File:Intrusive contact zone - geograph.org.uk - 1359398.jpg
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Intrusive_contact_zone_-_geograph.org.uk_-_1359398.jpg (640 × 480 pixels, file size: 98 KB, MIME type: image/jpeg)
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| Description |
English: Intrusive contact zone Approaching the summit ridge of Tal y Fan, a prominent feature marks the lower contact zone of the thick, dolerite intrusion. Here, rocks of the Ordovician Capel Curig Volcanic Formation are seen to be cleaved mudstones and tuffs which appear to have been baked and indurated by the overlying sill-like intrusion. The toughened rocks make a resistant zone which stands out like a wall from the grassy slope. |
| Date | |
| Source | From geograph.org.uk |
| Author | Jonathan Wilkins |
| Attribution (required by the license) | Jonathan Wilkins / Intrusive contact zone / |
| Camera location |   | View this and other nearby images on: OpenStreetMap |  |
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_heading:315.00&language=en){kind=link}
| Object location | | View this and other nearby images on: OpenStreetMap | |
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_heading:315.00&language=en){kind=link}
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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 | 08:03, 28 February 2011 | | 640 × 480 (98 KB) | GeographBot (talk | contribs) | == {{int:filedesc}} == {{Information |description={{en|1=Intrusive contact zone Approaching the summit ridge of Tal y Fan, a prominent feature marks the lower contact zone of the thick, dolerite intrusion. Here, rocks of the Ordovician Capel Curig Volcani |
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