Petrology and Oxygen Isotopic Composition of Two Different Ungrouped Highly Magnesian, Reduced Ultramafic Achondrites (Northwest Africa 11562/12969 and Northwest Africa 13307): More Samples from Unknown Parent Bodies

A. J. Irving, Carpenter P. K., Ziegler K.

52nd Lunar and Planetary Science Conference (2021), Abstract #2244


“We describe unusual highly magnesian, reduced harzburgitic, and websteritic achondrites which differ significantly from the more well-known aubrites, and probably derive from previously unrecognized parent bodies.”