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Description: | An incomplete fairly well preserved trace fossil known as Thalassinoides which is part of the Cruziana ichnofacies. The trace fossil itself is on the bedding plane of the limestone block in which it is located (304mm x 96mm x 27mm). The trace fossil (94mm x 11mm x 12mm) is rounded in profile and has a pale orange iron oxide coating on its surface. It is the shape of the letter J with the cure near the edge of the specimen. The surface of the limestone has a nodular appearance and has patches of iron oxide (29mm x 20mm & 39mm x 21mm & 24mm x 10mm & 27mm x 12mm & 8mm x 9mm). On the bottom of the specimen is the number 7 ink black ink. This indicates that this specimen was collected from Steven Birchs locality 7 (grid ref SO 9370 9150) which is within the Much Wenlock Limestone Formation, Nodular Member. This is Silurian dating at c425my and was collected from the Wrens Nest, Dudley, West Midlands. AR
An incomplete trace fossil called Thalassinoides which is approximately 425 million years old | License: | http://creativecommons.org/licenses/by/2.0/uk/ | Publisher: | Dudley Museums Service | Rights holder: | Dudley Museums Service | Subjects: | Steven Birch Collection Geology | Temporal: | Silurian - Wenlock | Source: | Black Country History | Identifier: | http://www.blackcountryhistory.org/colle... | Go to resource |
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