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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Results 1-3 of 83
Page 131
... Pink granite / gneiss / pegmatoidal granite Grey Migmatite | Grey hornblende - biotite Charnockite Group Khondalite gneiss / migmatite Pyroxene granulite Magnetite quartzite ( rubbles ) Charnockite ± garnet Leptynie ( garnetiferous ...
... Pink granite / gneiss / pegmatoidal granite Grey Migmatite | Grey hornblende - biotite Charnockite Group Khondalite gneiss / migmatite Pyroxene granulite Magnetite quartzite ( rubbles ) Charnockite ± garnet Leptynie ( garnetiferous ...
Page 133
... pink granite is due to rheomorphism / anatexis of preexisting rocks . In the eastern part of the area , a prominent NNE - SSW trending epidotised zone could be traced between Tandarai and Aruddirapattu . This zone is highly fractured ...
... pink granite is due to rheomorphism / anatexis of preexisting rocks . In the eastern part of the area , a prominent NNE - SSW trending epidotised zone could be traced between Tandarai and Aruddirapattu . This zone is highly fractured ...
Page 143
... pink granite emplacement post dates the acid charnockite intrusion in the DSRZ and affects the marginal sequences , PNG association and acid charno- ckite , producing agmatitic zones with more mafic members and pink migmatititc gneisses ...
... pink granite emplacement post dates the acid charnockite intrusion in the DSRZ and affects the marginal sequences , PNG association and acid charno- ckite , producing agmatitic zones with more mafic members and pink migmatititc gneisses ...
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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