The late Hauterivian Faraoni “Oceanic Anoxic Event” at Río Argos (southern Spain): An assessment on the level of oxygen depletion

The late Hauterivian Faraoni “Oceanic Anoxic Event” at Río Argos (southern Spain): An assessment on the level of oxygen depletion

An integrated study of multiple geochemical proxies (TOC, δ13Ccarb, trace metallic elements, iron speciation) on the late Hauterivian Faraoni Oceanic Anoxic Event has been performed along the hemi-pelagic section of Río Argos (south-eastern Spain) in order to better constrain the environmental pertu...

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Veröffentlicht in:Chemical geology 2013-02, Vol.340, p.77-90
Hauptverfasser: Sauvage, Ludivine, Riquier, Laurent, Thomazo, Christophe, Baudin, François, Martinez, Mathieu
Format: Artikel
Sprache:eng
Schlagworte:
anaerobic conditions
Carbon cycle
carbonates
Constants
copper
Depletion
Earth Sciences
Environmental Sciences
Faraoni Event
Freshwater
Geochemistry
Global Changes
Horizon
Hydroxides
hypoxia
Intervals
iron
Iron cycle
Late Hauterivian
manganese
Nickel
OAE
organic matter
oxygen
Oxygen concentration variations
primary productivity
Productivity
Proxy client servers
Sciences of the Universe
Stratigraphy
zirconium
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Zusammenfassung:An integrated study of multiple geochemical proxies (TOC, δ13Ccarb, trace metallic elements, iron speciation) on the late Hauterivian Faraoni Oceanic Anoxic Event has been performed along the hemi-pelagic section of Río Argos (south-eastern Spain) in order to better constrain the environmental perturbations linked to this event in the Subbetic domain. In the studied section, the TOC is relatively low (
ISSN:0009-2541
1872-6836
DOI:10.1016/j.chemgeo.2012.12.004