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 32
... ARCHAEAN- → Pegmatite and aplite Pegmatite and quartz veins Microgranite Porphyritc gneiss Granite gneiss Epidiorite Sen ( 1956 ) Porphyritic gneiss , migmati- tes and composite gneiss Hornblende schist and mica schist Basic and ...
... ARCHAEAN- → Pegmatite and aplite Pegmatite and quartz veins Microgranite Porphyritc gneiss Granite gneiss Epidiorite Sen ( 1956 ) Porphyritic gneiss , migmati- tes and composite gneiss Hornblende schist and mica schist Basic and ...
Page 54
... Archaean Basement was en- Granite - gneiss , the basement member , countered at a depth of 56.6 m at Govindpur ( 23 ° 19 ′ : 87 ° 14 ' ) 56 km southwest of which it was struck at 111 m depth at Bhudrubad ( 22 ° 50 ' 87 ° 04 ' ) . About ...
... Archaean Basement was en- Granite - gneiss , the basement member , countered at a depth of 56.6 m at Govindpur ( 23 ° 19 ′ : 87 ° 14 ' ) 56 km southwest of which it was struck at 111 m depth at Bhudrubad ( 22 ° 50 ' 87 ° 04 ' ) . About ...
Page 55
... ARCHAEAN -150 180 PLIOCENE AND MIOCENE -180 ARCHAEAN PLIOCENE AND MIOCENE -210 < -210 -240 < -240 270 -270 20 10 30 40 DISTANCE ( KILOMETRES ! → 30 20 40 DISTANCE ( KILOMETRES ) → 50 to 407 RUS Fig 3 STRATIGRAPHIC CROSS - SECTION ...
... ARCHAEAN -150 180 PLIOCENE AND MIOCENE -180 ARCHAEAN PLIOCENE AND MIOCENE -210 < -210 -240 < -240 270 -270 20 10 30 40 DISTANCE ( KILOMETRES ! → 30 20 40 DISTANCE ( KILOMETRES ) → 50 to 407 RUS Fig 3 STRATIGRAPHIC CROSS - SECTION ...
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