The primitive achondrites include the acapulcoites, brachinites, lodranites, winonaites, and ureilites.
They are achondrite meteorites that retain chondrite characteristics such as relict chondrules and chemical composition as the result of extensive recrystallization or partial melting.
Click on the images below to learn about some of the primitive achondrites in the ASU Center for Meteorite Studies collection!
