Environmental crises at the Permian–Triassic mass extinction
The link between the Permian–Triassic mass extinction (252 million years ago) and the
emplacement of the Siberian Traps Large Igneous Province (STLIP) was first proposed in …
emplacement of the Siberian Traps Large Igneous Province (STLIP) was first proposed in …
The evolution of the marine carbonate factory
Calcium carbonate formation is the primary pathway by which carbon is returned from the
ocean–atmosphere system to the solid Earth,. The removal of dissolved inorganic carbon …
ocean–atmosphere system to the solid Earth,. The removal of dissolved inorganic carbon …
Modeling the impacts of diagenesis on carbonate paleoredox proxies
The geochemistry of the carbonate sedimentary record is invaluable for understanding the
ancient seawater evolution of carbon and redox-sensitive elements. However, the …
ancient seawater evolution of carbon and redox-sensitive elements. However, the …
Anomalous marine calcium cycle linked to carbonate factory change after the Smithian Thermal Maximum (Early Triassic)
Extreme greenhouse warming in the latest Permian played a key role in the largest animal
extinction event ever recorded in Earth history. The extinction was likely triggered by …
extinction event ever recorded in Earth history. The extinction was likely triggered by …
Temporal evolution of δ44/40Ca and 87Sr/86Sr of carbonatites: Implications for crustal recycling through time
Carbonatites are igneous rocks composed of over 50% modal carbonate minerals and their
exact origin and possible mode (s) of formation are still debated. We report stable Ca …
exact origin and possible mode (s) of formation are still debated. We report stable Ca …
Conodont calcium isotopic evidence for multiple shelf acidification events during the Early Triassic
The marine calcium (Ca) cycle is controlled by rates of continental weathering, seawater pH,
and carbonate deposition on the seafloor and is linked to atmospheric CO 2, climate …
and carbonate deposition on the seafloor and is linked to atmospheric CO 2, climate …
Stable Ca and Sr isotopes support volcanically triggered biocalcification crisis during Oceanic Anoxic Event 1a
Large igneous province (LIP) eruptions are hypothesized to trigger biocalcification crises.
The Aptian nannoconid crisis, which correlates with emplacement of the Ontong Java …
The Aptian nannoconid crisis, which correlates with emplacement of the Ontong Java …
Calcium isotopes in deep time: Potential and limitations
Calcium is an essential element in the biogeochemical cycles that regulate the long-term
climate state of Earth. The removal of CO 2 from the ocean-atmosphere system is controlled …
climate state of Earth. The removal of CO 2 from the ocean-atmosphere system is controlled …
Application of the δ44/40Ca-δ88/86Sr multi-proxy to Namibian Marinoan cap carbonates
Several studies have exploited the stable calcium (Ca) and strontium (Sr) isotope
compositions of marine carbonate rocks to investigate ancient carbon cycle dynamics …
compositions of marine carbonate rocks to investigate ancient carbon cycle dynamics …
On the origin of Shuram carbon isotope excursion in South China and its implication for Ediacaran atmospheric oxygen levels
Abstract The Ediacaran Shuram excursion marks one of the largest carbon isotope
excursions in Earth's history, but its origin remains enigmatic. In this study, we examine a …
excursions in Earth's history, but its origin remains enigmatic. In this study, we examine a …