Helmeted Muskox (Bootherium bombifrons) from Near Fort Saskatchewan, Alberta: Dating Evidence for Redeposition in Late Pleistocene Alluvium
Abstract Superimposition and intersection of preglacial and postglacial valley systems on the Canadian plains indicates that some of the recovered Quaternary vertebrate fossils may be redeposited. To test this proposition, an accelerator mass spectrometer (AMS) date was obtained on bone from a previ...
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| Veröffentlicht in: | Géographie physique et quaternaire 2003, Vol.57 (2-3), p.237-240 |
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| container_title | Géographie physique et quaternaire |
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| creator | Hills, Leonard V. Wilson, Michael C. |
| description | Abstract
Superimposition and intersection of preglacial and postglacial valley systems on the Canadian plains indicates that some of the recovered Quaternary vertebrate fossils may be redeposited. To test this proposition, an accelerator mass spectrometer (AMS) date was obtained on bone from a previously described helmeted muskox skull from near Fort Saskatchewan, Alberta. The specimen, identified as Bootherium bombifrons = Symbos cavifrons was previously thought to be Late Pleistocene (postglacial) in age but showed evidence of transport. A date of 30 570 ± 250 14C yrs BP indicates that it is of Middle Wisconsinan (pre-Last Glacial Maximum) age and therefore was ultimately derived from the Empress Formation (Saskatchewan Gravels and Sands) in the Edmonton area. Other vertebrate fossils must be assessed carefully in this light and direct dating is recommended wherever possible to facilitate both stratigraphic and paleontological studies. |
| doi_str_mv | 10.7202/011316ar |
| format | Article |
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Superimposition and intersection of preglacial and postglacial valley systems on the Canadian plains indicates that some of the recovered Quaternary vertebrate fossils may be redeposited. To test this proposition, an accelerator mass spectrometer (AMS) date was obtained on bone from a previously described helmeted muskox skull from near Fort Saskatchewan, Alberta. The specimen, identified as Bootherium bombifrons = Symbos cavifrons was previously thought to be Late Pleistocene (postglacial) in age but showed evidence of transport. A date of 30 570 ± 250 14C yrs BP indicates that it is of Middle Wisconsinan (pre-Last Glacial Maximum) age and therefore was ultimately derived from the Empress Formation (Saskatchewan Gravels and Sands) in the Edmonton area. Other vertebrate fossils must be assessed carefully in this light and direct dating is recommended wherever possible to facilitate both stratigraphic and paleontological studies.</description><identifier>ISSN: 0705-7199</identifier><identifier>EISSN: 1492-143X</identifier><identifier>DOI: 10.7202/011316ar</identifier><language>eng</language><publisher>Montréal, PQ: Les Presses de l'Université de Montréal</publisher><subject>Alluvium ; America ; Bgi / Prodig ; Canada ; Fossils ; Glaciers ; Musk oxen ; Paleontology ; Physical geography ; Pleistocene</subject><ispartof>Géographie physique et quaternaire, 2003, Vol.57 (2-3), p.237-240</ispartof><rights>Tous droits réservés © Les Presses de l'Université de Montréal, 2005</rights><rights>Tous droits réservés © Prodig - Bibliographie Géographique Internationale (BGI), 2005</rights><rights>Copyright Géographie Physique et Quarternaire 2003</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a245t-df985e73b32ffd9ea5cdbcb31767dd0b14d510832020249e43667912928d68fa3</citedby><cites>FETCH-LOGICAL-a245t-df985e73b32ffd9ea5cdbcb31767dd0b14d510832020249e43667912928d68fa3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.erudit.org/en/journals/gpq/2003-gpq954/011316ar.pdf$$EPDF$$P50$$Gerudit$$H</linktopdf><linktohtml>$$Uhttp://id.erudit.org/iderudit/011316ar$$EHTML$$P50$$Gerudit$$H</linktohtml><link.rule.ids>314,691,776,780,4010,27900,27901,27902,79304,79305,79312,79319</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=17061551$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Hills, Leonard V.</creatorcontrib><creatorcontrib>Wilson, Michael C.</creatorcontrib><title>Helmeted Muskox (Bootherium bombifrons) from Near Fort Saskatchewan, Alberta: Dating Evidence for Redeposition in Late Pleistocene Alluvium</title><title>Géographie physique et quaternaire</title><description>Abstract
