Results 141 to 150 of about 8,217 (293)

Rapid marine oxygen variability: Driver of the Late Ordovician mass extinction. [PDF]

open access: yesSci Adv, 2022
Kozik NP   +8 more
europepmc   +1 more source

Chemostratigraphy Across the Triassic–Jurassic Boundary

open access: yes, 2019
The Triassic‐Jurassic transition (~201.5 Ma) is marked by one of the largest mass extinctions in Earth’s history. This was accompanied by significant perturbations in ocean and atmosphere geochemistry, including the global carbon cycle, as expressed by major fluctuations in carbon isotope ratios. Central Atlantic Magmatic
openaire   +2 more sources

A transient peak in marine sulfate after the 635-Ma snowball Earth. [PDF]

open access: yesProc Natl Acad Sci U S A, 2022
Peng Y   +7 more
europepmc   +1 more source

Mercury abundance and isotopic composition indicate subaerial volcanism prior to the end-Archean "whiff" of oxygen. [PDF]

open access: yesProc Natl Acad Sci U S A, 2021
Meixnerová J   +6 more
europepmc   +1 more source

Stratigraphy, facies, and chemostratigraphy at the Palaeoproterozoic Rävliden North Zn-Pb-Ag-Cu VMS deposit, Skellefte district, Sweden

open access: yesOre Geology Reviews
Filip Simán   +8 more
semanticscholar   +1 more source

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