Rock 365 : Day 350 : Carbonaceous Chondrite
Day 350 : This is a carbonaceous chondrite, part of the Allende
Meteorite that landed near Pueblito de Allende, Allende, Chihuahua,
Mexico on February 8, 1969. The calcium-aluminium-iron chondrules are
estimated to be 4.567 billion years old, the oldest known matter,
predating the Earth by 30 million years. Keele collection.