Records of the Geological Survey of India, Volume 114Geological Survey of India, 1979 - Earthquakes 1867- includes the "Annual report of the Geological survey of India". |
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Page 26
... AMPHIBOLITES Within the metasediments and granitic rocks of the present area several amphibolite outcrops have been recorded . They are widely distributed and occur as isola- ted patches or frequently as bands along the regional E- W ...
... AMPHIBOLITES Within the metasediments and granitic rocks of the present area several amphibolite outcrops have been recorded . They are widely distributed and occur as isola- ted patches or frequently as bands along the regional E- W ...
Page 27
... amphibolites , mostly as inclusions in the major constituents . The schistose amphibolites are richer in silica , alumina and potash content than the other metabasic rocks ( Table - III ) . They are depleted in ferrous iron , soda and ...
... amphibolites , mostly as inclusions in the major constituents . The schistose amphibolites are richer in silica , alumina and potash content than the other metabasic rocks ( Table - III ) . They are depleted in ferrous iron , soda and ...
Page 38
... amphibolites with mineral assemblages of the greenschist facies and the absence of any felsic band rules out the possibility of their derivation by metamorphic differentiation . TABLE - V Partial Chemical Analyses of Plagioclase from ...
... amphibolites with mineral assemblages of the greenschist facies and the absence of any felsic band rules out the possibility of their derivation by metamorphic differentiation . TABLE - V Partial Chemical Analyses of Plagioclase from ...
Contents
Integrated Geochemical Approach for Tracing Gold Mineralisation in Parts of | 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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Common terms and phrases
actinolite amphiboles amphibolites analysis Archaean assemblage BANKURA DISTRICT Barakar Barakar Formation basement bedrock samples Bihar biotite boreholes calcite catchment area Chakradharpur chemical Chittorgarh coarse colour composition country rocks crystals Dassarma deposit Dubrajpur Dubrajpur Formation Electron elements epidiorites fossils geochemical Geol Geological Survey Ghose gneiss Goilkera granite gneiss GSI Type Hippopotamus hornblende hornblende schist host rock jacobsite Kharswan Khatangi hill section lithological magnetite manganese Manuscript received massive amphibolites McCluskieganj meta-basic rocks metamorphic metres mineralisation minerals namadicus Narmada nepheline syenite Nimbahera Nimbahera limestone occur palaeindicus phyllitic plagioclase Plate present area quartz Quartzite Quaternary Rajmahal Hills Records Vol river Rupatganj Sah and Shah Sawa 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 values vein-quartz veins Vindhyan West Bengal X-Ray Λ Λ