File:Diorama of the Burgess Shale Biota (Middle Cambrian) - arthropods, sponges, worms.jpg
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Summary
DescriptionDiorama of the Burgess Shale Biota (Middle Cambrian) - arthropods, sponges, worms.jpg |
English: The Middle Cambrian-aged Burgess Shale is the most famous fossil deposit on Earth. It is located near the town of Field in Yoho National Park, southeastern British Columbia, western Canada. The deposit is famous for its spectacular soft-bodied preservation - the organisms have had their appendages & internal organs preserved. Many tens of thousands of fossils have been collected from the Burgess Shale Formation over the last century. Including known, but unnamed species, and excluding known or demonstrable junior synonyms, the Burgess Shale biota totals at least ~280 species.
Many claim that Charles Walcott discovered the Burgess Shale Lagerstätte (as soft-bodied fossil deposits are called by paleontologists) in 1909. However, it was actually discovered in 1886 or 1888 by Richard McConnell, based on anomalocarid appendage material from Mt. Stephen, in the Campsite Cliff Member of the Burgess Shale Formation. The main collecting localities have been two quarries (Walcott Quarry & Raymond Quarry) on the western side of the ridge connecting Mt. Field and Wapta Mountain a little north-northeast of Field. Numerous other smaller localities have been identified in the same area & for many, many kilometers to the south. Collecting at the Burgess Shale was most intense in 1910-1917 (Charles Walcott), 1925-1930 (Harvard’s Museum of Comparative Zoology), 1966-1967 (Geological Survey of Canada), and 1975-2000s (Royal Ontario Museum). Shown above is a diorama - a model-based reconstruction of the Burgess Shale. This is a public exhibit at the Museum of the Rockies in Bozeman, Montana. The branching & tapering tube-like structures are sponges. The seafloor has a variety of organisms, including dorypygid trilobites, Marpolia bacteria/algae, Dinomischus, annelid worms, Sidneyia, hyoliths, Pirania and Choia sponges, and Wiwaxia. |
Date | |
Source | https://www.flickr.com/photos/jsjgeology/33312615535/ |
Author | James St. John |
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This image was originally posted to Flickr by James St. John at https://flickr.com/photos/47445767@N05/33312615535. It was reviewed on 18 April 2022 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0. |
18 April 2022
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 12:56, 18 April 2022 | 3,648 × 1,671 (2.32 MB) | Qohelet12 | Uploaded a work by James St. John from https://www.flickr.com/photos/jsjgeology/33312615535/ with UploadWizard |
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