Fig. 6. Rare earth element diagram comparing ALH 84001 to Chassigny (c), the nakhlites (n), and the shergottites (s), and to the mean of orthopyroxene clasts from the Johnstown diogenite. The REE data for Chassigny, Lafayette, Nakhla, Shergotty, and Zagami are from the compilation of McSween (1985). ALHA 77005, EETA 79001 lithologies A and B, and LEW 88516 are from Treiman et al. (1994). Johnstown data from Mittlefehldt (1993a).