to be rather silty shale . Partings and intercalated beds of siltstone and fine ...
... Shales is formed mainly of chocolate brown shale with varying proportion of greenish grey , slaty grey and olive green shale . Quite often the rock tends to be rather silty shale . Partings and intercalated beds of siltstone and fine ...
Contents
Palaeontology and Stratigraphy Division | 7 |
Planning and Training Division | 20 |
Offshore Mineral Exploration and Marine Geology Division | 27 |
Copyright | |
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alignment amphibolite Andhra Pradesh anomaly bands basalt bauxite bed rock Bihar biotite block boreholes carried chalcopyrite charnockite Circle clay collected comprising conglomerate copper cores covered Deccan Trap deposits depth dips Director DISTRICT dolerite dolomite drill holes dykes encountered exploratory exposed fault folds foliation Formation fossils foundation garnetiferous geochemical geological investigations geological mapping Geologists Jr GEOLOGY DIVISION geophysical geotechnical gneiss grade grained granite granite gneiss granulite graphite grey Group hornblende Hydel indicated intrusives Laboratory laterite limestone located logged magnetite mica schist migmatite million tonnes mineralisation minerals nala NW-SE occur Orissa pegmatite phyllite pits plane power house Project proposed pyrite pyrrhotite quartz quartz veins quartzite Quaternary Rajasthan Region river rock types samples sand sandstone Sarvashri scale schist seams sediments sequence shales shear zone Shri Singh Sinha soil spillway sq km strike length studies sulphide surveys terrace thick traverse trending tunnel upto valley varies