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 99
... east of Lohardaga and east of the younger elliptical shaped granite body . From a study of satellite imagery it can be con- cluded that it has not been possible to identify the existence of any acid / intermediate volcanic rock near ...
... east of Lohardaga and east of the younger elliptical shaped granite body . From a study of satellite imagery it can be con- cluded that it has not been possible to identify the existence of any acid / intermediate volcanic rock near ...
Page 150
... east - west trending Singhbhum Group of metasedimentary rocks and the Dalma Volcanics ly- ing between Sonapet Valley ( 22 ° 53'00 " : 85 ° 40'00 " ) in the south and Tamar - Porapahar Shear Zone in the north , taken up since 1991-92 has ...
... east - west trending Singhbhum Group of metasedimentary rocks and the Dalma Volcanics ly- ing between Sonapet Valley ( 22 ° 53'00 " : 85 ° 40'00 " ) in the south and Tamar - Porapahar Shear Zone in the north , taken up since 1991-92 has ...
Page 2
... East Khasi Hills district , Meghalaya . The area shows incipient gossans . High resistivity and moderate SP anomalies observed at granite - metasediments contact is favourable for gold occurrences . The Sylhet Member of Shella Formation ...
... East Khasi Hills district , Meghalaya . The area shows incipient gossans . High resistivity and moderate SP anomalies observed at granite - metasediments contact is favourable for gold occurrences . The Sylhet Member of Shella Formation ...
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