A meteorite of carbonaceous chondrite type, which fell near Pueblito de Allende, northern Mexico, on 1969 February 8, scattering thousands of fragments over an area of 48 × 7 km. The parent body probably weighed over 30 tonnes. More than 2 tonnes of CV3-type material were collected, the largest piece weighing 110 kg. The formation age of this material is 4.6 billion years, making it some of the oldest primordial planetary material to be recovered.