Records of the Geological Survey of India, Volume 114Geological Survey of India, 1979 - Earthquakes 1867- includes the "Annual report of the Geological survey of India". |
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Page 6
... vein- quartz were collected from ten different localities . A few samples of country rocks were also collected from areas where the quartz veins are abundant . Analysis of vein - quartz samples have shown Au values from trace to 0.1 ppm ...
... vein- quartz were collected from ten different localities . A few samples of country rocks were also collected from areas where the quartz veins are abundant . Analysis of vein - quartz samples have shown Au values from trace to 0.1 ppm ...
Page 8
... vein - quartz . The exact source of alluvial placer gold trapped within the channel sands of this valley could not be identified yet , though the innumerable quartz - veins present in this area are likely to act as carriers of native ...
... vein - quartz . The exact source of alluvial placer gold trapped within the channel sands of this valley could not be identified yet , though the innumerable quartz - veins present in this area are likely to act as carriers of native ...
Page 33
... veins Pegmatites and quartz veins Dolerite Metadolerite and pyroxinite Porphyritic granite Augen gneiss Augen gneiss , porphyroblastic Granite gneiss , gneiss , migmatites , composite gneisses etc. Basic and ultrabasic rocks Migmatite ...
... veins Pegmatites and quartz veins Dolerite Metadolerite and pyroxinite Porphyritic granite Augen gneiss Augen gneiss , porphyroblastic Granite gneiss , gneiss , migmatites , composite gneisses etc. Basic and ultrabasic rocks Migmatite ...
Contents
Integrated Geochemical Approach for Tracing Gold Mineralisation in Parts of | 1 |
On Jacobsites from Vizianagaram Manganese Belt of Eastern Ghats Andhra | 15 |
Fossil Hippopotamus from Quaternary Alluvial Deposits of Narmada Valley | 17 |
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Common terms and phrases
actinolite amphiboles amphibolites analysis Archaean assemblage BANKURA DISTRICT Barakar Barakar Formation basement bedrock samples Bihar biotite boreholes calcite catchment area Chakradharpur chemical Chittorgarh coarse colour composition country rocks crystals Dassarma deposit Dubrajpur Dubrajpur Formation Electron elements epidiorites fossils geochemical Geol Geological Survey Ghose gneiss Goilkera granite gneiss GSI Type Hippopotamus hornblende hornblende schist host rock jacobsite Kharswan Khatangi hill section lithological magnetite manganese Manuscript received massive amphibolites McCluskieganj meta-basic rocks metamorphic metres mineralisation minerals namadicus Narmada nepheline syenite Nimbahera Nimbahera limestone occur palaeindicus phyllitic plagioclase Plate present area quartz Quartzite Quaternary Rajmahal Hills Records Vol river Rupatganj Sah and Shah Sawa schist schistose schistose amphibolite sediments shale Singhbhum Singhbhum Shear Zone specimens stratigraphic stream sediment-concentrate samples sulphide Surv Survey of India Table-II Talapatra texture values vein-quartz veins Vindhyan West Bengal X-Ray Λ Λ