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Alberta Palaeontological Society Bulletin, Volume 33, No. 3

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Alberta Palaeontological Society Bulletin, Volume 33, No. 3 Palæontological Society Bulletin AlbertaVOLUME 33 • NUMBER 3 www.albertapaleo.org SEPTEMBER 2018 ALBERTA PALAEONTOLOGICAL SOCIETY OFFICERS THE SOCIETY WAS INCORPORATED IN 1986 President as a non-profit organization formed to: Cory Gross [email protected] (403) 617-2079 1. Promote the science of palaeontology through study Vice-President and education. Position unfilled: To volunteer, contact the President 2. Make contributions to the science by: discovery; responsible Treasurer collection; curation and display; education of the general public; Mona Marsovsky [email protected] (403) 547-0182 preservation of palaeontological material for study and future Secretary generations. Vaclav Marsovsky (403) 547-0182 3. Work with the professional and academic communities to aid in the Past-President preservation and understanding of Alberta’s heritage. Wayne Braunberger [email protected] (403) 278-5154 MEMBERSHIP: Any person with a sincere interest in palaeontology is DIRECTORS eligible to present their application for membership in the Society. Please Editor enclose membership dues with your request for application. Howard Allen [email protected] (403) 274-1858 Single membership $20.00 annually Membership Family or Institution $25.00 annually Howard Allen [email protected] (403) 274-1858 Programs SOCIETY MAILING ADDRESS: Harold Whittaker [email protected] (403) 286-0349 Alberta Palaeontological Society Field Trips PO Box 68024, Crowfoot PO Wayne Braunberger [email protected] (403) 278-5154 Calgary, AB, Canada T3G 3N8 www.albertapaleo.org COMMITTEES Fossil Collection THE BULLETIN WILL BE PUBLISHED QUARTERLY: March, June, Howard Allen [email protected] (403) 274-1858 September and December. Deadline for submissions is the 15th of the Library month prior to publication. Material for the Bulletin should be sent to: Georgia Hoffman (403) 228-7729 Howard Allen, Editor, APS Public Outreach 7828 Hunterslea Crescent, NW Cory Gross [email protected] (403) 617-2079 Calgary, AB, Canada T2K 4M2 Social [email protected] Michèle Mallinson (403) 402-2159 Requests for missing Bulletin issues should be directed to the Editor. Symposium Send changes of contact information to the Membership Director. Mona Marsovsky [email protected] (403) 547-0182 Website NOTICE: Readers are advised that opinions expressed in the articles are Vaclav Marsovsky (403) 547-0182 those of the authors and do not necessarily reflect the viewpoint of the Society. Except for articles marked “Copyright ©,” reprinting of articles by exchange newsletters is permitted, as long as credit is given. Upcoming APS Meetings Meetings take place at 7:30 p.m. in Room B108, Mount Royal University, 4825 Mount Royal Gate SW, Calgary, Alberta. Friday, September 21, 2018—Barry Rogers, Alberta Palaeontological Society. Stromatolites of southwestern Alberta including Chief Mountain Followed by rock-and-fossil show-and-tell and social evening. See Page 3. Friday, October 19, 2018—Chad Morgan, University of Calgary. Research on trilobites of the Cambrian Stephen Formation. Pete Truch will give a 10-minute presentation on Ashfall Fossil Beds State Park, Nebraska. See Page 3. Friday, November 16, 2018—Annie McIntosh, University of Alberta. Dinosaur research, title to be announced. David Moore, Burgess Shale Geoscience Foundation, will give a brief presentation on Fossils of the Burgess Shale. Watch the APS website for updates! ON THE COVER: Brachiopods, Spinatrypa sp. from the Late Devonian upper Fort Simpson Formation and/ or lower Escarpment Formation, Hay River, NWT. Specimens are about 20 mm in width. Photo by APS member Geoff Barrett. See story on Page 12. APS Bulletin 2 September 2018 Dr. Terry Poulton Upcoming Geological Survey of Canada Ammonites witnessed the growth Events of Canada Friday, September 21, 2018, 7:30 p.m. September Mount RoyalPOSTPONED University, Room B108 PLEASE NOTE! The previously scheduled talk by Barry Rogers Dr. Terry Poulton has had to be postponed due to Alberta Palaeontological Society medical circumstances. Dr. Poulton’s talk is tentative- ly rescheduled to April, 2019. Watch the APS website Stromatolites of Southwestern and the December and March Bulletins for updates. Alberta Including Chief Barry Rogers’ presentation will proceed as planned, followed by an end-of-summer social and show- Mountain and-tell session: if you have interesting fossil or rock Friday, September 21, 2018, 7:30 p.m. specimens, please bring them along for discussion! Mount Royal University, Room B108 [This 15-minute presentation will precede the social evening and fossil show-and-tell.] October arry first discovered stromatolites in the riprap Bon Waterton Dam during an APS field trip. He Pete Truch has since found them in the Waterton/Glacier Na- Alberta Palaeontological Society tional Parks and in other areas in southern Alberta and British Columbia. His talk will discuss their Ashfall Fossil Beds State existence, the Lewis Thrust Fault and show pictures Historical Park & National of these 