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The Mesoproterozoic oxygenation event
The accumulation of oxygen is one of the most important characteristics that distinguish
Earth from other planets in the solar system, which is also considered to be the key factor …
Earth from other planets in the solar system, which is also considered to be the key factor …
Deposition and termination of Neoproterozoic iron formations (NIFs): New insights from NIFs in China
Over the past two decades, advancements in geochronological, sedimentary, and
geochemical studies have considerably deepened our understanding of the links between …
geochemical studies have considerably deepened our understanding of the links between …
Crustal carbonate build-up as a driver for Earth's oxygenation
Oxygenation of Earth's atmosphere and oceans played a pivotal role in the evolution of the
surface environment and life. It is thought that the rise in oxygen over Earth's history was …
surface environment and life. It is thought that the rise in oxygen over Earth's history was …
Dynamic redox and nutrient cycling response to climate forcing in the Mesoproterozoic ocean
Controls on Mesoproterozoic ocean redox heterogeneity, and links to nutrient cycling and
oxygenation feedbacks, remain poorly resolved. Here, we report ocean redox and …
oxygenation feedbacks, remain poorly resolved. Here, we report ocean redox and …
Mesoproterozoic oxygenation event: From shallow marine to atmosphere
Oxygen availability is crucial for the evolution of eukaryotes in geological history, but the
redox conditions of the mid-Proterozoic atmospheric-oceanic system remain vigorously …
redox conditions of the mid-Proterozoic atmospheric-oceanic system remain vigorously …
Mineralogy-based stepwise dissolution of dolomitic limestone reveals high iodine content in water-column precipitated calcite and well‑oxygenated shallow seawater …
Abstract Carbonate I/(Ca+ Mg) has been used as a proxy to track shallow-seawater oxygen
levels through Earth's history. However, due to diagenetic alteration and homogenization of …
levels through Earth's history. However, due to diagenetic alteration and homogenization of …
Extensive sea-floor oxygenation during the early Mesoproterozoic
The Mesoproterozoic ocean was previously proposed to be characterized by low oxygen
concentrations that may have resulted in a stasis in eukaryotic evolution. Recent studies …
concentrations that may have resulted in a stasis in eukaryotic evolution. Recent studies …
Fluctuating oxygenation and dynamic iron cycling in the late Paleoproterozoic ocean
Abstract The mid-Proterozoic (1.8–0.8 billion years ago, Ga) is generally considered to have
been an interval of relative stasis in terms of environmental and biological evolution. Indeed …
been an interval of relative stasis in terms of environmental and biological evolution. Indeed …
Pyrite mega-analysis reveals modes of anoxia through geological time
The redox structure of the water column in anoxic basins through geological time remains
poorly resolved despite its importance to biological evolution/extinction and biogeochemical …
poorly resolved despite its importance to biological evolution/extinction and biogeochemical …
Large igneous province emplacement triggered an oxygenation event at∼ 1.4 Ga: Evidence from mercury and paleo‐productivity proxies
Abstract The mid‐Proterozoic (∼ 1.8–0.8 Ga) ocean‐atmosphere system is hypothesized to
have experienced fluctuations in redox conditions with transient oxygenation events. One of …
have experienced fluctuations in redox conditions with transient oxygenation events. One of …