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 243
... basic igneous rocks . The basic intrusions appear to be later than the acidic ones . The acidic phase is most dominent in the eastern sector of the Nailchami Gad while the intrusive basic phase represented by irregular sills and dykes ...
... basic igneous rocks . The basic intrusions appear to be later than the acidic ones . The acidic phase is most dominent in the eastern sector of the Nailchami Gad while the intrusive basic phase represented by irregular sills and dykes ...
Page 278
... basic rock ( 30 ° 31′06 ′′ : 77 ° 56′15 ′′ ; 53F / 14 ) for the generation of 300 MW of power . The basic rock is generally coarse grained and highly jointed . At its contacts with the over- lying and underlying Chandpur phyllites the basic ...
... basic rock ( 30 ° 31′06 ′′ : 77 ° 56′15 ′′ ; 53F / 14 ) for the generation of 300 MW of power . The basic rock is generally coarse grained and highly jointed . At its contacts with the over- lying and underlying Chandpur phyllites the basic ...
Page 284
... basic rocks of the Central Crystalline , at the dam site and in a part of the tunnel alignment . Quartzites and basic rocks of the Garhwal Group are ex- posed in the remaining length of the tunnel and at the power house site . The ...
... basic rocks of the Central Crystalline , at the dam site and in a part of the tunnel alignment . Quartzites and basic rocks of the Garhwal Group are ex- posed in the remaining length of the tunnel and at the power house site . The ...
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