By Bernd Lottermoser
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Extra info for Environmental Indicators in Metal Mining
Appl Geochem 24:2362–2373 Morin KA (2010) The science and non-science of minesite-drainage chemistry. MDAG Internet Case Study#37. html Morth AH, Smith EE, Shumate KS (1972) Pyrite systems: A mathematical model contract report for the US protection agency. EPA-R2 72 002 Moses CO, Herman JS (1991) Pyrite oxidation at circumneutral pH. Appl Geochem 55:471–482 Moses CO, Nordstrom DK, Herman JS, Mills AL (1987) Aqueous pyrite oxidation by dissolved oxygen and by ferric iron. Geochim Cosmochim Acta 51:1561–1571 Murceigo A, Álvarez-Ayuso E, Pellitero E, Rodríguez MA, García-Sánchez A, Tamayo A, Rubio J, Rubio F, Rubin J (2011) Study of arsenopyrite weathering products in mine wastes from abandoned tungsten and tin exploitations.
Furthermore, models were recognized as too site speciﬁc, or too general. g. carbonatite deposits (Verplank et al. 2014). Plumlee (1999) looked beyond classifying by ore deposit type and identiﬁed instead the environmental signatures based on the most common host rock lithologies and alteration styles. Carbonates were recognized as the most neutralizing lithology, and acid sulfate argillic and phyllic alteration as the most acid forming alteration styles. Future developments in site characterization must focus on developing more detailed conceptual site models, which incorporate the use of tools such as biotic ligand models.
Lottermoser ferrooxidans to control the release of trace metals from sphalerite as well as the metal concentrations in solution by producing Fe-oxyhydroxides. Galena Galena (PbS) dissolution is enhanced at low pH as it dissolves faster in acidic aqueous solutions (Acero et al. 2007). At pH 1, dissolution of galena is pH, not oxygen dependant. At pH 3, this changes and the dissolved O2 content accelerates the rate of dissolution as summarised in Acero et al. (2007). General galena oxidation reactions are given in Eqs.