Presentations

A big part of what the Cape Breton Sedimentology Research Group does is support student research, including the opportunity to present here at Cape Breton University or elsewhere. Great job team!

Bold = Ted Matheson, Italic and underlined = CBSRG student member, * = presenting author

Conference Presentations

[27] Z. Durant* and E.J. Matheson. 2025. Microbialites of the Macbeth Brook Formation (Windsor Group) in East Bay, Nova Scotia - How did they form? Atlantic Geoscience Society (AGS) Annual Colloquium 2025, Dartmouth, Nova Scotia. [Poster presentation]

[26] E.J. Matheson*, G. Bradley, and Z. Durant. 2025. Thrombolitic reefs, facies, and sea-level change in the basal Windsor Group carbonates of Glen Morrison, Cape Breton. Atlantic Geoscience Society (AGS) Annual Colloquium 2025, Dartmouth, Nova Scotia. [Oral conference presentation]

[25] E.J. Matheson*. 2025. Game-based learning in the earth and environmental sciences: a case study in environmental decision-making and the tragedy of the commons. Atlantic Geoscience Society (AGS) Annual Colloquium 2025, Dartmouth, Nova Scotia. [Oral conference presentation]

[24] N. Rogers*, M. Gadd, D. Hnatyshin, B. Way, E. Matheson, P. Pufahl, and D. Dahn, 2024. New insights into the timing and setting of Woodstock area sedimentary manganese deposits. New Brunswick Department of Natural Resources and Energy Development 49th annual Exploration, Mining and Petroleum Conference, Fredericton, New Brunswick. [Oral conference presentation]

[23] E.J. Matheson*, B. Šegvić, T. Soroka, P.K. Pufahl, L. Groat, 2024.  Reconstructing climatic shifts during potash deposition using clay minerals in the Prairie Evaporite of western Canada. The Geological Society of America Connects 2024, Anaheim, California, U.S.A. [Oral conference presentation]

[22] E.J. Matheson*, B. Šegvić, T. Soroka, P.K. Pufahl, L. Groat, 2024. Reconstructing climate during deposition of the Devonian Prairie Evaporite Formation potash giant of western Canada. International Association of Sedimentologists (IAS) 37th International Meeting of Sedimentology, Aberdeen, Scotland.

[21] F. Chen*, P.K. Pufahl, E.J. Matheson, Q. Wang, 2024. Carbonate-hosted manganese deposits and ocean anoxia. International Association of Sedimentologists (IAS) 37th International Meeting of Sedimentology, Aberdeen, Scotland. [Oral conference presentation]

[20] R.W. Dalrymple*, E.J. Matheson, J.M. Rivers, 2024. Transgressing barrier islands and lagoons: Application to mixed carbonate-siliciclastic successions in the Chazy Group (Ordovician), eastern North America. Canada Energy Geosciences Association (CEGA) GeoConvention, Calgary, AB. [Oral Presentation]

[19] R.W. Dalrymple*, E.J. Matheson, J.M. Rivers, 2024. Transgressing barrier islands and lagoons: Application to mixed carbonate-siliciclastic successions in the Chazy Group (Ordovician), eastern North America. American Association of Petroleum Geologists (AAPG) Cross Regional Carbonates and Mixed Carbonates Systems Symposium, Sicily, Italy. [Oral Presentation]

[18] J. MacIsaac*, E.J. Matheson, J. Loxton, 2024. Repeated soft-sediment deformation structures in the Pomquet Formation (Mabou Group) of Cape Breton: are they seismites? Atlantic Geoscience Society Annual Colloquium, Moncton, NB. [Oral conference presentation] [This presentation won the Rupert MacNeill Award for best undergraduate student presentation at the conference]

[17] E.J. Matheson*, B. Šegvić, T. Soroka, P.K. Pufahl, 2023. Changing climate and potash deposition in the Devonian Prairie Evaporite Formation: insights from the sedimentology and 7Å clay mineral authigenesis. Geological Association of Canada – Mineralogical Association of Canada (GACMAC) 2023 Joint Annual Meeting, Sudbury, ON. [Oral conference presentation]

