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 47
... proposed 15 m to 30 m with minimum increase in dam length may be looked into . v ) Korang Nallah Irrigation Scheme ( Middle Andaman ) A 14 m high and 140 m long dam has been proposed across the Korang Nallah in order to extend ...
... proposed 15 m to 30 m with minimum increase in dam length may be looked into . v ) Korang Nallah Irrigation Scheme ( Middle Andaman ) A 14 m high and 140 m long dam has been proposed across the Korang Nallah in order to extend ...
Page 52
... proposed river bed spillway site the thickness of overburden 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 ...
... proposed river bed spillway site the thickness of overburden 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 ...
Page 229
... proposed across Laxmipathar nala in Mahanadi Valley . During traverse taken in proposed dam and spillway sites , no rock exposures were noticed , except two granite abutments . Topographic saddle on the right 2km up- stream of dam axis ...
... proposed across Laxmipathar nala in Mahanadi Valley . During traverse taken in proposed dam and spillway sites , no rock exposures were noticed , except two granite abutments . Topographic saddle on the right 2km up- stream of dam axis ...
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