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 79
Page 48
... units . Unit's number vary from section to section . Porphyricity also varies . Middle massive parts of the units are medium grained and aphyric to sparsely porphyritic . Vesicular bottom with or without pipe amygdules . IV ' aa ' 5 to ...
... units . Unit's number vary from section to section . Porphyricity also varies . Middle massive parts of the units are medium grained and aphyric to sparsely porphyritic . Vesicular bottom with or without pipe amygdules . IV ' aa ' 5 to ...
Page 79
... units , fine grained pahoehoe non - porphyritic with ( Cph ) altered glassy patches 7 units , upper contact abrupt break - in - slope , glome- roporphyritic with 1 cm size plagioclase laths , basal units contain olivine phenocrysts . 20-25 ...
... units , fine grained pahoehoe non - porphyritic with ( Cph ) altered glassy patches 7 units , upper contact abrupt break - in - slope , glome- roporphyritic with 1 cm size plagioclase laths , basal units contain olivine phenocrysts . 20-25 ...
Page 232
... units of the laboratory were shifted to the new complex . The down period was least and the output of the laboratory maintained at normal level in spite of the dislocation during shifting and subsequent installation of the units in the ...
... units of the laboratory were shifted to the new complex . The down period was least and the output of the laboratory maintained at normal level in spite of the dislocation during shifting and subsequent installation of the units in 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