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Assistant Professor at Carleton University
Peter Crockford









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New Paper on Sturtian Barite! pubs.geoscienceworld.org/gsa/geology/...
www.science.org/doi/10.1126/...
New Paper! rdcu.be/ebWko
New Paper Depositional Controls on ∆′17O Signatures of Sedimentary Sulfate - Crockford - 2025 - Geophysical Research Letters - Wiley Online Library agupubs.onlinelibrary.wiley.com/doi/10.1029/... Thanks to all of the folks who helped this over the finish line.
11mo
11mo
Mar 3, 2025
www.pnas.org/doi/10.1073/...
Paper alert 🚨 Interaction of metal oxyions with carbonate green rust in seawater is out now! This is one of the few papers that investigated metal uptake with GRCO3 in seawater and conducted 1 year aging experiments! Link here: www.sciencedirect.com/science/arti... #biogeochemistry #metal #greenrust
11mo
🌊🧪Job Alert!!! @oceannetworks.ca is looking for a Chief Executive Officer. Come join us at the University of Victoria 🇨🇦 www.linkedin.com/jobs/view/ch...
I am extremely honoured to have been awarded a 2025 Sloan Fellowship. A huge thank you to the Sloan foundation for their support and to my mentors for getting me here.
Marine Zn limitation is a thing bg.copernicus.org/articles/21/...
May 10, 2025
Apr 10, 2025
Mantle-like Sr isotopes in a Sturtian cap carbonate in Oman | Geology | GeoScienceWorld
pubs.geoscienceworld.org
May 7, 2025
Feb 18, 2025
Many questions remain regarding Earth’s earliest crust owing to the rarity of Hadean (>4.03 billion-year-old) rocks and minerals. The Nuvvuagittuq Greenstone Belt (NGB) in Canada may be the only known...
www.science.org
Evidence for Hadean mafic intrusions in the Nuvvuagittuq Greenstone Belt, Canada
Dec 19, 2024
Peter Crockford
Nature Communications - Ancient sulfate mineral compositions reflect an increase in Earth’s oxidation state ~400 million years ago, likely including an increase in atmospheric oxygen levels...
rdcu.be
Marine sulphate captures a Paleozoic transition to a modern terrestrial weathering environment
Peter Crockford
Peter Crockford
Sulfate triple oxygen isotope signatures are most consistent with terrestrial pyrite oxidation and subsequent dilution Depositional environment must be considered in the translation of sulfate ∆′...
agupubs.onlinelibrary.wiley.com
Depositional Controls on ∆′17O Signatures of Sedimentary Sulfate
Peter Crockford
Carbonate green rust (GRCO3) is often found in suboxic and anoxic environments, and is known to be highly reactive towards dissolved metals and other …
www.sciencedirect.com
Interaction of metal oxyions and phosphate with carbonate green rust: Insights into Earth’s modern and ancient environments
Posted 11:14:22 PM. Ocean Networks Canada (ONC) is a world-leading, not-for-profit organization that supports ocean…See this and similar jobs on LinkedIn.
Ocean Networks Canada hiring Chief Executive Officer in Victoria, British Columbia, Canada | LinkedIn
www.linkedin.com
Peter Crockford
Chad Briggs
Abstract. Zinc (Zn) is an essential micronutrient for most eukaryotic phytoplankton. Zn uptake by phytoplankton within the euphotic zone results in nutrient-like dissolved Zn (dZn) profiles with a lar...
bg.copernicus.org
High metabolic zinc demand within native Amundsen and Ross sea phytoplankton communities determined by stable isotope uptake rate measurements
Dr. Ichiko Sugiyama (she/her)
Peter Crockford
Jay T. Cullen
New Paper! www.nature.com/articles/s43...
🎉Congrats to the 126 early-career scientists who have been awarded a Sloan Research Fellowship this year! These exceptional scholars are drawn from 51 institutions across the US and Canada, and represent the next generation of groundbreaking researchers. sloan.org/fellowships/...
1mo
Feb 18, 2025
Advancements in modeling, proxy integration, geochronology, and clarity on the nature of Paleoproterozoic glaciations are essential to improve understanding of the Great Oxidation Event, according to ...
www.nature.com
Revisiting the greatness of Earth’s great oxidation - Communications Earth & Environment
Peter Crockford
Alfred P. Sloan Foundation