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 62
... length of about 13 km from Beadonabad - Chidyatapu sector of South Andaman , a promising block was delineated with an areal span of 1km x 0.75 km along the coastal tract of Rangachang for detailed assessment and probing . The ...
... length of about 13 km from Beadonabad - Chidyatapu sector of South Andaman , a promising block was delineated with an areal span of 1km x 0.75 km along the coastal tract of Rangachang for detailed assessment and probing . The ...
Page 197
... 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 ...
... 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 ...
Page 65
... length of the total affected road stretch was 107 km with maximum subsidence of 60 cm at one place . The cracks varied in length from 4.5m to 8.0m with maximum opening of 20 cm while depth of the opening varied between 15 and 40 cm as ...
... length of the total affected road stretch was 107 km with maximum subsidence of 60 cm at one place . The cracks varied in length from 4.5m to 8.0m with maximum opening of 20 cm while depth of the opening varied between 15 and 40 cm as ...
Contents
WEST BENGAL SIKKIM A N ISLANDS | 1 |
Report of investigation for rare metal mineralisation within pegmatite | 7 |
Gold | 14 |
Copyright | |
3 other sections not shown
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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