The trace element distributions of individual minerals from seven acapulcoites and lodranites have been studied.
Systematic differences are evident between some members of the two groups.
Phosphate REE patterns in these lodranites also support this scenario. However, other members of the acapulcoite-lodranite clan exhibit more complex trace element variations. EET 84302, which has been classified as transitional between the acapulcoites and lodranites, generally has trace element characteristics similar to the acapulcoites. However, its plagioclase REE compositions suggest a somewhat greater degree of metamorphism than that experienced by acapulcoites such as Acapulco and ALHA81261. Similar and elevated REE abundances in the silicate phases from acapulcoite ALHA81187 and lodranite GRA 95209 suggest that these two meteorites, in fact, experienced similar thermal histories.