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 ii
... gold and diamond in Andhra Pradesh , gold in Karnataka and molybdenum in Tamil Nadu . In all , 42 mineral investigations were taken up and the highlights of these exploration activities are enumerated below : GOLD Andhra Pradesh ...
... gold and diamond in Andhra Pradesh , gold in Karnataka and molybdenum in Tamil Nadu . In all , 42 mineral investigations were taken up and the highlights of these exploration activities are enumerated below : GOLD Andhra Pradesh ...
Page 33
... gold in Jonnagiri schist belt was taken up on the basis of the reported occurrence of ancient working supposed to have been worked for gold . The objective of the work was to assess the nature and extent of gold mineralisation , if any ...
... gold in Jonnagiri schist belt was taken up on the basis of the reported occurrence of ancient working supposed to have been worked for gold . The objective of the work was to assess the nature and extent of gold mineralisation , if any ...
Page 91
... gold value . Investigation for gold in Bellara area was taken up with a view to reassess the abandoned gold mine which was worked earlier down to a depth of 400 ft ( 122 m ) below the surface . Detailed geological mapping was carried ...
... gold value . Investigation for gold in Bellara area was taken up with a view to reassess the abandoned gold mine which was worked earlier down to a depth of 400 ft ( 122 m ) below the surface . Detailed geological mapping was carried ...
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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