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 111
... volcanic rocks and to find out its rela- tion with the basic volcanics of Iron Ore Group and the associated metasedimentaries ( Plate40 ) . This item of work is an input for RPL , ER work . Acid volcanics lie along a zone oriented ...
... volcanic rocks and to find out its rela- tion with the basic volcanics of Iron Ore Group and the associated metasedimentaries ( Plate40 ) . This item of work is an input for RPL , ER work . Acid volcanics lie along a zone oriented ...
Page 112
Geological Survey of India. basic volcanics and are highly fractured along NNW- SSE direction , a NNW ward extension of Malaygiri lineament ( ? ) . This rock is suspected to be acid volcanics though they are reported to be sandstone in ...
Geological Survey of India. basic volcanics and are highly fractured along NNW- SSE direction , a NNW ward extension of Malaygiri lineament ( ? ) . This rock is suspected to be acid volcanics though they are reported to be sandstone in ...
Page 47
... volcanic rocks designated here as the Sipung volcanics ( = Geku / Riew volcanics ) after the Sipung Korong where these are best exposed , The volcanics are by and large pyroclastic in nature , often alternating with massive , vesicular ...
... volcanic rocks designated here as the Sipung volcanics ( = Geku / Riew volcanics ) after the Sipung Korong where these are best exposed , The volcanics are by and large pyroclastic in nature , often alternating with massive , vesicular ...
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