Magnetic mineral diagenesis

AP Roberts - Earth-Science Reviews, 2015 - Elsevier
Reduction–oxidation (redox) reactions occur during burial because sediments contain
reactive mixtures of oxidised and reduced components. Diagenetic chemical reactions …

[HTML][HTML] The occurrence, identification and environmental relevance of vivianite in waterlogged soils and aquatic sediments

M Rothe, A Kleeberg, M Hupfer - Earth-Science Reviews, 2016 - Elsevier
In this article, we review the nature, occurrence and environmental relevance of the
authigenic ferrous iron phosphate mineral vivianite (Fe 3 (PO 4) 2· 8H 2 O) in waterlogged …

Global diffusive fluxes of methane in marine sediments

M Egger, N Riedinger, JM Mogollón… - Nature Geoscience, 2018 - nature.com
Anaerobic oxidation of methane provides a globally important, yet poorly constrained barrier
for the vast amounts of methane produced in the subseafloor. Here we provide a global map …

Iron-mediated anaerobic oxidation of methane in brackish coastal sediments

M Egger, O Rasigraf, CJ Sapart, T Jilbert… - Environmental …, 2015 - ACS Publications
Methane is a powerful greenhouse gas and its biological conversion in marine sediments,
largely controlled by anaerobic oxidation of methane (AOM), is a crucial part of the global …

[HTML][HTML] Vivianite is a major sink for phosphorus in methanogenic coastal surface sediments

M Egger, T Jilbert, T Behrends, C Rivard… - … et Cosmochimica Acta, 2015 - Elsevier
Studies of authigenic phosphorus (P) minerals in marine sediments typically focus on
authigenic carbonate fluorapatite, which is considered to be the major sink for P in marine …

An inorganic geochemical argument for coupled anaerobic oxidation of methane and iron reduction in marine sediments

N Riedinger, MJ Formolo, TW Lyons, S Henkel… - …, 2014 - Wiley Online Library
Here, we present results from sediments collected in the Argentine Basin, a non‐steady
state depositional marine system characterized by abundant oxidized iron within methane …

Multiple sulfur isotopes discriminate organoclastic and methane-based sulfate reduction by sub-seafloor pyrite formation

J Liu, A Pellerin, J Wang, D Rickard, G Antler… - … et cosmochimica acta, 2022 - Elsevier
The marine sulfate inventory represents the largest standing pool of electron acceptors,
which, via microbial sulfate reduction, is responsible for roughly half of the organic matter …

Iron and manganese shuttles control the formation of authigenic phosphorus minerals in the euxinic basins of the Baltic Sea

T Jilbert, CP Slomp - Geochimica et Cosmochimica Acta, 2013 - Elsevier
Microanalysis of epoxy resin-embedded sediments is used to demonstrate the presence of
authigenic iron (Fe)(II) phosphates and manganese (Mn)-calcium (Ca)-carbonate …

Coupled dynamics of iron and phosphorus in sediments of an oligotrophic coastal basin and the impact of anaerobic oxidation of methane

CP Slomp, HP Mort, T Jilbert, DC Reed… - PloS one, 2013 - journals.plos.org
Studies of phosphorus (P) dynamics in surface sediments of lakes and coastal seas typically
emphasize the role of coupled iron (Fe), sulfur (S) and P cycling for sediment P burial and …

Biomineralization of iron-phosphates in the water column of Lake Pavin (Massif Central, France)

J Cosmidis, K Benzerara, G Morin, V Busigny… - … et Cosmochimica Acta, 2014 - Elsevier
The availabilities of iron and phosphorus have considerably impacted biological productivity
in past and present natural aquatic environments, and therefore have been key regulators of …