Jarosite versus Soluble Iron-Sulfate Formation and Their Role in Acid Mine Drainage Formation at the Pan de Azúcar Mine Tailings (Zn-Pb-Ag), NW Argentina [PDF]
Secondary jarosite and water-soluble iron-sulfate minerals control the composition of acid mine waters formed by the oxidation of sulfide in tailings impoundments at the (Zn-Pb-Ag) Pan de Azúcar mine located in the Pozuelos Lagoon Basin (semi-arid ...
Alicia Kirschbaum +5 more
core +3 more sources
MINERALOGICAL AND GEOCHEMICAL FEATURES OF SULFIDE CHIMNEYS OF THE YUBILEYNOE MASSIVE SULFIDE DEPOSIT (SOUTH URALS) [PDF]
Three mineral types of hydrothermal chimneys (pyrite-chalcopyrite, pyrite-sphalerite-chalcopyrite and chalcopyrite-pyrite-sphalerite) form a continuous mineralogical range in ores from the Yubileynoe deposit.
A.S. Tseluyko +5 more
doaj +1 more source
‘Soft’ phonon modes,structured diffuse scattering and the crystal chemistry of Fe-bearing sphalerites [PDF]
Electron diffraction has been used to carefully investigate the reciprocal lattices of a range of iron-bearing sphalerites looking for evidence of Fe clustering and/or Fe/Zn ordering in the form of either additional satellite reflections or a structured ...
Liu, Yun +4 more
core +2 more sources
Utilization of flotation in copper extraction from polymetallic ore [PDF]
The aim of this study was to examineflotation of utility metals from poor polymetallic ores and verify the potential for profitable yields in connection withpotentially economic deposits of non-ferrous metals.The paper describes results in ...
Janáková, Iva +2 more
core +1 more source
Leaching and thermal decomposition of mechanically activated sphalerite-pyrite mixture [PDF]
The effect of mechanical activation and pyrite addition on the thermal decomposition and acid leaching of sphalerite was studied. Mechanical activation enhances both hydrometallurgical and pyrometallurgical processing of sphalerite.
Balá Peter
doaj
Modeling of Structure, Thermodynamic Properties and Phase Transition Temperaturesof II-VI Crystals [PDF]
The work is devoted to the theoretical calculations and experimental study of important thermodynamic parameters of II-VI crystals. Cubic sphalerite and hexagonal wurtzite cluster models of polymorphs for stoichiometric II-VI crystals (ZnX, CdX; X = S ...
T.O. Parashchuk
doaj +1 more source
Status of Ecosystem Services in Abandoned Mining Areas in the Iberian Peninsula: Management Proposal
An abandoned sphalerite mining area in the southwest (SW) of the Iberian Peninsula was studied to evaluate the impact that the presence of metal(loid)s has on soil and ecosystem health.
María González-Morales +2 more
doaj +1 more source
Activation of Sphalerite by Ammoniacal Copper Solution in Froth Flotation
The activation of sphalerite particles by ammoniacal copper solution (ACS) was investigated in this study. This microflotation study was conducted on a single sphalerite mineral with the particles size of 38 μm to 75 μm.
Xian Xie, Kai Hou, Bo Yang, Xiong Tong
doaj +1 more source
A novel property of DNA - as a bioflotation reagent in mineral processing. [PDF]
Environmental concerns regarding the use of certain chemicals in the froth flotation of minerals have led investigators to explore biological entities as potential substitutes for the reagents in vogue.
Balasubramanian Vasanthakumar +2 more
doaj +1 more source
Pb-Zn and minor U mineralization at Tyndrum, Scotland. [PDF]
This mineralization occurs as veins and vein breccias in fractures associated with the Tyndrum-Glen Fyne fault. Quartz, galena and sphalerite, with minor chalcopyrite and baryte, are accompanied by small inclusions (in the galena-rich veins) of ...
Bethke +14 more
core +1 more source

