Dehler, Carol M.

Nagy, Robin

English

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Utah State University DigitalCommons@USU Graduate Student Posters Browse all Graduate Research 8-2012 A Glimpse of the Syn- and Post-Glacial Biosphere Recorded in the Late Neoproterozoic Pocatello and Perry Maple Canyon Formations, Southeastern Idaho and Northern Utah, USA Robin Nagy Utah State University Carol M. Dehler Utah State University Follow this and additional works at: https://digitalcommons.usu.edu/graduate_posters Recommended Citation Nagy, Robin and Dehler, Carol M., "A Glimpse of the Syn- and Post-Glacial Biosphere Recorded in the Late Neoproterozoic Pocatello and Perry Maple Canyon Formations, Southeastern Idaho and Northern Utah, USA" (2012). 34th International Geological Congress, Brisbane, Australia. Graduate Student Posters. Paper 14. https://digitalcommons.usu.edu/graduate_posters/14 This Presentation is brought to you for free and open access by the Browse all Graduate Research at DigitalCommons@USU. It has been accepted for inclusion in Graduate Student Posters by an authorized administrator of DigitalCommons@USU. For more information, please contact digitalcommons@usu.edu. A glimpse of the syn- and post-glacial biosphererecorded in the late Neoproterozoic Pocatelloand Perry Maple Canyon formations,Southeastern Idaho and Northern Utah, USARobin Nagy and Carol DehlerUtah State UniversityDepartment of GeologyModified from Yonkee et al., in pressSoutheastern IdahoFremont IslandPromontory Point,Northern UtahPerry Canyon,Northern UtahModified from Link, 1983; Balgord, 2011; andDehler et al., 2011argillite Hydrofluoric acid macerationcarbonate Hydrochloric acidmaceration insolubleresidueHydrofluoric acidmaceration organic materialSoutheastern IdahoFremont IslandPromontory Point,Northern UtahPerry Canyon,Northern Utahfossiliferous samplebarren sample?Modified from Link, 1983; Balgord, 2011; andDehler et al., 2011Modified from Yonkee et al., in pressSouthern Idaho - “green argillite” (Pocatello Fm.)Modified from Link, 1983 and Dehler et al., 2011Southern Idaho - Blackrock Canyon LSModified from Link, 1983 and Dehler et al., 2011Modified from Yonkee et al., in pressPerry Canyon - “blue limestone” (Maple Canyon Fm.)Modified from Balgord, 2011Perry Canyon - “mouth section” (Maple Canyon Fm.)Modified from Balgord, 2011Scale bar is 10 µm for A and 5 µm for B-G.Conclusions:• Organic material from late Cryogenian toearly Ediacaran argillite and carbonate• Low diversity assemblage from post-glacialstrata in western US• Asymmetrically distributed processes likelyindicate actively metabolizing eukaryotes• How does this compare with other  fossilassemblages from the late Neoproterozoic?Acknowledgements:• Susannah Porter and Stan Awramik• Paul Link and Adolph Yonkee• Dawn Hayes• Gerald Waanders• GSA Student Grant & VP Research, USU,NSF EAR 0819759• GSA, USNC/GS, AGI, and Shell, Inc.Tappania planaJavaux et al., 2001Material from this studyTappania sp. interpretedas fungi (Butterfield, 2005)Material from this study

A Glimpse of the Syn- and Post-Glacial Biosphere Recorded in the Late Neoproterozoic Pocatello and Perry Maple Canyon Formations, Southeastern Idaho and Northern Utah, USA

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A Glimpse of the Syn- and Post-Glacial Biosphere Recorded in the Late Neoproterozoic Pocatello and Perry Maple Canyon Formations, Southeastern Idaho and Northern Utah, USA

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