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 126
... sandstone - 1 Yellowish brown sandstone - 2 Khaki shale - 3 Greenish grey shole - 4 Greenish sandstone Khaki brown shale -5 . 20 m Greenish grey siltstone Grey shale - 6 Sandstone Stale alleinalion 17-8 Green siltstone & shole -9 ...
... sandstone - 1 Yellowish brown sandstone - 2 Khaki shale - 3 Greenish grey shole - 4 Greenish sandstone Khaki brown shale -5 . 20 m Greenish grey siltstone Grey shale - 6 Sandstone Stale alleinalion 17-8 Green siltstone & shole -9 ...
Page 14
... sandstone . Medium to coarse grained micaceous / feldspathic ferruginous sandstone and clays with occasional fossil weed . Alternate sequence of grey laminated shales , calcareous siltstone , micaceous sandstone with rare limestone and ...
... sandstone . Medium to coarse grained micaceous / feldspathic ferruginous sandstone and clays with occasional fossil weed . Alternate sequence of grey laminated shales , calcareous siltstone , micaceous sandstone with rare limestone and ...
Page 36
... sandstone with subordinate shale , siltstone and intraformational conglomerate . Sandstones of these formations fall within the subarkosic aren- ite type in Pettijohn's classification . The area mapped in Kolasib Division shows immature ...
... sandstone with subordinate shale , siltstone and intraformational conglomerate . Sandstones of these formations fall within the subarkosic aren- ite type in Pettijohn's classification . The area mapped in Kolasib Division shows immature ...
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