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 12
... biotite gneiss and migmatite Biotite gneiss with scattered bands of hornblende granulite Biotite schist Hornblende schist Hornblende granulite Pyroxenite and amphibolite The The older metamorphics are composed of biotite schist ...
... biotite gneiss and migmatite Biotite gneiss with scattered bands of hornblende granulite Biotite schist Hornblende schist Hornblende granulite Pyroxenite and amphibolite The The older metamorphics are composed of biotite schist ...
Page 100
... biotite , garnet and hornblende forms the major rock type . Char- nockite is mostly of acid to intermediate type , showing incipient migmatisation . At places , the charnockite has thin biotite rich bands with garnet . Coarse to very ...
... biotite , garnet and hornblende forms the major rock type . Char- nockite is mostly of acid to intermediate type , showing incipient migmatisation . At places , the charnockite has thin biotite rich bands with garnet . Coarse to very ...
Page 238
... biotite gneiss , grey granodiorite and porphyroblastic grey granodiorite units . The rocks show a range in composition from granodiorite to quartz monzonite to tonalite . Hypersthene - biotite granites were reported from Nallaballi ...
... biotite gneiss , grey granodiorite and porphyroblastic grey granodiorite units . The rocks show a range in composition from granodiorite to quartz monzonite to tonalite . Hypersthene - biotite granites were reported from Nallaballi ...
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