Records of the Geological Survey of India, Volume 127, Parts 5-6The Survey, 1994 - Earthquakes Vols. 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 14
... basalt Sparsely porphyritic basalt. Rec . Vol . 127 Pt.6 Norm calculation shows that these basalts are quartz normative basalts . In varia - tion diagram , these fall in tholeiitic basalt region . Rocks of the area show no major ...
... basalt Sparsely porphyritic basalt. Rec . Vol . 127 Pt.6 Norm calculation shows that these basalts are quartz normative basalts . In varia - tion diagram , these fall in tholeiitic basalt region . Rocks of the area show no major ...
Page 65
... basalt to brown to brownish grey porphyritic basalt and amygdular basalt . The RQD values , except for some fractured reaches , are generally high ( 79 to 95 ) . Horizontal joints and fractures are very common . Water percolation tests ...
... basalt to brown to brownish grey porphyritic basalt and amygdular basalt . The RQD values , except for some fractured reaches , are generally high ( 79 to 95 ) . Horizontal joints and fractures are very common . Water percolation tests ...
Page 81
... basalt flows ( Deccan trap ) with sub - horizontal disposition form the lithological assemblage at the dam site . A thick ( 13.20 m ) overburden consisting of alluvial fill is noted on the right bank ; bed rock as well as fresh rock ...
... basalt flows ( Deccan trap ) with sub - horizontal disposition form the lithological assemblage at the dam site . A thick ( 13.20 m ) overburden consisting of alluvial fill is noted on the right bank ; bed rock as well as fresh rock ...
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Common terms and phrases
acid alignment amphibolite analysed ANDHRA PRADESH anomaly bands basalt basic basin biotite biotite gneiss block boreholes calc-silicate charnockite chert chlorite Deccan Trap deformation depth dips DISTRICT dolerite drilling dykes enclaves ENE-WSW excavation exposed flows folds foliation Formation fractures gabbro garnet garnetiferous geochemical GEOLOGICAL MAP geophysical gneiss gneissic gold Gondwana granite granite gneiss granitoids granulite grey Group hornblende indicated intrusives joints KARNATAKA kimberlite laterite lineament located magnetite magnetite quartzite MAHARASHTRA metabasalt migmatite mineral mineralised zone NE-SW NNW-SSE NW-SE occur pegmatite phyllite pink granite porphyritic PRADESH Code Project pyrite pyroxene pyroxene granulite pyroxenite quartz quartz veins quartzite quartzo-feldspathic Quaternary regional reservoir river rock types Sakoli samples sandstone scale schist schist belt schistose sediments shale shear zone slope soil sq km sq.km strike length studies sulphide Supergroup surveys TAMIL NADU thick toposheet traverse trench trending tunnel upto values volcanics width के