Superimposition and intersection of preglacial and postglacial valley systems on the Canadian plains indicates that some of the recovered Quaternary vertebrate fossils may be redeposited. To test this proposition, an accelerator mass spectrometer (AMS) date was obtained on bone from a previously described helmeted muskox skull from near Fort Saskatchewan, Alberta. The specimen, identified as Bootherium bombifrons = Symbos cavifrons was previously thought to be Late Pleistocene (postglacial) in age but showed evidence of transport. A date of 30 570 ± 250 14C yrs BP indicates that it is of Middle Wisconsinan (pre-Last Glacial Maximum) age and therefore was ultimately derived from the Empress Formation (Saskatchewan Gravels and Sands) in the Edmonton area. Other vertebrate fossils must be assessed carefully in this light and direct dating is recommended wherever possible to facilitate both stratigraphic and paleontological studies.</description><subject>Alluvium</subject><subject>America</subject><subject>Bgi / Prodig</subject><subject>Canada</subject><subject>Fossils</subject><subject>Glaciers</subject><subject>Musk oxen</subject><subject>Paleontology</subject><subject>Physical geography</subject><subject>Pleistocene</subject><issn>0705-7199</issn><issn>1492-143X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2003</creationdate><recordtype>article</recordtype><recordid>eNpF0F1rFDEUBuAgFlxqwV8gQRAqODUnmZlMvKvb7QesH_gB3g2ZyYkbO5Nsk0zV3-Cf7shu69W5ec77wkvIM2AnkjP-hgEIqHV8RBZQKl5AKb4_JgsmWVVIUOoJOUrJdYwpViqQYkH-XuIwYkZD30_pOvymx-9CyBuMbhppF8bO2Rh8ekXnM9IPqCM9DzHTLzpd69xv8Jf2r-np0GHM-i0909n5H3R16wz6HqkNkX5Gg9uQXHbBU-fpWmeknwZ0KYcePc7fw3Q79z0lB1YPCY_295B8O199XV4W648XV8vTdaF5WeXCWNVUKEUnuLVGoa560_WdAFlLY1gHpamANWIehPFSYSnqWirgijembqwWh-TFLncbw82EKbc_wxT9XNlyBpWARpQzOt6hPoaUItp2G92o458WWPtv7PZ-7Jm-3Ofp1OvBRu17l_57yWqoKpjd853DOBmXH8BD0B2NhYli</recordid><startdate>2003</startdate><enddate>2003</enddate><creator>Hills, Leonard V.</creator><creator>Wilson, Michael C.</creator><general>Les Presses de l'Université de Montréal</general><general>Presses de l'Université de Montréal</general><general>Géographie Physique et Quarternaire</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>2003</creationdate><title>Helmeted Muskox (Bootherium bombifrons) from Near Fort Saskatchewan, Alberta: Dating Evidence for Redeposition in Late Pleistocene Alluvium</title><author>Hills, Leonard V. ; Wilson, Michael C.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a245t-df985e73b32ffd9ea5cdbcb31767dd0b14d510832020249e43667912928d68fa3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2003</creationdate><topic>Alluvium</topic><topic>America</topic><topic>Bgi / Prodig</topic><topic>Canada</topic><topic>Fossils</topic><topic>Glaciers</topic><topic>Musk oxen</topic><topic>Paleontology</topic><topic>Physical geography</topic><topic>Pleistocene</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Hills, Leonard V.</creatorcontrib><creatorcontrib>Wilson, Michael C.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><jtitle>Géographie physique et quaternaire</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Hills, Leonard V.</au><au>Wilson, Michael C.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Helmeted Muskox (Bootherium bombifrons) from Near Fort Saskatchewan, Alberta: Dating Evidence for Redeposition in Late Pleistocene Alluvium</atitle><jtitle>Géographie physique et quaternaire</jtitle><date>2003</date><risdate>2003</risdate><volume>57</volume><issue>2-3</issue><spage>237</spage><epage>240</epage><pages>237-240</pages><issn>0705-7199</issn><eissn>1492-143X</eissn><abstract>Abstract
Superimposition and intersection of preglacial and postglacial valley systems on the Canadian plains indicates that some of the recovered Quaternary vertebrate fossils may be redeposited. To test this proposition, an accelerator mass spectrometer (AMS) date was obtained on bone from a previously described helmeted muskox skull from near Fort Saskatchewan, Alberta. The specimen, identified as Bootherium bombifrons = Symbos cavifrons was previously thought to be Late Pleistocene (postglacial) in age but showed evidence of transport. A date of 30 570 ± 250 14C yrs BP indicates that it is of Middle Wisconsinan (pre-Last Glacial Maximum) age and therefore was ultimately derived from the Empress Formation (Saskatchewan Gravels and Sands) in the Edmonton area. Other vertebrate fossils must be assessed carefully in this light and direct dating is recommended wherever possible to facilitate both stratigraphic and paleontological studies.</abstract><cop>Montréal, PQ</cop><pub>Les Presses de l'Université de Montréal</pub><doi>10.7202/011316ar</doi><tpages>4</tpages></addata></record> |
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| ispartof | Géographie physique et quaternaire, 2003, Vol.57 (2-3), p.237-240 |
| issn | 0705-7199 1492-143X |
| language | eng |
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| source | Érudit (Freely Accessible); Érudit; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; Alma/SFX Local Collection; REPÈRE - Free |
| subjects | Alluvium America Bgi / Prodig Canada Fossils Glaciers Musk oxen Paleontology Physical geography Pleistocene |
| title | Helmeted Muskox (Bootherium bombifrons) from Near Fort Saskatchewan, Alberta: Dating Evidence for Redeposition in Late Pleistocene Alluvium |
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