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Geochemical Exploration for the Bougouni Area in Mali  

Kim, In-Joon (Korea Institute of Geoscience and Mineral Resources)
Publication Information
Economic and Environmental Geology / v.41, no.5, 2008 , pp. 563-575 More about this Journal
Abstract
The ore depositional and geochemical exploration on Bougouni area in Mali, central-western Africa covering $2,000\;Km^2$ was conducted for determining the detailed survey area. According to the results of this exploration, the highly potential area for the zinc-tin-gold-silver mineralization was found in Kolani and Riarako areas. The contents of zinc in heavy sand collected in the stream sediments range from 14 to 8,600 ppm, while the mean values of zinc in this area are 543 ppm with threshold($x+2{\sigma}$) of zinc anomalies being 1,000 ppm in Bougouni area. Generally zinc anomalies are associated with the tin and molybdenum anomalies and hence the anomalous area was selected for the detailed survey area for tracing the primary zinc and precious ore deposits related to these anomalies in following project.
Keywords
geochemical exploration; Bougouni; mineralization; threshold; anomalies;
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