File:Fossil tree stump in Lister Park - geograph.org.uk - 33186.jpg

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English: Fossil tree stump in Lister Park. The plaque reads: "The fossil was uncovered in 1889 in sandstone quarries at Clayton near Bradford. This stump and roots (called Stigmaria) are all that remain of a giant tree. It grew in forests in Carboniferous times, 330 million years ago. Yorkshire was a hot, steamy tropical swamp near the Equator. The tree was 40 metres high. Can you see its huge spreading roots? During a flood the trunk was snapped off. The decaying hollow stump filled up with sand. The outer wood layers became coal. Over millions of years the sand hardened into sandstone rock. The tree stump became a fossil."
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Source From geograph.org.uk
Author David Spencer
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David Spencer / Fossil tree stump in Lister Park / 
David Spencer / Fossil tree stump in Lister Park
Object location53° 48′ 52.64″ N, 1° 46′ 30.6″ W Kartographer map based on OpenStreetMap.View this and other nearby images on: OpenStreetMapinfo

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This file is licensed under the Creative Commons Attribution-Share Alike 2.0 Generic license.
Attribution: David Spencer
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current13:45, 30 January 2010Thumbnail for version as of 13:45, 30 January 2010640 × 480 (207 KB)GeographBot (talk | contribs)== {{int:filedesc}} == {{Information |description={{en|1=Fossil tree stump in Lister Park. The plaque reads: "The fossil was uncovered in 1889 in sandstone quarries at Clayton near Bradford. This stump and roots (called Stigmaria) are all that remain of

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