Erratum to: Environ Earth Sci DOI 10.1007/s12665-012-1806-9

The authors would like to correct errors in the original publication as detailed below:

The author affiliations of R. Zhang and F. Xie should be corrected as:

R. Zhang

State Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang 550002, China

F. Xie

CAS Key Laboratory of Crust-Mantle Materials and Environment, School of Earth and Space Sciences, Hefei 230026, China