Mineralogy of gold and silver of gossans of the Alexandrinskoe deposit (South Urals)
I.A. Blinov, E.V. Belogub, K.A. Novoselov
UDК 549, 553.08
The precious metal minerals were found in gossans of the Alexandrinskoe deposit: native gold with 4.64–9.39 wt. % Cu, Cu-bearing mercurian electrum, members of the bromargyrite-chlorargy-rite series and iodargyrite. Rare Ag-Hg sulfde-halogenide close to capgaronnite is associated with goethite, native gold, azurite and silver halogenides. Morphology and mineral assemblage of gold indicate its supergene origin.
Figures 3. Tables 4. References 35.
Key words: brown iron ore, minerals of precious metals, gold, silver halides, Alexandrinskoe deposit, South Urals.
МINERALOGY № 3 2017