Global ETD Search
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Showing 1 to 6 of 6 for “"OAE 2"”.
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Geochemical signatures of black shales deposited during Oceanic Anoxic Event 2 (Cenomanian/Turonian) in the tropical Atlantic (Demerara Rise, ODP Leg 207) and in northern Germany (Wunstorf
… des Ozeanischen Anoxischen Ereignisses 2 (OAE 2) unterschiedlicher paläogeografischer Standorte. Am Demerara Rise (ODP Leg 207; tropischer Atlantik) sind die Sedimente, die während OAE 2 abgelagert wurden, Teil einer mächtigen Schwarzschiefer-Abfolge, wohingegen sich OAE 2 bei Wunstorf …
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POPULATION DYNAMICS AND GEOCHEMISTRY OF BENTHIC AND PLANKTONIC FORAMINIFERA TO INTERPRET THE PALEOCEANOGRAPHIC CHANGES ACROSS THE CENOMANIAN-TURONIAN OCEANIC ANOXIC EVENT 2 AT LOW AND HIGH LATITUDES
… the Cenomanian-Turonian Oceanic Anoxic Event 2 (OAE 2). It is globally marked by a positive δ13C excursion due to the deposition and burial of large amounts of organic matter in the ocean. The exact causes of OAE 2 are still studied but it is understood that it might be due to a combination of …
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Cyclostratigraphy And Sedimentation Of The Cenomanian-Turonian Tuscaloosa Marine Shale
… correlate the cretaceous oceanic anoxic event 2 (OAE 2) recovery period within the studied interval, and to determine the possible mechanisms of orbital forcing. Results from multitaper spectral analysis and average spectral misfit reveal multiple statistically significant stratigraphic …
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Developing iodine proxies for oceanic oxygenation conditions during greenhouse episodes
… during the so-called oceanic anoxic events (OAEs). How the water column oscillated between generally oxic conditions and local/global anoxia remains a challenging question, exacerbated by a lack of sensitive redox proxies, especially at the interface between oxic and anoxic conditions. To …
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Foraminiferal and stable isotope investigation of the Cenomanian-Turonian extinction and oceanic anoxic event
… well researched is the oceanic anoxic event (OAE 2) and the organic-rich black shales deposited during this interval. Associated with these organic-rich sediments is a positive carbon isotope anomaly. This excursion has a distinct profile and has hence been used for global correlation. There …
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Controls on the accumulation of organic matter in the Eagle Ford Group, Central Texas, USA.
The Upper Cretaceous Eagle Ford Formation is an organic rich marine mudrock which outcrops across central Texas. This study documents the chemostratigraphic character of the Pepper and Eagle Ford Formations in central Texas using major and trace elements, organic matter abundance, and the isotopic …