Oxygenation of the ocean and sediments: Consequences for the seafloor carbonate factory

Observed changes in the source of CaCO 3 sediments since Archean time suggest a first order pattern of decreasing abundance of carbonate cements precipitated directly on the seafloor. We propose that the observed reduction in CaCO 3 precipitation on the seafloor is caused by a decrease in CaCO 3 sat...

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Veröffentlicht in:	Earth and planetary science letters 2009-06, Vol.284 (1), p.25-33
Hauptverfasser:	Higgins, J.A., Fischer, W.W., Schrag, D.P.
Format:	Artikel
Sprache:	eng
Schlagworte:	aqueous geochemistry carbonate sedimentology Marine paleoceanography
Online-Zugang:	Volltext
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