Records of the Geological Survey of India, Volume 126, Issues 5-6Vols. 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 i
... mineral targetting , which will become increasingly concept- oriented , as the direct guides for mineral search become less and less scarce . The Peninsular Gneissic Complex ( PGC ) and greenstone / schist belts in Andhra Pradesh and ...
... mineral targetting , which will become increasingly concept- oriented , as the direct guides for mineral search become less and less scarce . The Peninsular Gneissic Complex ( PGC ) and greenstone / schist belts in Andhra Pradesh and ...
Page 53
... minerals or presence of mafic - rich portions . The dominant mineral phases are plagioclase ( oligoclase - andesine ) , microcline , orthoclase , quartz , hornblende and biotite in variable proportions . Other mineral phases include ...
... minerals or presence of mafic - rich portions . The dominant mineral phases are plagioclase ( oligoclase - andesine ) , microcline , orthoclase , quartz , hornblende and biotite in variable proportions . Other mineral phases include ...
Page 233
... Mineral Physics Laboratory extended laboratory support to various field in- vestigations of the Central Region by conducting mineral identification in 117 samples by XRD techniques . The laboratory work was dislocated for about two ...
... Mineral Physics Laboratory extended laboratory support to various field in- vestigations of the Central Region by conducting mineral identification in 117 samples by XRD techniques . The laboratory work was dislocated for about two ...
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Common terms and phrases
acid amphibolite ANDHRA PRADESH anomaly zones axis bands basalt basin biotite biotite gneiss block boreholes charnockite complex Deccan Trap deformation depth DISTRICT dolerite drilling enclaves ENE-WSW exposed feldspar field season flows folds foliation Formation gabbro geochemical GEOLOGICAL MAP Geology Division Geophysical GEOTECHNICAL INVESTIGATIONS gneiss gneissic gold grained granite granite gneiss granitoids granulite grey Group hornblende INDEX indicated intrusives joints KARNATAKA kimberlite laterite lava lineament located mafic magnetite MAHARASHTRA metabasalt migmatite mineral mineralised zone Nagpur Narmada NE-SW NNW-SSE NW-SE occur pahoehoe pegmatite pink granite plagioclase porphyritic pyrite pyroxene granulite pyroxenite quartz quartz veins quartzite Quaternary regional reservoir rhyolite river rock types Sakoli samples sandstone scale schist schist belt schistose sediments shale shear zone soil spillway sq km strike length structures studies sulphide surveys syenite TAMIL NADU thick toposheet traversed trench trending tunnel ultramafic upto valley volcanics width