Study co-led by Ben Geyman and Jamie Ptacek published in Earth Planet. Sci. Lett. assessing the utility of deep-sea bamboo corals from the northeast Pacific to record ambient barium-isotopic chemistry. Full citation: Geyman, B. M., Ptacek, J. L., LaVigne, M., & Horner, T. J. (2019). Barium in deep-sea bamboo corals: Phase associations, barium stable isotopes,…

Study led by Malcolm Hodgskiss published in Proc. Natl. Acad. Sci. examining the rapid reduction in biosphere size following Great Oxidation Event. Full citation: Hodgskiss, M. S., Crockford, P. W., Peng, Y., Wing, B. A., & Horner, T. J. (2019). A productivity collapse to end Earth’s Great Oxidation. Proceedings of the National Academy of Sciences,…

Study led by Peter Crockford published in Earth Planet. Sci. Lett. constraining the origin of enigmatic barites deposited in the aftermath of the Marinoan ‘Snowball Earth’ glaciation. Full citation: Crockford, P. W., Wing, B. A., Paytan, A., Hodgskiss, M. S., Mayfield, K. K., Hayles, J. A., Middleton, J. E., Ahm, A.-S. C., Johnston, D. T.,…