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 26
... varies from 1.5 m to 3.50m bgl - The depth of the 2nd aquifer varies from 40 m to 60 m bgl . while the depth of the 3rd aquifer ranges from 200 m bgl to 240 m bgl in different localities . The average recession of the static water level ...
... varies from 1.5 m to 3.50m bgl - The depth of the 2nd aquifer varies from 40 m to 60 m bgl . while the depth of the 3rd aquifer ranges from 200 m bgl to 240 m bgl in different localities . The average recession of the static water level ...
Page 52
... varies from 0.96 m to 2.53 m and the depth of foundation grade bed rock varies from 1.40 m to 3.80 m only . At the alternative site the thickness of overburden varies from 1.0 m to 4.50 m and the foundation grade fresh rock depth varies ...
... varies from 0.96 m to 2.53 m and the depth of foundation grade bed rock varies from 1.40 m to 3.80 m only . At the alternative site the thickness of overburden varies from 1.0 m to 4.50 m and the foundation grade fresh rock depth varies ...
Page 160
... varies from 1600 to 1800 kg / cm2 , sp gravity from 2.62 to 2.72 and water absorp- tion percentage from 0.02 to 0.98 . For some of the pink banded gneisses the compressive strength is as high as 2900kg / cm2 . In case of the black ...
... varies from 1600 to 1800 kg / cm2 , sp gravity from 2.62 to 2.72 and water absorp- tion percentage from 0.02 to 0.98 . For some of the pink banded gneisses the compressive strength is as high as 2900kg / cm2 . In case of the black ...
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