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 37
... Dharwar Craton and the Eastern Ghats Mobile Belt in Khammam , Guntur and Prakasam districts . A total of 1,600 L km was covered by traverse mapping . 150 samples were collected for petrologi- cal studies and 100 samples for geochemical ...
... Dharwar Craton and the Eastern Ghats Mobile Belt in Khammam , Guntur and Prakasam districts . A total of 1,600 L km was covered by traverse mapping . 150 samples were collected for petrologi- cal studies and 100 samples for geochemical ...
Page 76
... Dharwar schist belt and an area of 325 sq km was mapped . The main ob- jective of the mapping was to search for gold min- eralisation confined to sulphide - carbonate facies of banded iron formations . In this , the BIF are seen as ...
... Dharwar schist belt and an area of 325 sq km was mapped . The main ob- jective of the mapping was to search for gold min- eralisation confined to sulphide - carbonate facies of banded iron formations . In this , the BIF are seen as ...
Page 79
... Dharwar- Shimoga schist belt . The main lithounits met with are a thick metasedimentary sequence of greywacke , argillites , conglomerate and banded iron formations and few narrow bands of metavolcanics , belonging to Chitradurga Group ...
... Dharwar- Shimoga schist belt . The main lithounits met with are a thick metasedimentary sequence of greywacke , argillites , conglomerate and banded iron formations and few narrow bands of metavolcanics , belonging to Chitradurga Group ...
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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