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 197
... pegmatite bodies , near ( 27 ° 15 ' : 76 ° 56'40 ' ) and Gar ( 27 ° 09 ' : 76 ° 52'30 ' ) may yield K - felspar in commercial quality . The Sanokha pegmatite contain quartz and K - felds- par and is of lensoid shape having exposed ...
... pegmatite bodies , near ( 27 ° 15 ' : 76 ° 56'40 ' ) and Gar ( 27 ° 09 ' : 76 ° 52'30 ' ) may yield K - felspar in commercial quality . The Sanokha pegmatite contain quartz and K - felds- par and is of lensoid shape having exposed ...
Page 209
... pegmatite and dolerite comprise the foundation rock . Geological mapping on 1 : 120 scale was carried out for part ... pegmatite veins and an E - W trending 1.5 m wide near vertical shear zone . The pegmatite veins at places are highly ...
... pegmatite and dolerite comprise the foundation rock . Geological mapping on 1 : 120 scale was carried out for part ... pegmatite veins and an E - W trending 1.5 m wide near vertical shear zone . The pegmatite veins at places are highly ...
Page 233
... pegmatite , granite porphyry , quartz reef , dolerite and lamprophyre . Veins of of secondary minerals mostly of epidote and quartz are present in this complex . In south - western part of 54L / 10 , basalt trap ( 1 km X 1.5 km ) is ...
... pegmatite , granite porphyry , quartz reef , dolerite and lamprophyre . Veins of of secondary minerals mostly of epidote and quartz are present in this complex . In south - western part of 54L / 10 , basalt trap ( 1 km X 1.5 km ) is ...
Contents
Offshore Mineral Exploration and Marine Geology Division | 27 |
Central Chemical Laboratory | 44 |
COAL WING | 52 |
Copyright | |
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alignment amphibolite Andhra Pradesh anomaly Asstt 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 exploration exploratory exposed fault folds foliation Formation foundation garnetiferous geochemical geological mapping Geologists Jr GEOLOGY DIVISION geophysical geotechnical gneiss grade grained granite granite gneiss graphite grey Group Gupta Hydel indicated intrusives laboratory laterite limestone located logged magnetite mica schist migmatite million tonnes mineralisation minerals Murthy nala NW-SE occur Orissa pegmatite phyllite pits plane porphyritic power house Pradesh Project proposed pyrite 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 thick traverse trending tunnel upto valley varies Verma