An epithermal adularia-sericite type or low-sulfatization type Au-Ag mineralization with quartz-sulfide gold-bearing and carbonate phases in the supergene stage. The oxidized zone is formed at depth approximately up to 100 m.
Ref.:
Kunov, A. & Mandova, E. (1997): Supergene minerals of the Obichnik Au-Ag deposit (Eastern Rhodopes). Spisanie na Bulgarskoto Geologichesko Druzhestvo 58, 19-24. (in Bulgarian)
Mineral List:27 entries listed. 24 valid minerals.
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