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 5
... magnetic fraction of these sam- ples always outweighed the non - magnetic fraction by a ratio ranging upto 10 : 1. The non - magnetic fraction 85 40 ' 22 55 ' 22 50 1/2 0 2 Miles 1/2 0 3 Km 2856 23-207 Pato helo X160 / 79 161/79 163 ...
... magnetic fraction of these sam- ples always outweighed the non - magnetic fraction by a ratio ranging upto 10 : 1. The non - magnetic fraction 85 40 ' 22 55 ' 22 50 1/2 0 2 Miles 1/2 0 3 Km 2856 23-207 Pato helo X160 / 79 161/79 163 ...
Page 6
... magnetic fraction always outweighed non- magnetic fraction almost in similar ratios as recorded in the samples of Goilkera area . The magnetic fractions consist of mostly magnetite with minor amout of ilmenite and ( ? ) pyrrhotite . The ...
... magnetic fraction always outweighed non- magnetic fraction almost in similar ratios as recorded in the samples of Goilkera area . The magnetic fractions consist of mostly magnetite with minor amout of ilmenite and ( ? ) pyrrhotite . The ...
Page 7
... magnetic fraction generally comprises of euhedral to subhedral garnet , chromite , kyanite , feldspar , fluorite ( ? ) , tourmaline , pyroxene , amphibole , etc. Occasionally lighter mineral grains like quartz are generally found to ...
... magnetic fraction generally comprises of euhedral to subhedral garnet , chromite , kyanite , feldspar , fluorite ( ? ) , tourmaline , pyroxene , amphibole , etc. Occasionally lighter mineral grains like quartz are generally found to ...
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