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 24
... . Bull . Amer . Mus . Nat . Hist . , LVI . pp . 555-557 . Manuscript received on 6.4.1983 . Modified manuscript received on 30.7.1983 . ance in the field gives little evidence of their origin 24 S. BISWAS & D. C. DASSARMA.
... . Bull . Amer . Mus . Nat . Hist . , LVI . pp . 555-557 . Manuscript received on 6.4.1983 . Modified manuscript received on 30.7.1983 . ance in the field gives little evidence of their origin 24 S. BISWAS & D. C. DASSARMA.
Page 61
... evidence of metamorphism and tectonic disturbance . This is highly significant in this area where some rocks have undergone metamorphism under granulite facies conditions . ( 6 ) Exsolution perthite is common in the syenitic rocks ...
... evidence of metamorphism and tectonic disturbance . This is highly significant in this area where some rocks have undergone metamorphism under granulite facies conditions . ( 6 ) Exsolution perthite is common in the syenitic rocks ...
Page 70
... evidence of an igneous parentage , do not belong to a common source . ( 2 ) The mineral parageneses are compatible with the greenschist facies . ( 3 ) The massive amphibolites show relict sub - ophitic texture , and 5- ΑΙ 5 Si 10 3 15 ...
... evidence of an igneous parentage , do not belong to a common source . ( 2 ) The mineral parageneses are compatible with the greenschist facies . ( 3 ) The massive amphibolites show relict sub - ophitic texture , and 5- ΑΙ 5 Si 10 3 15 ...
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