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 152
... strike of the regional schistosity is ENE - WSW with steep dip of 70 ° due south . The strike of the frac- ture cleavage developed in the cherty quartzite strikes N65 ° E - S 65 ° W with dip of 75 ° due south . During the course of the ...
... strike of the regional schistosity is ENE - WSW with steep dip of 70 ° due south . The strike of the frac- ture cleavage developed in the cherty quartzite strikes N65 ° E - S 65 ° W with dip of 75 ° due south . During the course of the ...
Page 189
... strike of foliation as dis- continuous bodies , pockets , lenses and disseminations along foliation , fractures and minor fold closures in host rocks , viz . khondalite and quartzite ( Plate 64 ) . Out of the nine boreholes drilled in ...
... strike of foliation as dis- continuous bodies , pockets , lenses and disseminations along foliation , fractures and minor fold closures in host rocks , viz . khondalite and quartzite ( Plate 64 ) . Out of the nine boreholes drilled in ...
Page 197
... strike length of 900 m in Baula area . Of this , the northern 500 m of strike length has been identified as the best target for exploratory drilling . The first borehole has been drilled . Three more boreholes have been planned at 100 m ...
... strike length of 900 m in Baula area . Of this , the northern 500 m of strike length has been identified as the best target for exploratory drilling . The first borehole has been drilled . Three more boreholes have been planned at 100 m ...
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