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 215
... boreholes drilled at the pier locations . From the borehole data , it was inferred that the depth to overburden consisting of medium to coarse - grained sand , varies from 3.0 to 5.5 m except in some boreholes , where the over- burden ...
... boreholes drilled at the pier locations . From the borehole data , it was inferred that the depth to overburden consisting of medium to coarse - grained sand , varies from 3.0 to 5.5 m except in some boreholes , where the over- burden ...
Page 219
... boreholes 3 and 4 suggested the likely presence of a fault occurring somewhere in between them . Permeability tests conducted in the boreholes , in bed rock , showed that moderately weathe- red to fresh rock has low permeability in bore- ...
... boreholes 3 and 4 suggested the likely presence of a fault occurring somewhere in between them . Permeability tests conducted in the boreholes , in bed rock , showed that moderately weathe- red to fresh rock has low permeability in bore- ...
Page 236
... boreholes were drilled ; 13 along the dam axis and 8 on the down stream side . The boreholes drilled on the left abutment and right flank indicated overburden of 0.15 m to 3.92 m thickness below which hard charnockite with bands of ...
... boreholes were drilled ; 13 along the dam axis and 8 on the down stream side . The boreholes drilled on the left abutment and right flank indicated overburden of 0.15 m to 3.92 m thickness below which hard charnockite with bands of ...
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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