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Burgess Shale information


Burgess Shale
Stratigraphic range:
Miaolingian
~508 Ma
PreꞒ
O
S
D
C
P
T
J
K
Pg
N
Ottoia, a soft-bodied worm, abundant in the Burgess Shale. (From Smith et al. 2015)
TypeGeological formation
Unit ofStephen Formation
Thickness161 meters (528 ft)[1]
Lithology
PrimaryShale
Location
Coordinates51°26′N 116°28′W / 51.433°N 116.467°W / 51.433; -116.467
RegionYoho National Park and Kootenay National Park
CountryCanada
Type section
Named forBurgess Pass
Named byCharles Doolittle Walcott, 1911

Map highlighting Yoho National Park in red

The Burgess Shale is a fossil-bearing deposit exposed in the Canadian Rockies of British Columbia, Canada.[2][3] It is famous for the exceptional preservation of the soft parts of its fossils. At 508 million years old (middle Cambrian),[4] it is one of the earliest fossil beds containing soft-part imprints.

The rock unit is a black shale and crops out at a number of localities near the town of Field in Yoho National Park and the Kicking Horse Pass. Another outcrop is in Kootenay National Park 42 km to the south.

  1. ^ Lexicon of Canadian Geological Units. "Burgess Shale". Archived from the original on 11 January 2013. Retrieved 6 February 2009.
  2. ^ Butterfield, N. J. (1 February 2003). "Exceptional Fossil Preservation and the Cambrian Explosion". Integrative and Comparative Biology. 43 (1): 166–177. doi:10.1093/icb/43.1.166. ISSN 1540-7063. PMID 21680421.
  3. ^ Clements, T.; Gabbott, S. (2022). "Exceptional Preservation of Fossil Soft Tissues". eLS. 2 (12): 1–10. doi:10.1002/9780470015902.a0029468.
  4. ^ Butterfield, N.J. (2006). "Hooking some stem-group" worms": fossil lophotrochozoans in the Burgess Shale". BioEssays. 28 (12): 1161–1166. doi:10.1002/bies.20507. PMID 17120226. S2CID 29130876.

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Burgess Shale

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The Burgess Shale is a fossil-bearing deposit exposed in the Canadian Rockies of British Columbia, Canada. It is famous for the exceptional preservation...

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Paleobiota of the Burgess Shale

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a list of the biota of the Burgess Shale, a Cambrian lagerstätte located in Yoho National Park in Canada. The Burgess Shale is a fossil-bearing deposit...

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Fossils of the Burgess Shale

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The fossils of the Burgess Shale, like the Burgess Shale itself, are fossils that formed around 505 million years ago in the mid-Cambrian period. They...

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Anomalocaris

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(particularly the Burgess Shale) of British Columbia, Canada. The other species A. daleyae is known from the somewhat older Emu Bay Shale of Australia. Other...

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Cambrian explosion

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satisfactory answer. American paleontologist Charles Walcott, who studied the Burgess Shale fauna, proposed that an interval of time, the "Lipalian", was not represented...

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Ottoia

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spurious grounds, the only clear Ottoia macrofossils come from the Burgess Shale of British Columbia, which was deposited 508 million years ago. Microfossils...

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2018 in arthropod paleontology

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fieldensis Walcott, a mandibulate arthropod from the middle Cambrian Burgess Shale". Royal Society Open Science. 5 (6): 172206. Bibcode:2018RSOS....572206V...

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Opabinia

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regalis is an extinct, stem group arthropod found in the Middle Cambrian Burgess Shale Lagerstätte (505 million years ago) of British Columbia. Opabinia was...

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Mudrock

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understood the significance of mudrocks since the discovery of the Burgess Shale and the relatedness of mudrocks and oil. Literature on this omnipresent...

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Marrella

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North America and Asia. It is the most common animal represented in the Burgess Shale of British Columbia, Canada, with tens of thousands of specimens collected...

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Arthropod

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Anomalocaris) and true arthropods. Re-examination in the 1970s of the Burgess Shale fossils from about 505 million years ago identified many arthropods...

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Charles Doolittle Walcott

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well-preserved fossils, including some of the oldest soft-part imprints, in the Burgess Shale of British Columbia, Canada. Charles Doolittle Walcott was born on March...

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Simon Conway Morris

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biologist, and astrobiologist known for his study of the fossils of the Burgess Shale and the Cambrian explosion. The results of these discoveries were celebrated...

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Cambrian

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Sirius Passet, the Sinsk Algal Lens, the Maotianshan Shales, the Emu Bay Shale, and the Burgess Shale,. The United States Federal Geographic Data Committee...

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Hallucigenia

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Hallucigenia is a genus of lobopodian known from Cambrian aged fossils in Burgess Shale-type deposits in Canada and China, and from isolated spines around the...

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Pikaia

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an extinct, primitive chordate animal known from the Middle Cambrian Burgess Shale of British Columbia. Described in 1911 by Charles Doolittle Walcott...

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Maotianshan Shales

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and sponge faunas of Guizhou and Anhui. Along with the Burgess Shale, the Maotianshan Shales are remarked as "our best window into the Cambrian 'explosion'"...

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Cambrian chordates

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chordate known is Pikaia gracilens, a lancelet-like animal from the Burgess Shale in British Columbia, Canada. The discoverer, Charles Doolittle Walcott...

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Leanchoilia

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Leanchoilia is a megacheiran arthropod known from Cambrian deposits of the Burgess Shale in Canada and the Chengjiang biota of China. L. superlata was about...

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Phosphatization

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phosphatizing microbes. Soft-tissue fossils, such as those found in the Burgess Shale, are rare. In some cases their internal organs are replicated in phosphate...

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Halkieriid

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Oikozetetes is known only from two types of cap-shaped shell found in the Burgess Shale and dated to about 505 million years ago. The two types are thought...

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Radiodonta

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arthropod. The Geological Survey of Canada initiated a revision of Burgess Shale fossils in 1966, overseen by Cambridge University paleontologist Harry...

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Isoxys

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(Walcott, 1908) Balang Formation, Guizhou, China, Cambrian Stage 4, Burgess Shale, Canada, Miaolingian Isoxys auritus (Jiang, 1982) Chengjiang Biota,...

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Shale

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Shale is a fine-grained, clastic sedimentary rock formed from mud that is a mix of flakes of clay minerals (hydrous aluminium phyllosilicates, e.g. kaolin...

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Animal

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explosion, starting about 539 million years ago, in beds such as the Burgess shale. Extant phyla in these rocks include molluscs, brachiopods, onychophorans...

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Chordate

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fish. Pikaia, discovered much earlier (1911) but from the Mid Cambrian Burgess Shale (505 Ma), is also regarded as a primitive chordate. On the other hand...

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