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 13
... metabasalt and tuffs with intercalations of banded magnetite , heamatite quartzite / ferruginous chert Schistose metabasalt with meta - andesite / rhyolite bands Massive to crudely foliated metabasalt Pillowed matabasalt -Unconformity ...
... metabasalt and tuffs with intercalations of banded magnetite , heamatite quartzite / ferruginous chert Schistose metabasalt with meta - andesite / rhyolite bands Massive to crudely foliated metabasalt Pillowed matabasalt -Unconformity ...
Page 28
... metabasalt , metaacid volcanics and metatuffs . It is surrounded by late to post - tectonic granodiorite and pink granite . These rocks are in- truded by basic dykes and veins of quartz and pegmatite . The rocks have undergone three ...
... metabasalt , metaacid volcanics and metatuffs . It is surrounded by late to post - tectonic granodiorite and pink granite . These rocks are in- truded by basic dykes and veins of quartz and pegmatite . The rocks have undergone three ...
Page 229
... metabasalt traversed by quartz - carbonate veins is the host rock for gold . Muthavakunta block comprises ultramafics , metabasalts , acid volcanics , chlorite schists , BIF , carbonate band , quartzite and quartz - mica schist ...
... metabasalt traversed by quartz - carbonate veins is the host rock for gold . Muthavakunta block comprises ultramafics , metabasalts , acid volcanics , chlorite schists , BIF , carbonate band , quartzite and quartz - mica schist ...
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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