Fig. 7

Time-resolved LA ICP-MS spectra revealing PGE admixture in Cr-spinel and PGM inclusions. (A) two Pt-Os-Ir-Rh inclusions of different size; (B) an Ir-Os inclusion with minor Pt and a Pt inclusion with possible Ir admixture.

Time-resolved LA ICP-MS spectra revealing PGE admixture in Cr-spinel and PGM inclusions. (A) two Pt-Os-Ir-Rh inclusions of different size; (B) an Ir-Os inclusion with minor Pt and a Pt inclusion with possible Ir admixture.