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 8
... dykes and sheared quartz reefs represent younger instrusive phase in the area . Five new occurrences of lherzolite bodies are found in the region , of which four bodies occur east of Gurramkonda and the other is 1 km SW of Nadigedda ...
... dykes and sheared quartz reefs represent younger instrusive phase in the area . Five new occurrences of lherzolite bodies are found in the region , of which four bodies occur east of Gurramkonda and the other is 1 km SW of Nadigedda ...
Page 10
... 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 dyke rocks show variation in grain size from fine to medium and coarse ...
... 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 dyke rocks show variation in grain size from fine to medium and coarse ...
Page 39
... dykes Granite porphyry dykes Gabbro and dolerite dykes Pegmatite and quartz veins Coarse - grained pink granite Coarse - grained leuco granite Coarse - grained grey granite Unclassified Amphibolite , biotite - gneiss , BMQ , quartzite ...
... dykes Granite porphyry dykes Gabbro and dolerite dykes Pegmatite and quartz veins Coarse - grained pink granite Coarse - grained leuco granite Coarse - grained grey granite Unclassified Amphibolite , biotite - gneiss , BMQ , quartzite ...
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