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 7
... covered by detailed plane table mapping on 1 : 2000 scale . A total of 269 geochemical samples ( bed rock and soil ) , 16 petrological samples for thin sec- tion studies and 16 petrochemical samples for whole rock and X - ray studies ...
... covered by detailed plane table mapping on 1 : 2000 scale . A total of 269 geochemical samples ( bed rock and soil ) , 16 petrological samples for thin sec- tion studies and 16 petrochemical samples for whole rock and X - ray studies ...
Page 47
... covered in the previous field season , the remaining part has been covered in the present field season . The area studied suffers from acute drinking water scarcity . Water is supplied by tankers in summer . Thus , two dam sites for ...
... covered in the previous field season , the remaining part has been covered in the present field season . The area studied suffers from acute drinking water scarcity . Water is supplied by tankers in summer . Thus , two dam sites for ...
Page 12
... covered by photo interpretation with limited field checks which falls in North Cachar Hills district . The quaternary geology and geomorphological mapping of Brahmaputra Basin was carried out by two parties . One party covered mapping ...
... covered by photo interpretation with limited field checks which falls in North Cachar Hills district . The quaternary geology and geomorphological mapping of Brahmaputra Basin was carried out by two parties . One party covered mapping ...
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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Common terms and phrases
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