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 92
... lithologies have been demarcated , a few interpreted granites having no topographic expression in the Chhotanagpur ... lithological boundaries have been drawn , em- phasis has been given on depiction of faults , fractures , shear zones ...
... lithologies have been demarcated , a few interpreted granites having no topographic expression in the Chhotanagpur ... lithological boundaries have been drawn , em- phasis has been given on depiction of faults , fractures , shear zones ...
Page 147
... lithological assemblages and suitable locales for gold mineralisation were identified and delineated and intensive bed rock sampling was carried out in the south - eastern part of the belt around Chaidiha ( 22 ° 19 ′ 45 ′′ : 86 ° 27 ...
... lithological assemblages and suitable locales for gold mineralisation were identified and delineated and intensive bed rock sampling was carried out in the south - eastern part of the belt around Chaidiha ( 22 ° 19 ′ 45 ′′ : 86 ° 27 ...
Page 44
... LITHOLOGICAL CONTACT . INFERRED LITHOLOGICAL CONTACT PROBA BLE ~~ CHULYU N Fig . 17 : Geological Map of the area around Komp , Hullo and Ampuli , Lower Subansiri and Papumparea Districts , Arunachal Pradesh GEOLOGY OF THE AREA EAST OF ...
... LITHOLOGICAL CONTACT . INFERRED LITHOLOGICAL CONTACT PROBA BLE ~~ CHULYU N Fig . 17 : Geological Map of the area around Komp , Hullo and Ampuli , Lower Subansiri and Papumparea Districts , Arunachal Pradesh GEOLOGY OF THE AREA EAST OF ...
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