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 13
... Grey / pink granite and migmatite ( M2 ) Grey , coarse - grained hornblende - biotite gneiss ( dominantly streaky and at places , banded ) and migmatite ( M1 ) with enclaves of supracrustals . Banded iron formation ( BIF ) , quartz ...
... Grey / pink granite and migmatite ( M2 ) Grey , coarse - grained hornblende - biotite gneiss ( dominantly streaky and at places , banded ) and migmatite ( M1 ) with enclaves of supracrustals . Banded iron formation ( BIF ) , quartz ...
Page 131
... Grey Migmatite | Grey hornblende - biotite Charnockite Group Khondalite gneiss / migmatite Pyroxene granulite Magnetite quartzite ( rubbles ) Charnockite ± garnet Leptynie ( garnetiferous quartzo- feldspathic gneiss ) The northern part ...
... Grey Migmatite | Grey hornblende - biotite Charnockite Group Khondalite gneiss / migmatite Pyroxene granulite Magnetite quartzite ( rubbles ) Charnockite ± garnet Leptynie ( garnetiferous quartzo- feldspathic gneiss ) The northern part ...
Page 93
... grey and buff coloured dolomite 4 Light grey dolomite , dark grey dolomite & chert interband 5 Dark grey dolomite Sandylenses / Intense solution infilling 14 15 LBH - 65 LBH - 63 ⚫ d of her OLBH - 68077 LBH - 52 LBH97 & -4200 3 LBH ...
... grey and buff coloured dolomite 4 Light grey dolomite , dark grey dolomite & chert interband 5 Dark grey dolomite Sandylenses / Intense solution infilling 14 15 LBH - 65 LBH - 63 ⚫ d of her OLBH - 68077 LBH - 52 LBH97 & -4200 3 LBH ...
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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