[16] F. Chen*, P.K. Pufahl, E.J. Matheson, Q. Wang, 2023. Sedimentary manganese deposits as a record of Late Paleozoic oceanic anoxia. Geological Association of Canada – Mineralogical Association of Canada (GACMAC) 2023 Joint Annual Meeting, Sudbury, ON. [Oral conference presentation]

[15] E.J. Matheson*, P.K. Pufahl and J.B. Murphy, 2022. Paleozoic ironstone suggests redox stratification played a role in Ordovician and Silurian biotic crises. International Association of Sedimentologists (IAS) 21st International Sedimentological Congress, Beijing, China (Virtual Conference). [Oral presentation]

[14] E.J. Matheson*, P.K. Pufahl, T. Soroka, and L. Groat, 2022. Deposition and diagenesis of the Prairie Evaporite (Saskatchewan): implications from clay mineralogy. Geological Association of Canada – Mineralogical Association of Canada (GACMAC) 2022 Joint Annual Meeting, Halifax, NS. [Oral presentation]

[13] E.J. Matheson*, P.K. Pufahl and J.B. Murphy, 2021. Prolonged oceanic oxygenation and transient deep-ocean anoxia led to Paleozoic ironstone deposition and extinctions. Geological Association of Canada – Mineralogical Association of Canada (GACMAC) 2021 Joint Annual Meeting, London, ON. [Oral presentation]

[12] E.J. Matheson* and P.K. Pufahl, 2021. Coupled early Paleozoic ferruginous water masses, ironstone deposition, and extinction events. 35th IAS Meeting of Sedimentology (Virtual Conference). [Oral presentation]

[11] F. Chen*, P.K. Pufahl, Q. Wang, and E.J. Matheson, 2021. A new model for the genesis of carbonate-hosted Mn ores, Longtou deposit, South China Block. 35th IAS Meeting of Sedimentology (Virtual Conference). [Oral presentation]

[10] E.J. Matheson* and P.K. Pufahl, 2020. Clinton ironstone and the Silurian Ireviken Event: Ferruginous upwelling and Paleozoic ocean instability. Geological Society of America (GSA) 2020 Connects Online. [Oral presentation]

[9] E.J. Matheson* and T.D. Frank, 2019. A Permian hypersaline lake with bacterial sulfate reduction and dolomite precipitation in the Minnekahta Member, Bighorn Basin. Geological Society of America (GSA) Annual Meeting, Phoenix, AZ. [Oral presentation]

[8] E.J. Matheson* and T.D. Frank, 2018. Paleoceanographic and Paleoclimatic Controls on Siliceous vs. Carbonate Benthos, Skeletal Mineralogy, and Eogenesis in the Phosphoria Rock Complex of the Bighorn Basin, Wyoming, US. Geological Society of America (GSA) Annual Meeting, Indianapolis, IN. [Oral presentation]

[7] E.J. Matheson* and T.D. Frank, 2017. The relationships between paleoclimate, paleoceanography, deposition, and eogenesis in the Phosphoria Rock Complex of the Bighorn Basin, Wyoming. Geological Society of America (GSA) Annual Meeting, Seattle, WA. [Oral conference presentation]

[6] E.J. Matheson*, P.K. Pufahl, J.B. Murphy, J.D. Malone, S.E. Todd, S.K. Dunn, and A.D. Squires. 2020. Ironstone as a record of early Paleozoic ocean instability. American Geophysical Union 2020 Fall Meeting (Virtual Conference). [Poster presentation]

[5] E.J. Matheson*, R.W. Dalrymple, and N.P. James. 2019. Did transgressive, landward-migrating carbonate barrier islands exist in the Chazyan (Ordovician) of eastern North America? 16th International Meeting of Carbonate Sedimentologists (Bathurst Meeting), Palma, Spain. [Poster presentation]