1.4 billion old fossils on Chief Mountain, Waterton Lakes National Park, and in the Castle Natural Landmark, Nebraska River drainage. Stromatolites are deposited by cyano- Friday, October 19, 2018, 7:30 p.m. bacteria and are confused by many with green algae. Mount Royal University, Room B108 They took CO2 from the air and combined it with calcium from the sea and are given credit for raising [This 15-minute presentation will precede the main the oxygen levels that support our current environ- speaker, Chad Morgan.] ment. he Yellowstone Hotspot (located in Yellowstone TNational Park) has produced five super-volcano Biography calderas in the last 14 million years. The Bruneau- Barry Rogers has a degree in Agricultural Jarbidge caldera, resulting from the explosions of Engineering from the University of Saskatchewan super-volcanoes between 12.5 and 10 million years and a Masters Degree from The University of Stirling, ago have direct relevance to Ashfall, as this has been Scotland where he met his wife, Kate MacBeth. He determined to be the source of the ash. Using single- has been a member of the Alberta Palaeontological crystal laser fusion Argon 40/Argon 39 dating, the Society for 15 years and is a wannabe Geologist/ volcanic ash (with adjustment) yields a date of 11.93 Rockhound. million years. This one eruption is called the “Tuff of the Ibex Hollow.” The ash from this event, averaging 30 cm in depth, Bulletin back issues are available online: blew into the hollow where a water hole existed. Over time, the Ash Hollow Formation resulted, con- www.albertapaleo.org/bulletinarchive.html sisting of tan sandstone and grey-white ash, which varies in thickness from 1 to 1.5 m. Captured in the APS Bulletin 3 September 2018 ashbed, among other Pliocene critters, are fully ar- Additionally, a brief introduction to an as yet un- ticulated skeletons of rhinos Teleoceras major; camels published and newly discovered Burgess Shale fossil Protolabis heterodontus and Procamelis grandis; three site in Yoho National Park, which has yielded a large toed horses Pseudhipparion gratum and one toed number of Margaretia dorus specimens will be pre- horses Pliohippus pernix. sented. This site with its large population of M. dorus Excavating and leaving the skeletal remains in specimens may aid in deciphering the taxonomic af- situ resulted in a unique method of display within finity of this problematic Burgess Shale fossil (wheth- the confines of a large, protective enclosed building. er they belong more closely with modern algae or are Thus, a visitor can see the bone beds and creatures tubes constructed by hemichordate worms). While exposed in their original mortuary poses, a number the Cambrian may not always have the most impres- of which Pete will show in his summary presentation sively large fossils found in Alberta, this talk will of a site visit made in 2017. hopefully reveal the amazing array of exciting science currently being undertaken and still left to be done Biography on the half billion year old record found in western Pete and his wife Doreen are ardent travelers. In Canada. 2010 they joined the ranks of famous circumnaviga- tors of the globe (in a ship) including Captain Cook’s Biography goat who surpassed them by having done it twice! Chad Morgan is a PhD candidate in the They have been on every ocean of the world (as Department of Geoscience at the University of geographers have named them), although techni- Calgary. He is currently conducting research on cally there is only one. In addition to having travelled trilobite biostratigraphy of the Middle Cambrian to 68 countries, they have been in every jurisdic- Stephen Formation under the supervision of Dr. tional part of Canada from Territories to Provinces, Charles Henderson and co-supervised by Dr. Brian and now, with the visit to Ashfall Fossil Beds State Pratt (University of Saskatchewan). His research has Historical Park in Nebraska, have visited all 50 States. taken him to Burgess Shale fossil sites in Kootenay National Park as well as field sites in Yoho and Banff National Park. His research interests include inver- Chad A. Morgan tebrate palaeontology, trilobite taxonomy, carbonate University of Calgary sedimentology and ichnology. o Highlights from the Middle Cambrian Stephen Formation CPC 2018 Saskatoon Friday, October 19, 2018, 7:30 p.m. Mount Royal University, Room B108 Sept. 21–24, 2018 he Middle Cambrian Stephen Formation has a Tlong and storied history in palaeontology. The he 2018 Canadian formation originally included the famous Burgess TPaleontology Con- Shale lagerstätten found in Yoho National Park by ference (CPC) will be Charles Walcott in the early 20th century, and has hosted by the Depart- subsequently become one of the most internationally ment of Geological recognized rock units in western Canada. Sciences of the Univer- During this talk an introduction to the historic sity of Saskatchewan on background and the current cutting-edge science September 21 – 24. surrounding this formation will be discussed from An icebreaker will Walcott to Franco Rasetti, to ongoing research at the be held on the evening University of Calgary.
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