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 16
... composition of jacobsite is recorded over very small areas , the P - T condition is not expected to change appreciably to cause the change in composition . The uniform P - T condition is indicated by the mineralogical assemblage in ...
... composition of jacobsite is recorded over very small areas , the P - T condition is not expected to change appreciably to cause the change in composition . The uniform P - T condition is indicated by the mineralogical assemblage in ...
Page 25
... composition of hornblende and plagioclase indicates that they have cry- stallized at higher temperature than other meta - basic rocks of the area . Chemistry of minerals separated from these rocks show that the composition of amphi ...
... composition of hornblende and plagioclase indicates that they have cry- stallized at higher temperature than other meta - basic rocks of the area . Chemistry of minerals separated from these rocks show that the composition of amphi ...
Page 31
... composition of plagioclase from An , to An , with increa- sing metamorphic grade , i . e . greenschist to almandine- amphibolite facies may be " due to some way to the peristerite solvus " . The anorthite content of plagioclase in the ...
... composition of plagioclase from An , to An , with increa- sing metamorphic grade , i . e . greenschist to almandine- amphibolite facies may be " due to some way to the peristerite solvus " . The anorthite content of plagioclase in the ...
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