Records of the Geological Survey of India, Volume 114Geological Survey of India, 1984 - Earthquakes 1867- includes the "Annual report of the Geological survey of India". |
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Page 1
... traverse the country rocks , and fine specks of gold from the channel sands are recovered by the local people . Although the quartz veins are the likely carriers of native gold , the exact source of this alluvial placer gold trapped in ...
... traverse the country rocks , and fine specks of gold from the channel sands are recovered by the local people . Although the quartz veins are the likely carriers of native gold , the exact source of this alluvial placer gold trapped in ...
Page 8
... traverse the country rocks . In these areas considerable amount of fine specks and grains of gold are recovered from the channel sands . On analy- sis , chip samples of vein quartz have not indicated the presence of gold excepting in ...
... traverse the country rocks . In these areas considerable amount of fine specks and grains of gold are recovered from the channel sands . On analy- sis , chip samples of vein quartz have not indicated the presence of gold excepting in ...
Contents
Integrated Geochemical Approach for Tracing Gold Mineralisation in Parts | 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 amphibolite analysis ARCHAEAN assemblage associated BANKURA DISTRICT Barakar basement bedrock samples Bihar Biotite boreholes catchment area Chakradharpur chemical colour composition country rocks crystals Dassarma Dolerite Domuhan river Dubrajpur Dubrajpur Formation Electron elements epidiorites geochemical Geol Geological Survey Ghose gneiss Goilkera gold grains Granite gneiss green GSI Type Haast river Hippopotamus hornblende hornblende schist host rock igneous jacobsite Kharswan strip Khatangi hill section magnetite manganese Manuscript received massive amphibolite Mayapur McCluskieganj meta-basic rocks metamorphic metres south mica schists mineralisation minerals namadicus Narmada Neogene nepheline syenite occur palaeindicus Pegmatite pelite phyllites plagioclase Porphyritic present area quartz Quartzite Quaternary ratios Rupatganj 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 three strips values vein-quartz veins West Bengal X-Ray