Records of the Geological Survey of India, Volume 125, Parts 3-5Government of India, 1990 - Geology Includes the "Annual report of the Geological Survey of India," 1867- |
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Page 33
... Upper Disang Formation and Barail Group . The stratigraphic succession is worked out on the basis of general variation in lithological assemblages , sedimentary features , presence or absence of fossils and the depositional environment ...
... Upper Disang Formation and Barail Group . The stratigraphic succession is worked out on the basis of general variation in lithological assemblages , sedimentary features , presence or absence of fossils and the depositional environment ...
Page 46
... Upper Bokabil . The Upper Bokabil Formation conformably lies over the Lower Bokabil . Occurrence of coal in the form of streaks and lenses is seen north of Chakmabari and near Dhanyabari within the soft friable sandstone of Upper ...
... Upper Bokabil . The Upper Bokabil Formation conformably lies over the Lower Bokabil . Occurrence of coal in the form of streaks and lenses is seen north of Chakmabari and near Dhanyabari within the soft friable sandstone of Upper ...
Page 49
... upper part . The upper unit is characterised by soft grey , khaki to greenish grey shale , often splintery in nature , and siltstone with bands of soft , friable sandstone . This unit attains maximum exposed thickness of about 1050 m ...
... upper part . The upper unit is characterised by soft grey , khaki to greenish grey shale , often splintery in nature , and siltstone with bands of soft , friable sandstone . This unit attains maximum exposed thickness of about 1050 m ...
Contents
Studies of granites of Hazaribagh Gaya and Palamau districts Bihar | 7 |
Geological mapping around PindaraBiharbariBaghmari area Bhagalpur district Bihar | 13 |
FIELD SEASON 199091 | 91 |
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alignment amphibolite ANDHRA PRADESH anomaly bands basemetal basin Bihar biotite block boreholes charnockite chromite clay comprises CONSTRUCTION STAGE GEOTECHNICAL deposits depth DISTRICT dolerite drilled dykes earth dam east eastern Engineering Geology Engineering Geology Division excavation exposed field season folds foliation Formation geochemical GEOLOGICAL MAP geophysical Geotechnical and Special GEOTECHNICAL INVESTIGATION gneiss gold grained granite granite gneiss granitoid granulite grey Group grouting hill holes hornblende indicated irrigation joints KARNATAKA khondalite kimberlite laterite limestone located magnetite Meghalaya migmatite mineral mineralised zone nala occur Orissa pegmatite phyllite pink granite plagioclase power house proposed pyrite pyroxenite quartz quartz veins quartzite Quaternary Regional Geology reservoir river rock types samples sandstone scale schist schist belt schistose sediments shale shear zone Shillong Singhbhum slope soil Special Investigation spillway sq km stage geotechnical investigation strike length structure sulphide surveys syenite thick traverses trending tunnel upto volcanics West Bengal