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 iii
... continued in several sectors . Ultramafic rocks mapped so far was not found to be ultrapotassic . Thurst on mineral prospecting and exploration continued with variable results.An exposed length of 20 m wolframite - scheelite - pyrite ...
... continued in several sectors . Ultramafic rocks mapped so far was not found to be ultrapotassic . Thurst on mineral prospecting and exploration continued with variable results.An exposed length of 20 m wolframite - scheelite - pyrite ...
Page iv
... continued in selected gap areas of Singhbhum Copper Belt with limited success . Further , a borehole near Jamdah through Kuilapal granite intersected Cu - zone . Several mineralised ( Pb - Zn - Cu ) zones have been delineated in Hesatu ...
... continued in selected gap areas of Singhbhum Copper Belt with limited success . Further , a borehole near Jamdah through Kuilapal granite intersected Cu - zone . Several mineralised ( Pb - Zn - Cu ) zones have been delineated in Hesatu ...
Page 59
... continued till october '91 . The current resurgence of the Barren island volcano started in the middle of December 1994 and since then the Geological survey of India had been continuously monitoring this volcanic activity . The 1995 ...
... continued till october '91 . The current resurgence of the Barren island volcano started in the middle of December 1994 and since then the Geological survey of India had been continuously monitoring this volcanic activity . The 1995 ...
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