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 37
... igneous rocks or even to basic tuffs under metamorphic condition . Whereas others believe that these are either ... igneous trend of Karroo dolerites ( Figs . 13 and 14 ) . The hornblende schist is comparable to early differentiates ...
... igneous rocks or even to basic tuffs under metamorphic condition . Whereas others believe that these are either ... igneous trend of Karroo dolerites ( Figs . 13 and 14 ) . The hornblende schist is comparable to early differentiates ...
Page 39
... Igneous field (. Na / K ( rock ) .10 15 15 Na / K ( plagioclase ) Fig.12 . Showing relation between Naik ratios of plagioclase and the host rock . ( key as in fig - 10 1 Dolomite 30 20 0 100 mg Earty basic igneous rocks 10 90 00 00 oo of ...
... Igneous field (. Na / K ( rock ) .10 15 15 Na / K ( plagioclase ) Fig.12 . Showing relation between Naik ratios of plagioclase and the host rock . ( key as in fig - 10 1 Dolomite 30 20 0 100 mg Earty basic igneous rocks 10 90 00 00 oo of ...
Page 69
... igneous ( ortho ) and sedimentary ( para ) origin . Advocates of the former ( Evans and Leake , 1960 ; Engel 1976 ; Kamenicky , 1978 and others ) relate them to be recrystallized product of common basic igneous rocks or even to basic ...
... igneous ( ortho ) and sedimentary ( para ) origin . Advocates of the former ( Evans and Leake , 1960 ; Engel 1976 ; Kamenicky , 1978 and others ) relate them to be recrystallized product of common basic igneous rocks or even to basic ...
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