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EAPS Fall Research Blitz!

Happy first week of classes! Emily and Isabelle both presented slides at the EAPS Research Blitz during our department colloquium. Congratulations to Emily for an honorable mention!

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Bringing the Lab to Life: Instrumentation Installation Underway

This August, our brand-new instrumentation arrived — the Neoma™ MC-ICP-MS! We spent a busy (and very exciting) week getting it installed in our new space. The room is still coming together, but by the end of September, we’ll be up and running.

Stay tuned for more behind-the-scenes looks as we get the lab ready for science in action!

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Tiny Shells, Big Ideas: Emily Talks Forams in Prague

This Summer, Emily traveled to the Annual Goldschmidt Conference in Prague, where she presented the latest research results on diagenetic influences on foraminifera from the Paleocene-Eocene Thermal Maximum.

Her project focused on morphometric data collected from two PETM sections on the Walvis Ridge, which she used to evaluate the extent of post-depositional alteration.

Check our her research abstract here!

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Beam Time Begins: Isabelle’s Research Trip to the Stanford Synchrotron

This summer, Isabelle travelled to the Stanford Synchrotron Radiation Lightsource (SSRL)! She collected data for Micro X-ray Fluorescence maps on Ediacaran and Cambrian carbonate rocks in an effort to understand how sulfur is preserved in Ediacaran-Cambrian carbonate rocks.


Synchrotron analyses are unique because, not only can it provide elemental chemistry data but, it can parse out different phases of sulfur (e.g., sulfate, sulfonate, pyrite, pentlandite). We can then use this information to evaluate how co-located sulfur phases are with one another, which can help us interpret the likelihood that carbonate-assocated sulfate is primary or diagenetic. These maps will serve as important context for interpreting sulfur isotopes that we measure in our BRAND NEW LAB (woo!) 

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Emily at GMU

Emily traveled to George Mason University this summer to work with her collaborator, Brittany Hupp. She spent a week in Brittany’s lab on the Potoamac River completing a detailed assemblage of planktic foraminifera for a stratigraphic section from the southeast Atlantic.

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Conferences

MWGB 2024!

9/28/24 – The Bryant Lab attended our first conference–the 2024 Midwest Geobiology Symposium at Iowa State! All three of our students successfully presented posters detailing their recent research progress and plans, while Roger loitered awkwardly:

Julia Kassis (’26) interpreted her recent data from modern seagrasses analyzed at the Stanford Synchrotron Radiation Lightsource Laboratory. These data show sulfur concentration and speciation in seagrass tissues that may be indicative of sulfur transformation within the plants—providing ideas about the mechanisms seagrasses use to tolerate sulfide intrusion. An important start to determining how seagrasses might react to additional sulfide in the face of climate change!

Emily Apel (4th year PhD) showcased recent Scanning Electron Microscopy images of Morozovellid foraminifera from the Paleocene-Eocene Thermal Maximum. Soon these fossils will be analyzed for C-isotopes with the Wisconsin Secondary Ionization Mass Spectrometer!

Isabelle Rein (2nd year PhD) discussed how δ 34SCAS isotopes can be filtered with δ44/40Ca isotopes to constrain faithful records of Ediacaran-Cambrian seawater sulfate concentrations. Isabelle was also awarded Runner Up for the Best Graduate Student Poster!

Look out next year for the 2025 Symposium will be hosted at our home institution–Purdue University!