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 78
Page 51
... flows based on presence of impersistent Type of flow Thickness Flow No. No. 3 ' aa ' 15 m clinkery bottom , middle massive part and persistent frag- mentary top . The middle massive part of these basaltic flows are dark grey , dense and ...
... flows based on presence of impersistent Type of flow Thickness Flow No. No. 3 ' aa ' 15 m clinkery bottom , middle massive part and persistent frag- mentary top . The middle massive part of these basaltic flows are dark grey , dense and ...
Page 53
... flow No. III that is not exposed in the area ) flow I to flow VII between the eleva- tions 693 m and 555 m above M.S.L. The thickness of the Thickness Flow No. Flow type VII ' aa ' Upto 30 m VI ' aa ' flows varies from 5 m to 50 m . All the ...
... flow No. III that is not exposed in the area ) flow I to flow VII between the eleva- tions 693 m and 555 m above M.S.L. The thickness of the Thickness Flow No. Flow type VII ' aa ' Upto 30 m VI ' aa ' flows varies from 5 m to 50 m . All the ...
Page 62
... flows of Deccan Traps . In the area of investigation five basaltic flows are exposed within about 72 m thickness of lava pile between the elevations of 450 m and 522 m from the mean sea level . Out of these five basaltic flows , the ...
... flows of Deccan Traps . In the area of investigation five basaltic flows are exposed within about 72 m thickness of lava pile between the elevations of 450 m and 522 m from the mean sea level . Out of these five basaltic flows , the ...
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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