The Lomagundi-Jatuli Event (LJE; ca. 2.2−2.0 Ga) is the largest-magnitude and longest-duration positive carbonate carbon isotope excursion recorded in the

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 ...

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...

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 ∆′...

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.

Carbonate green rust (GRCO3) is often found in suboxic and anoxic environments, and is known to be highly reactive towards dissolved metals and other …

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...

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...

Intensive bottom trawling causes a long-term reduction of organic carbon stored in seafloor sediments, suggesting a need for more effective management, according to observations and biogeochemical mod...

Nature Reviews Earth & Environment - The redox transformations of sulfur mean it is a key component of global biogeochemical cycles. This Review explores the sulfur cycle over geological time,...

During the 70-million-year span of the Cryogenian Snowball Earth glaciations, low ocean temperatures

The rate of primary productivity is a keystone variable in driving biogeochemical cycles today and has been throughout Earth’s past.1 For example, it …