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Description: | A sedimentary structure in ironstone. The ironstone is a nodule which is dark brown in colour. The specimen narrows towards the one end and is broken at both ends. Three depressions on the side of the nodule. The specimen is circular. Some matrix is cemented to the surface below the label. AR/CB
A sedimentary structure in ironstone which is around 310 million years old | License: | http://creativecommons.org/licenses/by/2.0/uk/ | Publisher: | Sandwell Museums | Rights holder: | Sandwell Museums | Subjects: | Mineralogy Geology | Temporal: | Carboniferous - Pennyslvanian | Source: | Black Country History | Identifier: | http://www.blackcountryhistory.org/colle... | Go to resource |
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