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
... TION IN PARTS OF SINGHBHUM AND RANCHI DISTRICTS , BIHAR , INDIA C. BHATTACHARYA , A. K. TALAPATRA AND S. S. BOSE Geological Survey of India ABSTRACT Occurrence of native gold within vein - quartz as well as in stream sediments were ...
... TION IN PARTS OF SINGHBHUM AND RANCHI DISTRICTS , BIHAR , INDIA C. BHATTACHARYA , A. K. TALAPATRA AND S. S. BOSE Geological Survey of India ABSTRACT Occurrence of native gold within vein - quartz as well as in stream sediments were ...
Page 44
... tion of the beam with respect to the crystal lattice . This , known as Electron channelling pattern ( ECP ) , can be produced in an SEM under set conditions : and the ECP contrast can also be utilized for microcrystalline orienta- tion ...
... tion of the beam with respect to the crystal lattice . This , known as Electron channelling pattern ( ECP ) , can be produced in an SEM under set conditions : and the ECP contrast can also be utilized for microcrystalline orienta- tion ...
Page 64
... tion . The older age to this zone such as Barakar cannot be ruled out ( Sah and Shah , 1974 , p . 449 ) . Sah and Maheshwari ( 1969 ) considered ' Barakar age ' to this floral assemblage . Ball ( 1877 , in the map of the Pachwara ...
... tion . The older age to this zone such as Barakar cannot be ruled out ( Sah and Shah , 1974 , p . 449 ) . Sah and Maheshwari ( 1969 ) considered ' Barakar age ' to this floral assemblage . Ball ( 1877 , in the map of the Pachwara ...
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