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 27
... places the ores are surrounded by granular and rounded crystals of epidote ( Plate I , Fig . 3 ) . The latter appears to have been formed at the expense of opaque Fe - oxide mineral and plagioclase . A few grains of apatite and sphene ...
... places the ores are surrounded by granular and rounded crystals of epidote ( Plate I , Fig . 3 ) . The latter appears to have been formed at the expense of opaque Fe - oxide mineral and plagioclase . A few grains of apatite and sphene ...
Page 28
... places replace hornblendes . Biotites are deep brown in colour . They are partially replaced by brown chlorite along with the amphiboles . Plagioclase ( An - 1 ) occurs as subhedral or lath- shaped crystals . They are more fresh than ...
... places replace hornblendes . Biotites are deep brown in colour . They are partially replaced by brown chlorite along with the amphiboles . Plagioclase ( An - 1 ) occurs as subhedral or lath- shaped crystals . They are more fresh than ...
Page 50
... place of interest selected ( Plate - I , Fig . 2 ) . The energy dispersive X - Ray analysis of the manganese nodule is shown in two forms , a plot of the spectrum from 0-10 KV ( Figure - 1 ) and also a fully labelled screen dump ...
... place of interest selected ( Plate - I , Fig . 2 ) . The energy dispersive X - Ray analysis of the manganese nodule is shown in two forms , a plot of the spectrum from 0-10 KV ( Figure - 1 ) and also a fully labelled screen dump ...
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