dating of supergene Mn-oxides from the Zunyi Mn deposit, Guizhou Plateau, SW China: Implications for chemical...Resources, China University of Geosciences, Wuhan 430074, China Faculty of Earth Resources, China University...University of Geosciences, Wuhan 430074, China School of Earth Sciences, The University of Queensland, Brisbane...Keywords: Supergene Mn-oxides 40 Ar/39Ar geochronology Chemical denudation rate Guizhou Plateau a b s t...potassium-bearing Mn-oxides from a weathering profile at the Zunyi manganese deposit, northern Guizhou Plateau, |