File:Differential weathered-differential eroded igneous rock having intersecting granite dikes.jpg
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English: Differential weathering and differential erosion on a dark-colored igneous rock having light-colored granite dikes. (public display, Field Museum of Natural History, Chicago, Illinois, USA)
Differential weathering and differential erosion are often (jokingly) the default explanations for odd-looking rocks or unusual geologic scenery (e.g., Arches National Park & Fantasy Canyon in Utah). But they are important, real-life processes. Differential weathering and differential erosion refer to hard, resistant rocks & minerals weathering and eroding slowly and softer, less-resistant rocks & minerals eroding quickly. The rock seen here is an intrusive igneous rock (gabbro?) with two intersecting, pinkish-colored granite dikes. The dikes noticeably project from the rock surface. The dark host rock has weathered & eroded at a faster rate than the granite dikes. |
| Date | |
| Source | https://www.flickr.com/photos/47445767@N05/14973078207/ |
| 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@N05/14973078207. It was reviewed on 22 October 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 | |
|---|---|---|---|---|---|
| current | 18:35, 22 October 2020 | | 2,892 × 1,891 (3.1 MB) | Ser Amantio di Nicolao (talk | contribs) | Uploaded a work by James St. John from https://www.flickr.com/photos/47445767@N05/14973078207/ with UploadWizard |
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