Secular evolution of continents and the Earth system
Understanding of secular evolution of the Earth system is based largely on the rock and
mineral archive preserved in the continental lithosphere. Based on the frequency and range …
mineral archive preserved in the continental lithosphere. Based on the frequency and range …
Deglacial volcanism and reoxygenation in the aftermath of the Sturtian Snowball Earth
M Li, Y Xu, L Sun, J Chen, K Zhang, D Li… - Science …, 2023 - science.org
The Cryogenian Sturtian and Marinoan Snowball Earth glaciations bracket a nonglacial
interval during which Demosponge and green-algal biomarkers first appear. To understand …
interval during which Demosponge and green-algal biomarkers first appear. To understand …
Reexamination of 2.5-Ga “whiff” of oxygen interval points to anoxic ocean before GOE
Transient appearances of oxygen have been inferred before the Great Oxygenation Event
(GOE)[∼ 2.3 billion years (Ga) ago] based on redox-sensitive elements such as Mo and S …
(GOE)[∼ 2.3 billion years (Ga) ago] based on redox-sensitive elements such as Mo and S …
40 years of theoretical advances in mass-independent oxygen isotope effects and applications in atmospheric chemistry: A critical review and perspectives
M Lin, MH Thiemens - Applied Geochemistry, 2024 - Elsevier
The discovery of chemically induced mass-independent isotope fractionation in ozone
formation 40 years ago revealed a new type of isotope effect that was not considered within …
formation 40 years ago revealed a new type of isotope effect that was not considered within …
Vacuum ultraviolet photodissociation of sulfur dioxide and its implications for oxygen production in the early Earth's atmosphere
The emergence of molecular oxygen (O2) in the Earth's primitive atmosphere is an issue of
major interest. Although the biological processes leading to its accumulation in the Earth's …
major interest. Although the biological processes leading to its accumulation in the Earth's …
Mercury isotopes show vascular plants had colonized land extensively by the early Silurian
The colonization and expansion of plants on land is considered one of the most profound
ecological revolutions, yet the precise timing remains controversial. Because land …
ecological revolutions, yet the precise timing remains controversial. Because land …
Technical comment on “Reexamination of 2.5-Ga 'whiff'of oxygen interval points to anoxic ocean before GOE”
Many lines of inorganic geochemical evidence suggest transient “whiffs” of environmental
oxygenation before the Great Oxidation Event (GOE). Slotznick et al. assert that analyses of …
oxygenation before the Great Oxidation Event (GOE). Slotznick et al. assert that analyses of …
Dissociation of mercuric oxides drives anomalous isotope fractionation during net photo-oxidation of mercury vapor in air
The atmosphere is the primary medium for long-distance transport and transformation of
elemental mercury (Hg), a potent neurotoxin. The recent discovery of mass-independent …
elemental mercury (Hg), a potent neurotoxin. The recent discovery of mass-independent …
Enhanced weathering triggered the transient oxygenation event at∼ 1.57 Ga
Abstract The mid‐Proterozoic (∼ 1.8–0.8 Ga) is characterized by low atmospheric oxygen
and pervasive oceanic anoxia, with transient oxygenation events. One of the oxygenation …
and pervasive oceanic anoxia, with transient oxygenation events. One of the oxygenation …
On the origin and evolution of microbial mercury methylation
The origin of microbial mercury methylation has long been a mystery. Here, we employed
genome-resolved phylogenetic analyses to decipher the evolution of the mercury …
genome-resolved phylogenetic analyses to decipher the evolution of the mercury …