Records of the Geological Survey of India, Volume 111The Survey, 1982 - 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 71
... migmatite and schistose rocks varies from E - W to WNW - ESE with dip ranging from of 50 ° to 80 ° on either side ( but mostly northerly ) . At least two phases of folding is seen in the migmatites . The contact of the Vindhyan and the ...
... migmatite and schistose rocks varies from E - W to WNW - ESE with dip ranging from of 50 ° to 80 ° on either side ( but mostly northerly ) . At least two phases of folding is seen in the migmatites . The contact of the Vindhyan and the ...
Page 179
... migmatites ( ii ) rocks belonging to Charnockite and Khondalite Groups ( iii ) Members of a layered complex viz . , anor- thosite , gabbro , chromiferous pyroxenite and chromitite and ( iv ) metadolerite dykes . Members of the layered ...
... migmatites ( ii ) rocks belonging to Charnockite and Khondalite Groups ( iii ) Members of a layered complex viz . , anor- thosite , gabbro , chromiferous pyroxenite and chromitite and ( iv ) metadolerite dykes . Members of the layered ...
Page 183
... migmatite which is porphyritic along some well developed zones . Two generations of dolerite dykes cutting across the migmatites along E - W direction have been observed . At a few places around Gudiyattam the migmatites carry a few ...
... migmatite which is porphyritic along some well developed zones . Two generations of dolerite dykes cutting across the migmatites along E - W direction have been observed . At a few places around Gudiyattam the migmatites carry a few ...
Contents
ENGINEERING AND TRANSPORT DIVISION | 1 |
GEOSCIENCE DATA CENTRE | 9 |
WESTERN REGION | 17 |
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alignment amphibolite analysis Andhra Pradesh anomaly zone bands basalt basin bauxite bed rock Bihar biotite block boreholes carried out geological chalcopyrite Circle clay coal comprising Deccan Trap delineated deposits depth dipping Director dist district Division drill cores drill holes excavation fault folds Formation fossils geochemical geological mapping Geologist Geophysical surveys geotechnical geothermal glacier gneiss Gondwana grade Group grouting Headquarters indicated investigation laboratory laterite limestone line km located logged Madhya Pradesh magnetic magnetite Meghalaya metres mica schist migmatites million tonnes mineralisation minerals nala NE-SW NW-SE occurs Orissa pegmatite phyllite pits power house Project proposed pyrite quartz quartz veins quartzite Rajasthan regional resistivity river rock types S/Shri samples were collected sand sandstone Sarvashri scale schist seams sediments seismic shale shear zone Shri sillimanite soil spillway sq km strike length studies sulphide thickness tion Toposheet traverse trending tunnel upto Valley varying Vindhyan