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 74
... major part the upper sequence lies directly over the Bonai Granite where open undulations are present reflecting the original basement configuration and effect of subsequent deformations and where the ef- fect of shearing is not ...
... major part the upper sequence lies directly over the Bonai Granite where open undulations are present reflecting the original basement configuration and effect of subsequent deformations and where the ef- fect of shearing is not ...
Page 132
... major host rock for base metal mineralisation in the adja- cent area to the east . To explore the possibility of lo- cating any unknown base metal occurrence over this large tract of unexplored area , major thrust was given to the ...
... major host rock for base metal mineralisation in the adja- cent area to the east . To explore the possibility of lo- cating any unknown base metal occurrence over this large tract of unexplored area , major thrust was given to the ...
Page 63
... major landslides causing loss of 39 lives and injuries to 24 , besides damaging major sections of road and vast forest area due to heavy cloud burst on 16th , 17th and 18th May , 1995 . The investigation was undertaken at the urgent ...
... major landslides causing loss of 39 lives and injuries to 24 , besides damaging major sections of road and vast forest area due to heavy cloud burst on 16th , 17th and 18th May , 1995 . The investigation was undertaken at the urgent ...
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