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 160
... taken good polish whereas only one out of the four black granite ( dolerite ) samples from Kodarma area has exhibited a good polish . A brief account of the reconnaissance work in the three sectors is given below . 1. Jhajha - Chakai ...
... taken good polish whereas only one out of the four black granite ( dolerite ) samples from Kodarma area has exhibited a good polish . A brief account of the reconnaissance work in the three sectors is given below . 1. Jhajha - Chakai ...
Page 230
... taken to the steel plant by 100 km long pipe line . Preliminary investigation for the project was taken up by GSI earlier and three boreholes were drilled on the left abutment . From the terrain conditions , it is expected that ...
... taken to the steel plant by 100 km long pipe line . Preliminary investigation for the project was taken up by GSI earlier and three boreholes were drilled on the left abutment . From the terrain conditions , it is expected that ...
Page 2
... taken at Kharsang , Changlang district , Arunachal Pradesh showed that so far minimal anthro- pogenic degradation has taken place . Coal exploration is in progress and open cast mining is to commence . Remedial measures on a large scale , ...
... taken at Kharsang , Changlang district , Arunachal Pradesh showed that so far minimal anthro- pogenic degradation has taken place . Coal exploration is in progress and open cast mining is to commence . Remedial measures on a large scale , ...
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