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 103
... belt comprises mafic - ultramafic suit of volcanic rocks with minor sediments and forms the central part of the Proterozoic mobile belt sandwitched between Chhotanagpur Gneissic Complex to the north and Singhbhum craton to the south ...
... belt comprises mafic - ultramafic suit of volcanic rocks with minor sediments and forms the central part of the Proterozoic mobile belt sandwitched between Chhotanagpur Gneissic Complex to the north and Singhbhum craton to the south ...
Page 27
... belt , Anantapur district , Andhra Pradesh with a view to identifying additional target areas for gold . Large scale mapping on 1 : 12,500 scale over an area of 95 sq km and litho geochemical sampling on a grid pattern ( 2 km x 250 m ) ...
... belt , Anantapur district , Andhra Pradesh with a view to identifying additional target areas for gold . Large scale mapping on 1 : 12,500 scale over an area of 95 sq km and litho geochemical sampling on a grid pattern ( 2 km x 250 m ) ...
Page 45
... belt in the western margin consists of banded gneiss , migmatite and banded prophyritic gneiss . It is overlain by mataba- salt and its variants with minor acid volcanics . The con- tact between basement gneiss and the schist belt is ...
... belt in the western margin consists of banded gneiss , migmatite and banded prophyritic gneiss . It is overlain by mataba- salt and its variants with minor acid volcanics . The con- tact between basement gneiss and the schist belt is ...
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