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 130
... bands and lenses of altered ultramafic rocks represented by steatite and talc chlorite rocks are seen within the migmatites . The strike of foliation of rocks is NNE with normally steep easterly dip . Selvan made four traverses in ...
... bands and lenses of altered ultramafic rocks represented by steatite and talc chlorite rocks are seen within the migmatites . The strike of foliation of rocks is NNE with normally steep easterly dip . Selvan made four traverses in ...
Page 199
... bands of graphite schist were delineated . A total 390 Cu m of trenching was carried out at 200 m interval across the strike of the formations to expose the graphite bands . One band streches over a strike length of about 800 m ...
... bands of graphite schist were delineated . A total 390 Cu m of trenching was carried out at 200 m interval across the strike of the formations to expose the graphite bands . One band streches over a strike length of about 800 m ...
Page 247
... bands of pebbly limestone and pebble beds Lower Member : Conglomerate and grit with purple and green shale , sandstone arkose , calcareous grit and shale with gastropods and lamel- libranchs Upper Member : Shale , grit , coralline ...
... bands of pebbly limestone and pebble beds Lower Member : Conglomerate and grit with purple and green shale , sandstone arkose , calcareous grit and shale with gastropods and lamel- libranchs Upper Member : Shale , grit , coralline ...
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