Kitts B.K.; Podosek F.A.; Nichols R.H.; Brannon J.C.; Ramezani J.; Korotev R.L.; Jolliff B.L.
(2003)
We have analyzed by thermal ionization mass spectrometry (TIMS) the isotopic composition of Cr in five progressive etches of size-sorted plagioclase grains separated from lunar soils 60601 and 62281. Aliquots of the etch ...