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 xi
... Purulia Shear Zone , Purulia district , West Bengal A. K. Lahiri , G. K. Dutta and P. C. Das Project : Geophysics Division - II An Overview R. S. Bhattacharya , Director Geophysical investigation for Kimberlitic pipe rocks in Darlipara ...
... Purulia Shear Zone , Purulia district , West Bengal A. K. Lahiri , G. K. Dutta and P. C. Das Project : Geophysics Division - II An Overview R. S. Bhattacharya , Director Geophysical investigation for Kimberlitic pipe rocks in Darlipara ...
Page 12
... Purulia district , West Bengal ( Toposheet No 73 1/7 ) was mapped on 1 : 25,000 scale ( Plate - 6 ) . The investigation aims to study the mutual relation- ship of different components of Chhotanagpur Gneissic Complex ( CGC ) in order to ...
... Purulia district , West Bengal ( Toposheet No 73 1/7 ) was mapped on 1 : 25,000 scale ( Plate - 6 ) . The investigation aims to study the mutual relation- ship of different components of Chhotanagpur Gneissic Complex ( CGC ) in order to ...
Page 137
... Purulia Shear Zone ( also referred to as Jhalda Shear Zone ) falling in parts of Purulia district of West Bengal , has lead to identi- fication of rich concentration of REE in association with pegmatite . As the Shear zone continues ...
... Purulia Shear Zone ( also referred to as Jhalda Shear Zone ) falling in parts of Purulia district of West Bengal , has lead to identi- fication of rich concentration of REE in association with pegmatite . As the Shear zone continues ...
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