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 6
... attached with the heavies because of incomplete separation by fluvial action . The gold grains recovered from this area vary in size from 0.5 mm to 2.5 mm with some occasional bigger grains . These grains are generally flaky to tabular ...
... attached with the heavies because of incomplete separation by fluvial action . The gold grains recovered from this area vary in size from 0.5 mm to 2.5 mm with some occasional bigger grains . These grains are generally flaky to tabular ...
Page 7
... attached with some heavies . A few gold grains are generally found in association with the heavy minerals . Normally gold grains are of two types , the one upto 0.5 mm and the other 1 to 2 mm or slightly bigger . The finer sized gold ...
... attached with some heavies . A few gold grains are generally found in association with the heavy minerals . Normally gold grains are of two types , the one upto 0.5 mm and the other 1 to 2 mm or slightly bigger . The finer sized gold ...
Page 44
... attached to an SEM for quantiative chemical analysis comparable to EPMA results . Semifocussing WD method is more suitable for X - Ray analysis of uneven geological samples in SEM . It is easier to orient the detecting crystals which do ...
... attached to an SEM for quantiative chemical analysis comparable to EPMA results . Semifocussing WD method is more suitable for X - Ray analysis of uneven geological samples in SEM . It is easier to orient the detecting crystals which do ...
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 |
Copyright | |
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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