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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.