Euxinia or euxinic conditions occur when water is both anoxic and sulfidic. This means that there is no oxygen (O2) and a raised level of free hydrogen...
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pulse was associated with intense worldwide anoxia (oxygen depletion) and euxinia (toxic sulfide production), which persisted into the subsequent Rhuddanian...
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Anoxic event (section Euxinia)
enhanced volcanism (the release of CO2) as the "central external trigger for euxinia." Human activities in the Holocene epoch, such as the release of nutrients...
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Traps, which released sulfur dioxide and carbon dioxide, resulting in euxinia (oxygen-starved, sulfurous oceans), elevating global temperatures, and...
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Boring Billion may have been oxygen-poor, nutrient-poor and sulfidic (euxinia), populated by mainly anoxygenic purple bacteria, a type of bacteriochlorophyll-based...
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erosion, which in turn has been propounded as a factor enhancing oceanic euxinia. Euxinia may have been exacerbated even further by the increasing sluggishness...
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reoxygenation during OAE2. Sulphate reduction increased during OAE2, causing euxinia, a type of anoxia defined by sulphate reduction and hydrogen sulphide production...
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Hangenberg event (section Euxinia)
ISSN 0012-8252. Marynowski, Leszek; Filipiak, Paweł (2007-05-01). "Water column euxinia and wildfire evidence during deposition of the Upper Famennian Hangenberg...
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zone euxinia through organic matter respiration and carbon dioxide release. Off the shores of the Wrangellia Terrane, the onset of photic zone euxinia was...
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events provide direct evidence for an increase in anoxia. Photic zone euxinia, documented by concurrent negative ∆199Hg and positive δ202Hg excursions...
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Hongyan; Chen, Daizhou; Lu, Bin; Shi, Zhensheng; Tao, Huifei (2018). "Ocean euxinia and climate change "double whammy" drove the Late Ordovician mass extinction"...
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Amphipoda. Genera: Andrussovia Derzhavin, 1927 Compactogammarus Stock, 1974 Euxinia Tucolesco, 1933 "Pontogammaridae". www.gbif.org. Retrieved 20 June 2021...
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Elliot H.; Algeo, Thomas J.; Sun, Yongge (15 May 2021). "Periodic oceanic euxinia and terrestrial fluxes linked to astronomical forcing during the Late Devonian...
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deposition was episodic and there may have been significant intervals of euxinia. The transition from deposition of banded iron formations to manganese...
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underlying most of Vancouver Island) There is some evidence for seabed euxinia (no oxygen and high toxic sulfide concentrations) during the CPE. Limestones...
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variations during the Proterozoic, including a billion-year period of euxinia, until reaching a steady state of more than 15% by the end of the Precambrian...
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Caineng; Qiu, Zhen; Wei, Hengye; Dong, Dazhong; Lu, Bin (15 December 2018). "Euxinia caused the Late Ordovician extinction: Evidence from pyrite morphology...
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found in the early Eocene. The isolation of the Arctic Ocean, evidenced by euxinia that occurred at this time, led to stagnant waters and as the azolla sank...
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Traps, which released sulfur dioxide and carbon dioxide, resulting in euxinia, elevating global temperatures, and acidifying the oceans. Lisowicia was...
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"Elevated pCO2 leading to Late Triassic extinction, persistent photic zone euxinia, and rising sea levels". Geology. 41 (9): 955–958. Bibcode:2013Geo....41...
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Knoll AH, Saltzman MR (January 2011). "Geochemical evidence for widespread euxinia in the later Cambrian ocean". Nature. 469 (7328): 80–83. Bibcode:2011Natur...
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Örsted, 1845 Einarhelmins Karling, 1993 Enterostomula Reisinger, 1926 Euxinia Graff, 1911 Monoophorum Böhmig, 1890 Pregermarium Stirewalt, Ferguson &...
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microbial sulphur reduction, causing deeper waters to become highly euxinic. Euxinia caused the formation of large amounts of methyl sulphides, which in turn...
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Chlorobactane (section Case Study: Ocean Euxinia)
Paleoceanography. 17: 1051. Meyer, Katja M.; Kump, Lee R. (2008). “Ocean Euxinia in Earth History: Causes and Consequences”. Annual Reviews in Earth and...
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"End-Permian marine extinction due to temperature-driven nutrient recycling and euxinia". Nat Geosci. 14 (11): 862–867. Bibcode:2021NatGe..14..862H. doi:10...
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Water column anoxia and euxinia was most prevalent in restricted oceanic basins, such as the Arctic and Tethys Oceans. Euxinia struck the epicontinental...
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outside sources, variable burial rates, and variable bottom water anoxia and euxinia. The Haynesville Shale came into prominence in 2008 as a major producer...
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the Umbria-Marche Apennines, also exhibited euxinia during the anoxic event. There is less evidence of euxinia outside the northwestern Tethys, and it likely...
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stages of eukaryote evolution. However, the persistence of anoxia and euxinia over the late Tonian despite some increases in oxygen content meant eukaryotic...
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productivity (e.g. photosynthesis). The spread of deep ocean anoxia or euxinia, indicated by a positive correlated δ34SCAS excursion and increased pyrite...
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