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Recent happenings

Paper in press: Observing oxidation of iodide

By Tristan Horner | 2019-11-09

Study led by Dalton Hardisty published in Chem. Geol. reporting direct evidence of iodide oxidation under marine-analogue conditions, made possible by the development of a highly-sensitive new MC-ICP-MS method. Full citation: Hardisty, D. S., Horner, T. J., Wankel, S. D., Blusztajn, J., & Nielsen, S. G. (2020). Experimental observations of marine iodide oxidation using a…

Ann Dunlea

Congratulations Ann!

By Tristan Horner | 2019-11-01

Congratulations to Ann Dunlea, who today starts her new position as Assistant Scientist in the Department of Marine Chemistry & Geochemistry at Woods Hole Oceanographic Institution.

NIRVANA in Arizona

By Tristan Horner | 2019-09-22

Logan Tegler is at the  2019 Geological Society of America Annual Meeting in Phoenix presenting her research exploring primary productivity before the Great Oxidation Event.

Congratulations Liz!

By Tristan Horner | 2019-09-15

Congratulations to Liz King, who today starts her new position as Program Manager for Environmental Chemistry at the Army Research Office.

Welcome Iulia!

By Tristan Horner | 2019-09-01

We’re pleased to welcome Iulia-Madalina Streanga, MIT–WHOI Joint Program Student, to the NIRVANA Labs!


Paper in press: Barium in bamboo corals

By Tristan Horner | 2019-08-21

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,…

NIRVANA in Barcelona

By Tristan Horner | 2019-08-19

Liz King is at the 2019 Goldschmidt Conference in Barcelona presenting her research on molybdenum isotope cycling in the subterranean estuary. Other research featuring NIRVANA team members at the meeting: Peter Crockford in Session 07b: Room 111, Tuesday @ 15:00 – 15:15 Jurek Blusztajn in Session 02c: Room 212, Thursday @ 15:45 – 16:00 Yunchao…

Paper in press: Feast then famine following the GOE

By Tristan Horner | 2019-08-12

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,…

NIRVANA in Ghana

By Tristan Horner | 2019-08-05

Julia Middleton is instructing at the 2019 Coastal Ocean Environment Summer School in Ghana at the Regional Maritime University. For updates from the Summer School, follow @COESSING.

Paper in press: Origin of Marinoan barites

By Tristan Horner | 2019-05-29

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.,…