Organic matter and pyritization relationship in recent sediments from a tropical and eutrophic bay

Sabadini-Santos, Elisamara; Senez, Thaise M.; Silva, Tabatta S.; Moreira, Manuel; Filho, João Graciano Mendonça; Santelli, Ricardo Erthal; Crapez, Mírian Araújo Carlos

doi:10.1016/j.marpolbul.2014.09.055

Cited by 16 publications

(1 citation statement)

References 69 publications

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“…0.2-7 wt% Fe; Anbuselvan et al, 2018;Koukina et al, 2017) under tropical climate, this correlation suggests that TOC might be a limiting factor for Fe(III) microbial reduction (and in turn, pyritization) in the studied Fe-rich lagoon sediments of New Caledonia. This limiting character of the TOC available to fuel microbial reduction of Fe(III) associated with goethite and/or clay minerals has already been proposed to explain the low formation of pyrite in subsurface redox transition zone or sediments (Benzine et al, 2013;Sabadini-Santos et al, 2014;Wu et al, 2017).…”

Section: Influence Of the Redox Conditions On Fe And Ni Speciation Inmentioning

confidence: 73%

Nickel and iron partitioning between clay minerals, Fe-oxides and Fe-sulfides in lagoon sediments from New Caledonia

Merrot

Juillot

Noël

et al. 2019

Science of The Total Environment

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Pyrite contribution to Ni and Fe speciation is low and restricted to the sediments close to the shore Clay minerals are the major host for Fe and Ni across the shore-to-reef gradient Fe-rich smectite, glauconite, chrysotile and greenalite/berthierine are the major Fe and Ni-bearing clay minerals identified Greenalite/berthierine is the most Ni-rich clay mineral identified and it is considered to have formed in-situ upon early diagenesis Green clay authigenesis might represent a major process for trace metals cycling in shallow lagoon sedimentary settings *Highlights (for review : 3 to 5 bullet points (maximum 85 characters including spaces per bullet point) Lagoon sediments, trace metals, speciation, green clays, TEM, XAS.

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Section: Influence Of the Redox Conditions On Fe And Ni Speciation Inmentioning

confidence: 73%

Nickel and iron partitioning between clay minerals, Fe-oxides and Fe-sulfides in lagoon sediments from New Caledonia

Merrot

Juillot

Noël

et al. 2019

Science of The Total Environment

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Microbial community activity in response to multiple contaminant exposure: a feasible tool for sediment quality assessment

Nascimento

Silveira

Bidone

et al. 2019

Environ Monit Assess

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Microbial community shift under exposure of dredged sediments from a eutrophic bay

Nascimento

Easson

Jurelevicius

et al. 2020

Environ Monit Assess

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Organic matter and pyritization relationship in recent sediments from a tropical and eutrophic bay

Cited by 16 publications

References 69 publications

Nickel and iron partitioning between clay minerals, Fe-oxides and Fe-sulfides in lagoon sediments from New Caledonia

Nickel and iron partitioning between clay minerals, Fe-oxides and Fe-sulfides in lagoon sediments from New Caledonia

Microbial community activity in response to multiple contaminant exposure: a feasible tool for sediment quality assessment

Microbial community shift under exposure of dredged sediments from a eutrophic bay

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