Zinner E.; Amari S.; Guinness R.; Nguyen A.; Stadermann F.J.; Walker R.M.; Lewis R.S.
(2003)
With a new type of ion microprobe, the NanoSIMS, we determined the oxygen isotopic compositions of small (<1μm) oxide grains in chemical separates from two CM2 carbonaceous meteorites, Murray and Murchison. Among 628 grains ...