Wood, Charles A.; Ashwal, Lewis D.; https://orcid.org/0000-0001-7277-9007
(Pergamon Press, 1981)
All dated meteorites have formation ages of 4.4 to 4.6 b.y. (Sears, 1978), except for nine achondrites which crystallized 1.3 b.y. ago (Table 1). These meteorites-shergottites, nakhlites, and chassignites (SNC)-also differ ...