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 26
... contains exceptionally low alumina , but high magnesia , lime and H2O + ( Table — III ) . This is also reflected in ... contain tapered crystals of K- feldspars adjacent to the larger bodies of granite . Abun- dance of amphiboles also ...
... contains exceptionally low alumina , but high magnesia , lime and H2O + ( Table — III ) . This is also reflected in ... contain tapered crystals of K- feldspars adjacent to the larger bodies of granite . Abun- dance of amphiboles also ...
Page 60
... contain fine specks of exsolved hematite along the basal plane of the host . The overall texture of these rocks may be termed as hypidiomorphic granular . Porphyritic texture is occa- sionally conspicuous with phenocrysts of microcline ...
... contain fine specks of exsolved hematite along the basal plane of the host . The overall texture of these rocks may be termed as hypidiomorphic granular . Porphyritic texture is occa- sionally conspicuous with phenocrysts of microcline ...
Page 63
... contains Glossopteris - Vertebraria assem- blage of Permian age . The overlying Zone B contains a floral assemblages with diagnostic Upper Gondwana genus Ptilophyllum , and Sah and Shah ( 1974 ) assigned Lower to Middle Jurassic age to ...
... contains Glossopteris - Vertebraria assem- blage of Permian age . The overlying Zone B contains a floral assemblages with diagnostic Upper Gondwana genus Ptilophyllum , and Sah and Shah ( 1974 ) assigned Lower to Middle Jurassic age 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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Common terms and phrases
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