Iron meteorite
Canyon Diablo
Also called Meteor Crater meteorite
Fragments of the iron asteroid that formed Meteor Crater. It was among the sources used in Corum’s earliest meteorite-dial experiments.
The specimen
- Classification
- Iron meteorite, IAB-MG, coarse octahedrite
- Event
- impact-forming fall; later finds
- Where
- Meteor Crater, northern Arizona, United States
- When it fell
- about 49,000 ± 3,000 years ago
- Found
- 1891 cataloguing date
- Known mass
- about 30 metric tonnes recovered
- Still cut for dials
- No longer (as of 2026-08-21)
Only historical Corum dial use was verified; no current reference found.
Sources
- iwatchome.net — Corum historical exhibition report1986 Corum dial use of Canyon Diablo and Toluca
- lpi.usra.edu — Meteor Crater age entry49,000 ± 3,000 year crater age
- Lunar and Planetary Institute — Meteorite propertiesrelationship to Meteor Crater
- Meteoritical Bulletin Database — Canyon Diabloofficial classification, Arizona and 30 t catalogued mass