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 91
... exposed in the central part of the area ( A - zone ) has been chosen for the first phase of exploration by drilling based on the fol- lowing considerations : ( i ) the quartz vein has an exposed width of 3m and length of 60 m and shows ...
... exposed in the central part of the area ( A - zone ) has been chosen for the first phase of exploration by drilling based on the fol- lowing considerations : ( i ) the quartz vein has an exposed width of 3m and length of 60 m and shows ...
Page 156
... exposed at the site of Bund - ' B ' . The quartzite is exposed in the COT , below a thick cover of bouldery overburden material . The quartzite is hard and fresh below a thin weathered zone . It is blocky with the presence of a number ...
... exposed at the site of Bund - ' B ' . The quartzite is exposed in the COT , below a thick cover of bouldery overburden material . The quartzite is hard and fresh below a thin weathered zone . It is blocky with the presence of a number ...
Page 229
... exposed mostly altered zones in schistose amphibolite / felsic schists with occasional sulphides . Susceptibility lows are observed over altered zones . GROUND GEOPHYSICAL FOLLOW - UP OF AEROGEOPHYSICAL ANOMALIES OVER RAMAGIRI ...
... exposed mostly altered zones in schistose amphibolite / felsic schists with occasional sulphides . Susceptibility lows are observed over altered zones . GROUND GEOPHYSICAL FOLLOW - UP OF AEROGEOPHYSICAL ANOMALIES OVER RAMAGIRI ...
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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