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Summary
| Description |
English: Dalradian metasediments near Ormsary in Scotland. The rocks show intermittent cleavage. In this sea-washed and eroded outcrop of Dalradian metamorphosed sedimentary rock the layers of finely-bedded sandstone are well displayed. Layers which were more muddy, and of finer-grain have developed a cleavage at a steep angle to the bedding during dynamic metamorphism. The coarser sandstones have a less-reactive composition and have not developed a foliation due to orientated mineral growth to the same degree, and are also more resistant to erosion, resulting in the cleaved layers being more rapidly cut back. The rocks are of Neoproterozoic age and are part of the Ardrishaig Phyllite Formation, which is part of the Easdale Subgroup of the Argyll Group. |
| Date | |
| Source | https://www.geograph.org.uk/photo/5091930 |
| Author | Jonathan Wilkins https://www.geograph.org.uk/profile/7090 |
| Attribution (required by the license) | Jonathan Wilkins / Intermittent cleavage / |
| Object location |   | View this and other nearby images on: OpenStreetMap |  |
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Licensing
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This image was taken from the Geograph project collection. See this photograph's page on the Geograph website for the photographer's contact details. The copyright on this image is owned by Jonathan Wilkins and is licensed for reuse under the Creative Commons Attribution-ShareAlike 2.0 license.
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This file is licensed under the Creative Commons Attribution-Share Alike 2.0 Generic license.
Attribution: Jonathan Wilkins
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 19:20, 13 November 2016 | | 640 × 480 (90 KB) | GeoWriter | User created page with UploadWizard |
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