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 78
... Quartz - chlorite schist is the dominant rock within the Dharwar Supergroup as- sociated with polymict conglomerate . The con- glomerate consists of pebbles and boulders of chlorite , granite , quartzite , chert and quartz veins ...
... Quartz - chlorite schist is the dominant rock within the Dharwar Supergroup as- sociated with polymict conglomerate . The con- glomerate consists of pebbles and boulders of chlorite , granite , quartzite , chert and quartz veins ...
Page 87
... quartz veins . The maximum width of quartz vein encountered is 10cm . A total of 69 trench samples were collected for analysis . Results are awaited . Apart from the pitting and trenching , 6 channels were cut in the amphibolite band ...
... quartz veins . The maximum width of quartz vein encountered is 10cm . A total of 69 trench samples were collected for analysis . Results are awaited . Apart from the pitting and trenching , 6 channels were cut in the amphibolite band ...
Page 126
... veins of quartz occur parallel to the trend of the zone . The quartz veins have a width of 20 cm to 1.00 m and strike length upto 70m . Groove sampels collected from the quartz veins have analysed upto 0.06 g / t of gold . The results ...
... veins of quartz occur parallel to the trend of the zone . The quartz veins have a width of 20 cm to 1.00 m and strike length upto 70m . Groove sampels collected from the quartz veins have analysed upto 0.06 g / t of gold . The results ...
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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