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 23
... samples , 20 ppb to 35 ppm and trench samples , 20 ppb to 19.5 ppm ) , the drilling was taken up in the block during the field season 1994-95 . The data for first level intersection ( 60 m vertically below ) boreholes viz . , VPT - 1 to ...
... samples , 20 ppb to 35 ppm and trench samples , 20 ppb to 19.5 ppm ) , the drilling was taken up in the block during the field season 1994-95 . The data for first level intersection ( 60 m vertically below ) boreholes viz . , VPT - 1 to ...
Page 55
... samples ( No. ) 221 326 Trench samples ( No. ) 37 72 * Only one rig was in operation from middle of April'95 Boreholes HG - 17,18,20 intersected mineralised zones , HG - 19 and 21 did not intersect any mineral- ised zone . For borehole ...
... samples ( No. ) 221 326 Trench samples ( No. ) 37 72 * Only one rig was in operation from middle of April'95 Boreholes HG - 17,18,20 intersected mineralised zones , HG - 19 and 21 did not intersect any mineral- ised zone . For borehole ...
Page 63
... sampling , were carried out . Bedrock profile sampling was carried out in the banded magnetite chert and 685 samples were collected from 48 profile lines . Analytical results of Au , Cu , Pb , Zn , Ni and Co for 147 samples were ...
... sampling , were carried out . Bedrock profile sampling was carried out in the banded magnetite chert and 685 samples were collected from 48 profile lines . Analytical results of Au , Cu , Pb , Zn , Ni and Co for 147 samples were ...
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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