Oxygen- and magnesium-isotope compositions of calcium-aluminum-rich inclusions from Rumuruti (R) chondrites Posted on June 26, 2014 by UHNAI Webmaster in Rout, S.S., A. Bischoff, K. Nagashima, A. N. Krot, G. R. Huss, K. Keil (). Oxygen- and magnesium-isotope compositions of calcium-aluminum-rich inclusions from Rumuruti (R) chondrites. , 73,