MINERALOGICAL CHARACTERIZATION OF RUDIMENTARIAMENTALLY EXTRACTED AURIFIED YIELDS (GOLDFIELDS) WITH MERCURY IN ANTIOQUIA, COLOMBIA
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Abstract
The benefit of goldfields by artisanal methods with mercury poses one of the most difficult environmental challenges and public health in the northeast of Antioquia-Colombia, because emissions between 50 and 100 tons of mercury are estimated per year associated with artisanal gold mining. In this paper the chemical and mineralogical characterization of three goldfields in northeastern Antioquia presents, these deposits are currently benefited with mercury. The percentage of phases calculated according to analysis by QEMSCAN® indicates that the samples from the gold deposits are formed mainly by quartz, k-feldspar and muscovite with other minor phases also present. The gold present in these samples is determined using a field emission scanning electron microscope (FE-SEM) with Mineralogic Mining, it was determined that gold is mainly as nanoscopic nodules scattered in pyrite and muscovite, besides gold is also found as electrum in particles of several microns in size, also it provides that in the three samples gold is in anatase. This basic information will propose studies of gravimetric and chemical concentration besides leaching methods that allow the extraction of gold without using mercury.
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How to Cite
Echeverry, L. (2019) “MINERALOGICAL CHARACTERIZATION OF RUDIMENTARIAMENTALLY EXTRACTED AURIFIED YIELDS (GOLDFIELDS) WITH MERCURY IN ANTIOQUIA, COLOMBIA”, INFOMIN, 8(2), pp. 26–33. Available at: https://infomin.edicionescervantes.com/index.php/i/article/view/92 (Accessed: 22 June 2026).
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