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 10
... Grey shale 90 140 250 na Greenish brown shale 17 14/77 18 66/77 19 70 77 20 75/77 0000 530 30 10 50 < 10 120 020 40 10 25 90 8888 80 120 120 400 na Puprle shale 140 130 800 nd Brownish shaly rock 50 < 10 40 10 50 100 150 > 2000 nd 25 ...
... Grey shale 90 140 250 na Greenish brown shale 17 14/77 18 66/77 19 70 77 20 75/77 0000 530 30 10 50 < 10 120 020 40 10 25 90 8888 80 120 120 400 na Puprle shale 140 130 800 nd Brownish shaly rock 50 < 10 40 10 50 100 150 > 2000 nd 25 ...
Page 21
... Grey silt and sand ( 5 m ) -Disconformity-- Pinkish clay and silt ( 20 m ) Grit and sand- upper part yellow coloured , lower part grey ( 20 m ) Pebble bed ( 5 m ) --Disconformity ——— Gritty hard pan Deep red silt ( 15 m ) often mottled ...
... Grey silt and sand ( 5 m ) -Disconformity-- Pinkish clay and silt ( 20 m ) Grit and sand- upper part yellow coloured , lower part grey ( 20 m ) Pebble bed ( 5 m ) --Disconformity ——— Gritty hard pan Deep red silt ( 15 m ) often mottled ...
Page 56
... grey to brown clay , coarse to fine grained brown sand occur and the base is marked by the presence of loosely consolidated quartz gravel bed which coincide with the boundary between the Neogene and the Quater- nary sediments according ...
... grey to brown clay , coarse to fine grained brown sand occur and the base is marked by the presence of loosely consolidated quartz gravel bed which coincide with the boundary between the Neogene and the Quater- nary sediments according ...
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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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