Records of the Geological Survey of India, Volume 129, Part 5Government of India, 1994 - Geology Includes the "Annual report of the Geological Survey of India," 1867- |
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Page 81
... collected from these trenches besides four chip samples of BIF . Twentyfive samples each were collected for petrological and pertochemical studies . Geologically , the BIF bands are seen in a coun- try rock chiefly represented by ...
... collected from these trenches besides four chip samples of BIF . Twentyfive samples each were collected for petrological and pertochemical studies . Geologically , the BIF bands are seen in a coun- try rock chiefly represented by ...
Page 87
... collected for analysis . Results are awaited . Apart from the pitting and trenching , 6 channels were cut in the amphibolite band BIF across their strike direction . Rock samples were collected 5 to 8 cm below the surface to a width of ...
... collected for analysis . Results are awaited . Apart from the pitting and trenching , 6 channels were cut in the amphibolite band BIF across their strike direction . Rock samples were collected 5 to 8 cm below the surface to a width of ...
Page 131
... collected from the shear zone north of Ponnaiyar river analysed Mo values rangning from 16 to 5,500 ppm . The encouraging results necessitated the need for further explora- tion in this part and the work was taken from Ponnaiyar North ...
... collected from the shear zone north of Ponnaiyar river analysed Mo values rangning from 16 to 5,500 ppm . The encouraging results necessitated the need for further explora- tion in this part and the work was taken from Ponnaiyar North ...
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Common terms and phrases
acid volcanics amphibolite ANANTAPUR DISTRICT ANDHRA PRADESH anomaly zones anorthosite assessment auriferous banded iron formation beach ridges bedrock beds BIF bands biotite biotite gneiss block boreholes carried charnockite chert Chitradurga clay delineated deposits depth Dharwar dips dolerite drilling dykes east eastern emplaced ENE-WSW excavated exposed field season folds foliation foundation gabbro geochemical GEOLOGICAL MAP geophysical geotechnical investigations gneiss Gneissic gold mineralisation granite gneiss granulite gravity grey grout hornblende INDEX indicated intrusives joints KARNATAKA KERALA kimberlite laterite lignite limestone lineament located mafic magnetic metabasalt migmatites mineral mineralised zones NE-SW NNW-SSE NW-SE occur overburden pegmatite Plate power house PROJECT pyrite quartz quartz veins quartzite regional reservoir river rock types samples scale schist belt schistose sediments shear zone slope soil southern spillway sq km strike length structural studies sulphides surveys TAMIL NADU thickness traversed trenching trending tunnel ultramafic upto vertical weathered width