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 131
... present work , the Ponnaiyar North Block lying immediately to the north of Ponnaiyar river was taken up for prospect- ing for ' Mo ' during FS 1994-95 . Regional mapping on 1 : 31,680 scale carried out during the period 1979-82 brought ...
... present work , the Ponnaiyar North Block lying immediately to the north of Ponnaiyar river was taken up for prospect- ing for ' Mo ' during FS 1994-95 . Regional mapping on 1 : 31,680 scale carried out during the period 1979-82 brought ...
Page 202
... present beach ridge paleaobeach ridges , ( strandlines ) and tidal flat . The present beach ridge is seen all along the coast with small dunes consisting of white , fine to medium - grained sand with a few mafics . West of this are ...
... present beach ridge paleaobeach ridges , ( strandlines ) and tidal flat . The present beach ridge is seen all along the coast with small dunes consisting of white , fine to medium - grained sand with a few mafics . West of this are ...
Page 252
... present as core within goethite . Magnetite usually occurs as euhedral grains and shows martitisation . Quartz occurs as interstitial grains between the opaques . Iron oxide grains segregate and are disposed parallel to bedding ...
... present as core within goethite . Magnetite usually occurs as euhedral grains and shows martitisation . Quartz occurs as interstitial grains between the opaques . Iron oxide grains segregate and are disposed parallel to bedding ...
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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