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 60
... intrusives such as dolerite and norite have also been noted . Two major planar structures , viz . , axial plane foliation ( S2 ) , bedding ( S1 ) are observed in some exposures of quartzite . Both mineral and inter- section lineations ...
... intrusives such as dolerite and norite have also been noted . Two major planar structures , viz . , axial plane foliation ( S2 ) , bedding ( S1 ) are observed in some exposures of quartzite . Both mineral and inter- section lineations ...
Page 235
... intrusives . Felspathic biotite quartz schist . -Main Central Thrust- . Basic intrusive ( dolerite ) Tourmaline ... Intrusives in Garwal Group The granitic intrusives which have affected the massive quartzite and the second meta volcanic ...
... intrusives . Felspathic biotite quartz schist . -Main Central Thrust- . Basic intrusive ( dolerite ) Tourmaline ... Intrusives in Garwal Group The granitic intrusives which have affected the massive quartzite and the second meta volcanic ...
Page 237
... intrusive phase of the basic activity is represented in the form of dykes and sills of dolerite associated with the Shali Formation . These intrusives show chilled margin . Baking and silicification of country rock in the vicinity of ...
... intrusive phase of the basic activity is represented in the form of dykes and sills of dolerite associated with the Shali Formation . These intrusives show chilled margin . Baking and silicification of country rock in the vicinity of ...
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