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 15
... colour under the microscope into consideration . Mn - content of jacobsite from different locations of the belt is found to vary in a wide range and is accompanied by the variation of cell dimension , colour and etch behaviour which are ...
... colour under the microscope into consideration . Mn - content of jacobsite from different locations of the belt is found to vary in a wide range and is accompanied by the variation of cell dimension , colour and etch behaviour which are ...
Page 16
... colour of jacobsite from Sadanandapuram locality is reddish brown and its MnO4 mols is 14. The reddish colour is attributed to the Fe rich composition . Etch behaviour of jacobsites was studied by Roy ( 1959 , 1981 ) who concluded that ...
... colour of jacobsite from Sadanandapuram locality is reddish brown and its MnO4 mols is 14. The reddish colour is attributed to the Fe rich composition . Etch behaviour of jacobsites was studied by Roy ( 1959 , 1981 ) who concluded that ...
Page 51
... colours , known as ' Digimap ' is becoming popular for convenience in interpretation work of X - Ray analysis . Attempts are being made to retain and reproduce original colour of the samples under SEM study . Preservation of images and ...
... colours , known as ' Digimap ' is becoming popular for convenience in interpretation work of X - Ray analysis . Attempts are being made to retain and reproduce original colour of the samples under SEM study . Preservation of images and ...
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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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