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
... present investigation was carried out in the Chandiposh ( 22 ° 02′10 ′′ : 84 ° 55'45 " ) - Rangra ( 22 ° 02′30 ′′ : 85 ° 09'30 " ) area of Sundergarh dist . , Orissa ( Plate 26 ) to study the volcano - sedimentary lithopackage to the ...
... present investigation was carried out in the Chandiposh ( 22 ° 02′10 ′′ : 84 ° 55'45 " ) - Rangra ( 22 ° 02′30 ′′ : 85 ° 09'30 " ) area of Sundergarh dist . , Orissa ( Plate 26 ) to study the volcano - sedimentary lithopackage to the ...
Page 96
... present work was on delineating major structural controls viz , large basin margin faults , lin- eaments or intersections of the same as possible loca- tions of kimberlites and lamproites , the primary source rock for diamonds ...
... present work was on delineating major structural controls viz , large basin margin faults , lin- eaments or intersections of the same as possible loca- tions of kimberlites and lamproites , the primary source rock for diamonds ...
Page 36
... present in the area indicate that the rocks were deposited in a shallow marine environment . The secondary structures present include N - S and NW - SE trending anticlines and synclines both on the megascopic as well as mesoscopic scale ...
... present in the area indicate that the rocks were deposited in a shallow marine environment . The secondary structures present include N - S and NW - SE trending anticlines and synclines both on the megascopic as well as mesoscopic scale ...
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