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 6
... pegmatite bodies of Beku and Jabor and the third one for the preliminary appraisal of the fertile pegmatite bodies along ENE - WSW lineament , all in Purulia dist . , West Bengal . A few small occurrences of rich Rare Earth and Rare ...
... pegmatite bodies of Beku and Jabor and the third one for the preliminary appraisal of the fertile pegmatite bodies along ENE - WSW lineament , all in Purulia dist . , West Bengal . A few small occurrences of rich Rare Earth and Rare ...
Page 7
... PEGMATITE BODY , WESTERN PART OF TUNIFAHAR. Rare metal investigation ( E - 1 stage ) was taken up within the fertile pegmatite bodies of Chhotanagpur Gneissic Complex in parts of toposheets No. 73 E / 15 and 73 1/3 as per Annual ...
... PEGMATITE BODY , WESTERN PART OF TUNIFAHAR. Rare metal investigation ( E - 1 stage ) was taken up within the fertile pegmatite bodies of Chhotanagpur Gneissic Complex in parts of toposheets No. 73 E / 15 and 73 1/3 as per Annual ...
Page 10
... pegmatites indicate that these are rare earth bearing and are enriched in LREE i.e. Ce and La along with high content of Ba and Sr. Geochemically these pegmatites show similarity with the NYF type pegmatite of Cerny ( 1991 ) . III ...
... pegmatites indicate that these are rare earth bearing and are enriched in LREE i.e. Ce and La along with high content of Ba and Sr. Geochemically these pegmatites show similarity with the NYF type pegmatite of Cerny ( 1991 ) . III ...
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