TY - RPRT TI - Investigation of magnesium isotope fractionation during basalt differentiation: Implications for a chondritic composition of the terrestrial mantle AU - F.-Z. Teng AU - M. Wadhwa AU - Rosalind T. Helz PY - 2007 DO - 10.1016/j.epsl.2007.06.004 UR - https://pubs.usgs.gov/publication/70031384 ID - 70031384 ER -