Age: 4567 Ma
Timescale (Eon/Era/Period): Pre-Earth
Rock type: Meteorite (breccia)
Rock name: Carbonaceous chondrite
Major minerals: chondrules (round olivine), CAIs (irregular, white)
Locality: Allende, Mexico
Comment: CAI = calcium-aluminum inclusions (anorthite, spinel), the oldest minerals in the solar system. This meteorite fell on February 8th, 1969.
Rocks Through Geological Time Activity (EOSC220 Introductory Mineralogy, UBC)