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". |
From inside the book
Results 1-3 of 3
Page 4
... pits for gold . △ 1602 Peak height in feet 85 ° 20 ' 85 ° 25 ' Fig . 2. Distribution of gold in different types of samples from the catchment areas of the westerly flowing streams around Goilkera , Singhbhum district , Bihar . about 1 ...
... pits for gold . △ 1602 Peak height in feet 85 ° 20 ' 85 ° 25 ' Fig . 2. Distribution of gold in different types of samples from the catchment areas of the westerly flowing streams around Goilkera , Singhbhum district , Bihar . about 1 ...
Page 6
... pits were observed areas where the quartz veins are abundant . Analysis of vein - quartz samples have shown Au values from trace to 0.1 ppm only ( vide Table - II ) , while the other elements which have recorded some values in these ...
... pits were observed areas where the quartz veins are abundant . Analysis of vein - quartz samples have shown Au values from trace to 0.1 ppm only ( vide Table - II ) , while the other elements which have recorded some values in these ...
Page 7
... pits and rectangular / irregular large depressions often masked with light to dark brownish stains , indicating probably the contacts of associated gangue minerals . Some gold grains are found to be associated with quartz and magnetite ...
... pits and rectangular / irregular large depressions often masked with light to dark brownish stains , indicating probably the contacts of associated gangue minerals . Some gold grains are found to be associated with quartz and magnetite ...
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 | |
3 other sections not shown
Other editions - View all
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