Records of the Geological Survey of India, Volume 108Geological Survey of India, 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 393
... bands varies between 3 m to 6 m and the siltstone bands vary in thickness from a few cm to 40 cm . The siltstone bands exhibit depositional features such as compositional banding , fine lamination etc. The siltstones and fine grained ...
... bands varies between 3 m to 6 m and the siltstone bands vary in thickness from a few cm to 40 cm . The siltstone bands exhibit depositional features such as compositional banding , fine lamination etc. The siltstones and fine grained ...
Contents
Map Division | 32 |
Publication Division | 41 |
Drilling Division | 48 |
Copyright | |
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Common terms and phrases
alignment amphibolite Andhra Pradesh anomaly Asstt bands basalt bauxite bed rock biotite biotite gneiss block boreholes chalcopyrite charnockite Circle clay comprising conglomerate cores covered Cuddapah Deccan Trap deposits depth dips Director DISTRICT dolerite dolomite drill holes dykes encountered exposed fault folds foliation Formation foundation garnetiferous geochemical geological mapping Geologists Jr GEOLOGY DIVISION geophysical geotechnical gneiss grade grained granite granite gneiss granulite graphite grey Group hornblende indicated intrusives investigation Karnataka Kerala laboratory laterite limestone located logged magnetite metres mica schist migmatite million tonnes mineralisation minerals Murthy nala NW-SE occur officers Orissa pegmatite phyllite pits porphyritic power house Project proposed pyrite pyrrhotite quartz quartz veins quartzite Quaternary 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 taluks thick traverse trending tunnel upto valley varies