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 195
... phyllites , phyllites and marble of Ajabgarh Group of Delhi Supergroup . Surface expressions of mineralisation include old workings , and mala- chite and azurite staining gossan and slug dumps . Geochemical survey indi- cated high ...
... phyllites , phyllites and marble of Ajabgarh Group of Delhi Supergroup . Surface expressions of mineralisation include old workings , and mala- chite and azurite staining gossan and slug dumps . Geochemical survey indi- cated high ...
Page 235
... phyllite . The northern contact of the Champawat granodiorite with phyllites is sharp and faulted at places and development of phyllonite is observed here . Unlike southern contact there is not much metasomatic effect . The grade of ...
... phyllite . The northern contact of the Champawat granodiorite with phyllites is sharp and faulted at places and development of phyllonite is observed here . Unlike southern contact there is not much metasomatic effect . The grade of ...
Page 245
... phyllites , gneissose quartzite , gneissic granite and porphyroblastic quartz - biotite gneiss . The entire sequence of Purola Sheet from gneiss , exposed near Krishna ( 30 ° 48 ' : 78 ° 10′30 ′′ ) to porphyroblastic quartz - biotite ...
... phyllites , gneissose quartzite , gneissic granite and porphyroblastic quartz - biotite gneiss . The entire sequence of Purola Sheet from gneiss , exposed near Krishna ( 30 ° 48 ' : 78 ° 10′30 ′′ ) to porphyroblastic quartz - biotite ...
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