File:BIG IRON — Canyon Diablo Meteorite (50060629512).jpg
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| Description |
With a Campo Cielo and Henry down the centerline of our conference table. Each of these iron-nickel meteorites has a very different patina. Meteor Crater formed in a fraction of a second 50,000 years ago as 175 million tons of limestone and bedrock were uplifted, forming the mile-wide crater rim in the formerly flat terrain. The meteorite was only 150 ft. wide but created a 40-megaton blast, destroying 99.999% of the half-million ton mass and creating a spectacular crater. The Canyon Diablo remains were discovered in 1891, and led to mining attempts to find the missing iron mass for the booming railway industry. In 1953, Clair Cameron Patterson measured ratios of the lead isotopes in samples of the meteorite. The result permitted a refinement of the estimate of the age of the Earth to 4.55 billion years (<a href="https://en.wikipedia.org/wiki/Canyon_Diablo_(meteorite)" rel="noreferrer nofollow">Wikipedia</a>). Coarse octahedrite, <a href="https://www.lpi.usra.edu/meteor/metbull.php?code=5257" rel="noreferrer nofollow">IAB-MG </a> |
| Date | |
| Source | BIG IRON — Canyon Diablo Meteorite |
| Author | Steve Jurvetson from Los Altos, USA |
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This image was originally posted to Flickr by jurvetson at https://flickr.com/photos/44124348109@N01/50060629512. It was reviewed on 10 May 2021 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0. |
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| current | 09:12, 10 May 2021 | | 4,480 × 6,665 (3.8 MB) | Sentinel user (talk | contribs) | Transferred from Flickr via #flickr2commons |
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