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- |
From inside the book
Results 1-3 of 56
Page 9
... pink granite gneiss and grey granite which are later intruded by quartzo- feldspathic material / pink granite , quartz veins and reefs and pegmatite veins ( Plate - 4 ) . The Upper Carboniferous rocks- comprise Talchir sandstone . The ...
... pink granite gneiss and grey granite which are later intruded by quartzo- feldspathic material / pink granite , quartz veins and reefs and pegmatite veins ( Plate - 4 ) . The Upper Carboniferous rocks- comprise Talchir sandstone . The ...
Page 89
Geological Survey of India. granite gneiss and greasy charnockitic gneiss . The width of the individual granite ( sensu stricto ) bands varies from a few centimetres to about 10 m . The NAG is pink and contains garnet as an accessory ...
Geological Survey of India. granite gneiss and greasy charnockitic gneiss . The width of the individual granite ( sensu stricto ) bands varies from a few centimetres to about 10 m . The NAG is pink and contains garnet as an accessory ...
Page 90
... pink pegmatites , which mark the late phase of the granite activity , tend to concentrate the sulphides along the margins with the gneiss / granite . A milky white porphyritic type is seen locally , which may represent an younger phase ...
... pink pegmatites , which mark the late phase of the granite activity , tend to concentrate the sulphides along the margins with the gneiss / granite . A milky white porphyritic type is seen locally , which may represent an younger phase ...
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 |
4 other sections not shown
Other editions - View all
Common terms and phrases
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