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 65
... mineralisation . The work has resulted in identifying economi- cally significant zones of gold mineralisation in G.R. Halli south , Ajjanahalli west and Tank Reef zone in Bellara . In G.R. Halli ( South ) and further south in the ...
... mineralisation . The work has resulted in identifying economi- cally significant zones of gold mineralisation in G.R. Halli south , Ajjanahalli west and Tank Reef zone in Bellara . In G.R. Halli ( South ) and further south in the ...
Page 133
... mineralisation is noticed in the trench PNT - 26 . This mineralisa- tion is expected to continue in Mannadipatti South Block , which lies in the immediate strike continu- ity in the north . Quartz veins associated with the shear zone ...
... mineralisation is noticed in the trench PNT - 26 . This mineralisa- tion is expected to continue in Mannadipatti South Block , which lies in the immediate strike continu- ity in the north . Quartz veins associated with the shear zone ...
Page 215
... mineralisation in the southern part of Chitradurga schist belt . IP and magnetic surveys in Chabala area brought out three significant anomaly zones which appear to be due to quartz / carbonate and BIF bands within metabasalts ...
... mineralisation in the southern part of Chitradurga schist belt . IP and magnetic surveys in Chabala area brought out three significant anomaly zones which appear to be due to quartz / carbonate and BIF bands within metabasalts ...
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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