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 6
... Shear Zone mapped further west . The shear zone shows malachite stains and specks of chalcopyrite , especially within brecciated quartzite . Occasionally , mica and garnet bearing pegmatites have been recorded . Small outliers of ...
... Shear Zone mapped further west . The shear zone shows malachite stains and specks of chalcopyrite , especially within brecciated quartzite . Occasionally , mica and garnet bearing pegmatites have been recorded . Small outliers of ...
Page 9
... Shear Zone . In addition , 1000 sq km area was covered in to- posheets 63 P / 11 and 15 by photogeological studies for tracing the extension of the shear zone . The arca comprises metamorphic and igneous rocks of Precambrian age which ...
... Shear Zone . In addition , 1000 sq km area was covered in to- posheets 63 P / 11 and 15 by photogeological studies for tracing the extension of the shear zone . The arca comprises metamorphic and igneous rocks of Precambrian age which ...
Page 98
... Shear Zone yielded 0.5 - 1.4 gm of gold per tonne . This is a new find which calls for greater efforts for finding gold in this Shear Zone in the next field season ( 1991-92 ) . In tungsten investigation in Satnala - Arhala and also in ...
... Shear Zone yielded 0.5 - 1.4 gm of gold per tonne . This is a new find which calls for greater efforts for finding gold in this Shear Zone in the next field season ( 1991-92 ) . In tungsten investigation in Satnala - Arhala and also in ...
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