File:Fossil Forest, West Lulworth, Dorset - geograph.org.uk - 603310.jpg
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Summary
| Description |
English: Fossil Forest, West Lulworth, Dorset The Fossil Forest provides a fascinating insight into conditions prevailing in the Upper Jurassic period, 135 million years ago. They are on a ledge some 25 metres above the sea.
On this ledge are some ring-shaped structures up to 2m across. These are moulds of gymnosperms (early coniferous trees) which died after being encased in sediment. Most of the trees were upright leaving round holes, but some had fallen leaving elongate coffin-shaped moulds. Français : Traces fossilisées d'arbres datés du Jurassique supérieur (-135 millions d'années environ).
Ils sont situés sur un rebord de falaise, à environ 25 mètres au-dessus de la mer (à West Lulworth, Dorset|Dorset). Les "anneaux" (jusqu'à 2m de large) visibles sur cette corniche sont des moulages d'arbres appartenant au sous-embranchement paraphylétique de sgymnospermes (ayant également produit les conifères contemporains). Le trou correspond au troncs des arbres morts après avoir été ensevelis dans des sédiments. La plupart des arbres ont été ensevelis debout, laissant des trous ronds, mais certains étaient tombés. Ces derniers ont laissé une forme allongée See also :
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| Date | |
| Source | From geograph.org.uk |
| Author | Julian Dowse |
| Attribution (required by the license) | Julian Dowse / Fossil Forest, West Lulworth, Dorset / |
| Camera location |   | View this and other nearby images on: OpenStreetMap |  |
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| 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 Julian Dowse 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: Julian Dowse
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 23:12, 6 February 2011 | | 640 × 429 (126 KB) | GeographBot | == {{int:filedesc}} == {{Information |description={{en|1=Fossil Forest, West Lulworth, Dorset The Fossil Forest provides a fascinating insight into conditions prevailing in the Upper Jurassic period, 135 million years ago. They are on a ledge some 25 metr |
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