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 12
... Complex ( CGC ) in order to establish their stratigraphic status and to assess the regional min- eral potentiality . The Precambrian tract of this sector comprises deformed metamorphosed supracrustal rocks of vari- ous composition ...
... Complex ( CGC ) in order to establish their stratigraphic status and to assess the regional min- eral potentiality . The Precambrian tract of this sector comprises deformed metamorphosed supracrustal rocks of vari- ous composition ...
Page 115
... Complex is considered to be representing the mobile belt between the southern Singhbhum cratonic block and a northern cratonic block which is ill - defined but supposed to be a contin- uation of the Bundelkhand Pluton . The mobile belt ...
... Complex is considered to be representing the mobile belt between the southern Singhbhum cratonic block and a northern cratonic block which is ill - defined but supposed to be a contin- uation of the Bundelkhand Pluton . The mobile belt ...
Page 70
... complex has brought out the disposition of ultramafic and mafic rocks within Shillong Group of metasedimentary rocks comprising quartz- ites and phyllites . The mafic and ultramafic rocks are exposed as isolated bodies all along the ...
... complex has brought out the disposition of ultramafic and mafic rocks within Shillong Group of metasedimentary rocks comprising quartz- ites and phyllites . The mafic and ultramafic rocks are exposed as isolated bodies all along the ...
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