Iron and manganese diagenesis in deep sea volcanogenic sediments and the origins of pore water colloids

Iron and manganese diagenesis in deep sea volcanogenic sediments and the origins of pore water colloids

Volcanogenic sediments are typically rich in Fe and Mn-bearing minerals that undergo substantial alteration during early marine diagenesis, however their impact on the global biogeochemical cycling of Fe and Mn has not been widely addressed. This study compares the near surface (0–20 cm below sea fl...

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Veröffentlicht in:Geochimica et cosmochimica acta 2011-09, Vol.75 (17), p.5032-5048
Hauptverfasser: Homoky, W.B., Hembury, D.J., Hepburn, L.E., Mills, R.A., Statham, P.J., Fones, G.R., Palmer, M.R.
Format: Artikel
Sprache:eng
Schlagworte:
biogeochemical cycles
Colloids
Dissolution
goethite
Iron
Islands
Manganese
Nanostructure
organic matter
oxidation
Porosity
Sediments
silicon
smectite
tephra
volcanic activity
water distribution
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Zusammenfassung:Volcanogenic sediments are typically rich in Fe and Mn-bearing minerals that undergo substantial alteration during early marine diagenesis, however their impact on the global biogeochemical cycling of Fe and Mn has not been widely addressed. This study compares the near surface (0–20 cm below sea floor [cmbsf]) aqueous (
ISSN:0016-7037
1872-9533
DOI:10.1016/j.gca.2011.06.019