File:The Neap, Hermaness, in winter - geograph.org.uk - 1124798.jpg
The_Neap,_Hermaness,_in_winter_-_geograph.org.uk_-_1124798.jpg (640 × 426 pixels, file size: 104 KB, MIME type: image/jpeg)
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[edit]DescriptionThe Neap, Hermaness, in winter - geograph.org.uk - 1124798.jpg |
English: The Neap, Hermaness, in winter. With Neapna Stack in the foreground. One for the geologists, as in winter the banded rocks are no longer obscured by breeding seabirds.
Shetland is full of spectacular and often ancient metamorphic rocks like this cliff, which is formed of gneiss banded with granitic intrusions. The age of these rocks is uncertain, but they are probably over 500 million years old. The rocks started out as sediments, probably sandy deposits, which were buried deep in the crust of the Earth by later deposition. This subjected them to extremes of temperature and pressure which brought them close to the point of melting. They were also intruded by bands of granitic rock, and the whole lot was deformed by what would appear to be complex folding, producing the 'marble cake' effect. Finally, they were uplifted and exhumed, probably by a combination of tectonic movement and surface erosion, with the structure further exposed by the relatively recent marine erosion which has formed the cliff itself. Based on explanation from Anne Burgess, although any errors in the explanation are certainly mine. See 1124783 for a wider view. |
Date | |
Source | From geograph.org.uk |
Author | Mike Pennington |
Attribution (required by the license) InfoField | Mike Pennington / The Neap, Hermaness, in winter / |
InfoField | Mike Pennington / The Neap, Hermaness, in winter |
Camera location | 60° 49′ 10″ N, 0° 54′ 33″ W | View this and other nearby images on: OpenStreetMap | 60.819430; -0.909100 |
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Object location | 60° 49′ 24″ N, 0° 54′ 29″ W | View this and other nearby images on: OpenStreetMap | 60.823460; -0.908100 |
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Licensing
[edit]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 Mike Pennington and is licensed for reuse under the Creative Commons Attribution-ShareAlike 2.0 license.
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current | 01:48, 25 February 2011 | 640 × 426 (104 KB) | GeographBot (talk | contribs) | == {{int:filedesc}} == {{Information |description={{en|1=The Neap, Hermaness, in winter With Neapna Stack in the foreground. One for the geologists, as in winter the banded rocks are no longer obscured by breeding seabirds. Shetland is full of spectac |
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60°49'9.95"N, 0°54'32.76"W
18 January 2009
60°49'24.46"N, 0°54'29.16"W
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