Mobile forms of gold and pathfinder elements in the secondary dispersion halo of Novye Pesky gold ore outcroppings (south Karelia)
DOI:
https://doi.org/10.21638/11701/spbu07.2017.104Abstract
We investigated podzolic soil, which is formed above the host rock of Novye Pesky gold ore occurrence. Mobile forms of Au, As, Cu, Ni, Zn, Se, Ag, Te, Sb, Pb, Mo and Bi were identified with a sequential extraction method and migration form calculation by Geochemist’s Workbench in secondary dispersion halo. The gold has characteristics different from other elements: the main mobile forms of gold are water-soluble, bound to organic matter, bound to Fe and Mn-(oxy)hydroxides. The main forms of gold are AuCl2– and Au+ in the aqueous phase. Refs 42. Figs 3. Tables 5.
Keywords:
soil, gold, pathfinder elements, sequential extraction, mobile forms, secondary dispersion halos
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Articles of "Vestnik of Saint Petersburg University. Earth Sciences" are open access distributed under the terms of the License Agreement with Saint Petersburg State University, which permits to the authors unrestricted distribution and self-archiving free of charge.