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 125
... gneisses is NW - SE to NNW - SSE with steep dips . The granotes and dykes show well developed longitudinal and cross joints . Banded magnetite quartzite , hornblende schist and the grey biotite gneiss represent the metamorphosed ...
... gneisses is NW - SE to NNW - SSE with steep dips . The granotes and dykes show well developed longitudinal and cross joints . Banded magnetite quartzite , hornblende schist and the grey biotite gneiss represent the metamorphosed ...
Page 127
... gneisses with minor bands of hypersthene - diopside granulite . Dykes of gabbro trending in N45 ° W and dykes of dolerite trendini N20 ° W to N60 ° W traverse the charnockite rocks . Hypersthene gneiss , hornblende granulites and biotite ...
... gneisses with minor bands of hypersthene - diopside granulite . Dykes of gabbro trending in N45 ° W and dykes of dolerite trendini N20 ° W to N60 ° W traverse the charnockite rocks . Hypersthene gneiss , hornblende granulites and biotite ...
Page 130
... gneiss is exposed . The gneisses are folded and show minor isoclines . The foliation is ENE with dips ranging from 50 ° to 70 ° towards north . They have been injected by grey granite which is aplitic . Two types of pyroxene gneiss are ...
... gneiss is exposed . The gneisses are folded and show minor isoclines . The foliation is ENE with dips ranging from 50 ° to 70 ° towards north . They have been injected by grey granite which is aplitic . Two types of pyroxene gneiss are ...
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