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 10
... trending dyke swarms with subordinate NW - SE , NE - SW and N - S trending dykes traversing the Pre- cambrian granite rocks . In general , the dykes extend over more than 30 km with 5 to 10 m width , exhibiting positive relief . These ...
... trending dyke swarms with subordinate NW - SE , NE - SW and N - S trending dykes traversing the Pre- cambrian granite rocks . In general , the dykes extend over more than 30 km with 5 to 10 m width , exhibiting positive relief . These ...
Page 27
... trending tight isoclinal folds , the second phase ( F2 ) is represented by folding of axial plane schistosity ( S , ) , whose axial trace varies from N - S to N5 ° E to S5 ° W with moderate plunges in both north and south directions ...
... trending tight isoclinal folds , the second phase ( F2 ) is represented by folding of axial plane schistosity ( S , ) , whose axial trace varies from N - S to N5 ° E to S5 ° W with moderate plunges in both north and south directions ...
Page 101
... trending dolerite dyke . The syenite comprises white potash feldspar and plagioclase as predominent minerals . Pink potash feldspar is also seen next in abundance to white feldspar . Epidote is present both as primary as well as later ...
... trending dolerite dyke . The syenite comprises white potash feldspar and plagioclase as predominent minerals . Pink potash feldspar is also seen next in abundance to white feldspar . Epidote is present both as primary as well as later ...
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