File:Normal fault (Moab Canyon, Utah, USA).jpg
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| Description |
English: Normal fault cutting Pennsylvanian sedimentary rocks in Utah, USA.
Faults are fractures or fracture systems in rocks along which there has been differential displacement. Faults are produced by either extensional stress, compressional stress, or shear stress. Movement along faults is usually in the form of sudden jolts, which produces earthquakes. Just south of the southern park boundary of Arches National Park in eastern Utah, USA is the Moab Fault. It extends along Moab Canyon, roughly parallel with Rt. 191. Across the road from the park's visitor center is a roadcut (see above photo) with beds of the (apparently) Honaker Trail Formation (Pennsylvanian) that have been chewed up by minor splays of the Moab Fault System. The fault shown here is a normal fault, formed by extensional stress. The hanging wall (= right block) has moved downward and the footwall (= left block) has moved upward. Locality: roadcut on the southern side of Rt. 191, south of Arches National Park visitor center, Moab Canyon, northwest of the town of Moab, southern Grand County, eastern Utah, USA (38° 36’ 51.40” North latitude, 109° 37’ 15.03” West longitude) |
| Date | |
| Source | https://www.flickr.com/photos/47445767@N05/30773833752/ |
| 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@N05/30773833752. It was reviewed on 2 December 2020 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0. |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
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| current | 15:36, 2 December 2020 | | 2,840 × 3,604 (4.5 MB) | Ser Amantio di Nicolao (talk | contribs) | Uploaded a work by James St. John from https://www.flickr.com/photos/47445767@N05/30773833752/ with UploadWizard |
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