[4] E.J. Matheson* and T.D. Frank. 2018. Sedimentology and Stratigraphy of the Phosphoria Rock Complex in the Bighorn Basin, Wyoming, USA. International Association of Sedimentologists (IAS) 20th International Sedimentological Congress, Québec City, Canada. [Poster presentation]

[3] E.J. Matheson* and T.D. Frank. 2017. The Role of Paleoceanography & Eogenetic Alteration in Influencing Diagenetic Pathways in Carbonate Facies of the Phosphoria Rock Complex, Bighorn Basin, Wyoming. International Association of Sedimentologists (IAS) International Meeting of Sedimentology, Toulouse, France. [Poster conference presentation]

[2] E.J. Matheson* and T.D. Frank. 2017. The Permian Phosphoria Rock Complex: A Record of the Interaction of the Arid Western Pangean Landmass and Panthalassa. International Association of Sedimentologists (IAS) International Meeting of Sedimentology, Toulouse, France. [Poster conference presentation]

[1] E.J. Matheson* and T.D. Frank. 2017. The Influence of Paleoceanography in Controlling Diagenetic Pathways in the Phosphoria Rock Complex of the Bighorn Basin, Wyoming. American Association of Petroleum Geologists Rocky Mountain Section 2017 Annual Meeting, Billings, Montana. [Poster conference presentation]

Invited Presentations

[10] E.J. Matheson*, 2024. The sedimentary record of oxygen and the evolution of animals: revising the Phanerozoic paradigm using ironstones and more! Colby College Undergraduate Earth Sciences Seminar (Virtual), April 2024.

[9] E.J. Matheson*, 2024. The sedimentary record of oxygen and the evolution of animals: revising the Phanerozoic paradigm using ironstones and more! Science Atlantic Geology Speaker Tour co-sponsored by the Atlantic Geoscience Society. Dalhousie University, Halifax, NS, January 2024.

[8] E.J. Matheson*, 2024. The sedimentary record of oxygen and the evolution of animals: revising the Phanerozoic paradigm using ironstones and more! Science Atlantic Geology Speaker Tour co-sponsored by the Atlantic Geoscience Society. Acadia University, Wolfville, NS, January 2024.

[7] E.J. Matheson*, 2024. The sedimentary record of oxygen and the evolution of animals: revising the Phanerozoic paradigm using ironstones and more! Science Atlantic Geology Speaker Tour co-sponsored by the Atlantic Geoscience Society. University of New Brunswick, Fredericton, NB, January 2024.

[6] M. Dalton*, T. Soroka* and E.J. Matheson* (all authors presented equally), 2022. What We Mill. Nutrien Ltd MillTech 2022, October, Saskatoon, Saskatchewan. [Invited industry conference presentation]

[5] E.J. Matheson* and T. Soroka, 2022. A reevaluation of the Prairie Evaporite clays with implications for genesis of anomalous geology. Nutrien Ltd MineTech 2022, October, Saskatoon, Saskatchewan. [Invited industry conference presentation]

[4] E.J. Matheson*, 2022, Queen’s Clay Research: A Re-evaluation of the Prairie Evaporite Clays with Implications for Genesis of Anomalous Geology. Queen’s Facility for Isotope Research (QFIR) Speaker Series, October, Kingston, Ontario.

[3] Matheson, E.J. 2022. Linking early Paleozoic ironstone deposition, redox stratification, and extinction events, Saskatchewan Geological Society speaker series.

[2] Seds Online Great Debate: Sea Level Rise Drowns Reefs. Participants: Cecilia Lopez-Gamundi, Elias Samankassou, Edward Matheson, and Peter Burgess. Accessible at https://www.youtube.com/watch?v=-bysscOKD2I.

[1] Matheson, E.J. 2020. Phosphorites, glass ramps, carbonate factories, and saline lakes: the marine-terrestrial transition in the Phosphoria Rock Complex. Denver Museum of Nature and Science Colloquium.