Sverjensky D A. Europium redox equilibria in aqueous solution[J]. Earth Planet. Sci. Lett., 1984,67:70~78.
[8]
Wood S A. The aqueous geochemistry of the rare- earth elements and yttrium, 1. Review of available low-temperature data for inorganic complexes and the inorganic REE speciation of natural waters[J]. Chem. Geol., 1990,82:159~186.
[9]
Condie K C. Plate Tectonics and Crustal Evolution. Seconded edition[M]. New York: Pergamon Press, 1982.