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 138
... hornblende - biotite gneiss . The grey granitic gneiss , which is well- foliated and rich in hornblende and allanite , occurs as small mounds / knolls in the northern part of the area around Kunnakkudi and southeast of Ukkalattanpatti ...
... hornblende - biotite gneiss . The grey granitic gneiss , which is well- foliated and rich in hornblende and allanite , occurs as small mounds / knolls in the northern part of the area around Kunnakkudi and southeast of Ukkalattanpatti ...
Page 148
... hornblende- biotite gneisses in many places . Harur and Alangayam areas were identified as possible economic prospects for molybdenum . Possibility of workable apatite deposits , gold mineralisation in ankeritised ultramafites traversed ...
... hornblende- biotite gneisses in many places . Harur and Alangayam areas were identified as possible economic prospects for molybdenum . Possibility of workable apatite deposits , gold mineralisation in ankeritised ultramafites traversed ...
Page 167
... hornblende gneiss , epidote - hornblende gneiss , silicified cherty quartzite ( Q , ) , dunite , syenite , carbonatite , syenite - pegmatite , quartz vein ( Q2 ) and basic intrusive . Metapyroxenite forms a ring - like body and occurs ...
... hornblende gneiss , epidote - hornblende gneiss , silicified cherty quartzite ( Q , ) , dunite , syenite , carbonatite , syenite - pegmatite , quartz vein ( Q2 ) and basic intrusive . Metapyroxenite forms a ring - like body and occurs ...
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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