Records of the Geological Survey of India, Volume 127, Parts 3-4Government of India, 1992 - Geology Includes the "Annual report of the Geological Survey of India," 1867- |
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Page 15
... represented by pink coloured , coarse porphyritic granite . Metabasics in the area are mostly represented by amphibolites which are conformable to the regional foliation of the gneisses and metasedimentaries . Besides , charnockite ...
... represented by pink coloured , coarse porphyritic granite . Metabasics in the area are mostly represented by amphibolites which are conformable to the regional foliation of the gneisses and metasedimentaries . Besides , charnockite ...
Page 29
... represented by a lower sandy formation ( Laisong ) , middle argillaceans formation ( Jenam ) and an upper Renji sandstone . The Neogene sediments overlie the Paleogene sediments with an unconformity . The Surma Group is represented by a ...
... represented by a lower sandy formation ( Laisong ) , middle argillaceans formation ( Jenam ) and an upper Renji sandstone . The Neogene sediments overlie the Paleogene sediments with an unconformity . The Surma Group is represented by a ...
Page 41
... represented dominantly by phyllites and calcareous quartzites with a few bands of limestone / dolos- tone and at places marble . The Miri Formation ( Yembung quartzite ) is characterised by compact , pink to white sac- charoidal ...
... represented dominantly by phyllites and calcareous quartzites with a few bands of limestone / dolos- tone and at places marble . The Miri Formation ( Yembung quartzite ) is characterised by compact , pink to white sac- charoidal ...
Contents
Chhotanagpur Gneiss | 8 |
Geological mapping and geochomical survey to the south | 15 |
Singhbhum Belt and North Singhbhum Shear Zone | 22 |
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ABSTRACTS OF PROGRESS Aizawl alignment amphibolite Andaman anomaly apatite ARUNACHAL PRADESH Assam bands bank basin bed rock belt Bihar biotite block boreholes Brahmaputra carbonatite chert chlorite chromite clay conglomerate Dalma deposits depth district drilling east Engineering Geology erosion exposed EXTENDED ABSTRACTS faults field season flood plain folds foliation Formation geochemical GEOLOGICAL MAP geophysical geotechnical investigation gneiss gold grained granite gneiss grey Group of rocks GSI Rec INDEX indicated Irrigation Keonjhar LATERITE limestone lithounits located manganese Manipur Meghalaya metasedimentary mica schist mineral nala occur Orissa OVERVIEW phyllite Plate proposed Purulia quartz quartz veins quartzite Quaternary regional river samples sand sandstone scale schist sector sedimentary sequence shale Shear Zone Shillong Sikkim silt siltstone Singhbhum granite slope soil spillway sq km sq.km stage geotechnical investigation structures sulphides Supergroup surface SURVEY OF INDIA thick tion toposheet traverses trending tunnel ultramafic unconformably upto volcanics West Bengal