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 60
... occur numerous peg- matites and quartz veins . Chromite most commonly occurs as lenses , veins , pockets and layers and less commonly as dissemina- tions within the serpentinite and pyroxenite . At places , as at Loya quarry No.2 ...
... occur numerous peg- matites and quartz veins . Chromite most commonly occurs as lenses , veins , pockets and layers and less commonly as dissemina- tions within the serpentinite and pyroxenite . At places , as at Loya quarry No.2 ...
Page 98
... occur within this zone , varying in width from 20 to 50 cm . The zone has an outcrop width of 1 to 5 m . Sulphides occur as thin stringers , mostly at the contact of the quartz vein with the schistose rocks . Fractures are developed at ...
... occur within this zone , varying in width from 20 to 50 cm . The zone has an outcrop width of 1 to 5 m . Sulphides occur as thin stringers , mostly at the contact of the quartz vein with the schistose rocks . Fractures are developed at ...
Page 167
... occur- ring as detached concordant enclaves within epidote - hornblende gneiss shows alteration to amphibolite . Dunite , syenite and carbonatite occur as younger intrusives within the metapyroxenite , showing sharp contact . Syenite occurs ...
... occur- ring as detached concordant enclaves within epidote - hornblende gneiss shows alteration to amphibolite . Dunite , syenite and carbonatite occur as younger intrusives within the metapyroxenite , showing sharp contact . Syenite 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