Records of the Geological Survey of India, Volume 129, Parts 3-4Government of India, 1994 - Geology Includes the "Annual report of the Geological Survey of India," 1867- |
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Page 232
... scale was done . 10 ) Geological mapping of wall behind power house covering an area of 130 sqm ( 1 : 200 scale ) was done . It was suggested to provide a thin wall of RCC for preventing slide of any boulder in future . 11 ) Geological ...
... scale was done . 10 ) Geological mapping of wall behind power house covering an area of 130 sqm ( 1 : 200 scale ) was done . It was suggested to provide a thin wall of RCC for preventing slide of any boulder in future . 11 ) Geological ...
Page 50
... scale ) , 4.10 sq kms Large scale mapping ( 1 : 10,000 scale ) , 0.03 sq km detailed mapping ( 1 : 2,000 scale ) . 103 nos of bed rock chip sampling and 353.25 m of drilling in 3 bore holes with 144 nos of core sampling were done . The ...
... scale ) , 4.10 sq kms Large scale mapping ( 1 : 10,000 scale ) , 0.03 sq km detailed mapping ( 1 : 2,000 scale ) . 103 nos of bed rock chip sampling and 353.25 m of drilling in 3 bore holes with 144 nos of core sampling were done . The ...
Page 54
... scale mapping and sampling , A total of 353.25m . of drilling in three boreholes ( SAV - 2A . SAV - 3 , and SAV - 4 ) was achieved with 4.76 L. km . of section measurement ( 1 : 2,000 scale ) , 4.10 sq.km. large scale mapping ( 1 : 10,000 ...
... scale mapping and sampling , A total of 353.25m . of drilling in three boreholes ( SAV - 2A . SAV - 3 , and SAV - 4 ) was achieved with 4.76 L. km . of section measurement ( 1 : 2,000 scale ) , 4.10 sq.km. large scale mapping ( 1 : 10,000 ...
Contents
WEST BENGAL SIKKIM A N ISLANDS | 1 |
Report of investigation for rare metal mineralisation within pegmatite | 7 |
Gold | 14 |
Copyright | |
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acid volcanics amphibolite Andaman anomaly Arunachal Pradesh Assam bands basemetal basin bed rock belt Bihar biotite block boreholes Chhotanagpur clay Code colour comprising conglomerate covered depth Division drilling dykes east eastern Engineering Geology erosion exploration exposed fault feldspar field season fold foliation Formation geochemical GEOLOGICAL MAP geophysical GEOTECHNICAL INVESTIGATION gneiss gneissic gold Gondwana grade granite granite gneiss granitoids grey Group of rocks GSI Rec Hills district identified intrusives Karbi Anglong laterite limestone lineament lithological located medium grained Meghalaya mica schist migmatites mineralisation minerals nala occurs Orissa OVERVIEW pegmatite phyllite plagioclase Proterozoic Purulia district quartz quartz veins quartzite Quaternary Region river sand sandstone scale schist sector sequence shale Shillong Shillong Group Sikkim siltstone Singhbhum slope soil spillway sq km STAGE GEOTECHNICAL INVESTIGATION stream sediment samples structure sulphide Surface SURVEY OF INDIA terrain thick Toposheet trending ultramafic upto West Bengal western