File:Chugwater Formation (Upper Triassic; Route 28 roadcut at Red Canyon, Wind River Range, Wyoming, USA) 2.jpg
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English: Redbeds in the Triassic of Wyoming, USA.
Redbeds are hematite-rich siliciclastic sedimentary rocks (shale, siltstone, sandstone, conglomerate). Hematite is iron oxide, Fe2O3. Redbeds become common in the rock record starting at about 1.8 billion years ago, in the late Paleoproterozoic. At that time, atmospheric oxygen (O2) levels were high enough to result in "rusting" of iron at Earth's surface. Redbeds are especially common in nonmarine Permian and Triassic successions. Stratigraphy: Chugwater Formation, Upper Triassic Locality: roadcut on the eastern side of Route 28 in Red Canyon, eastern flanks of the far-southeastern Wind River Range, western Wyoming, USA (42° 36' 42.36" North latitude, 108° 36' 26.02" West longitude) |
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| Source | https://www.flickr.com/photos/47445767@N05/50067793767/ |
| Author | James St. John |
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This image was originally posted to Flickr by James St. John at https://flickr.com/photos/47445767@N05/50067793767. It was reviewed on 13 October 2020 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0. |
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| current | 00:16, 13 October 2020 | | 3,008 × 2,000 (5.19 MB) | Ser Amantio di Nicolao (talk | contribs) | Uploaded a work by James St. John from https://www.flickr.com/photos/47445767@N05/50067793767/ with UploadWizard |
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