Articles | Volume 21
Progress report
10 Aug 2016
Progress report |  | 10 Aug 2016

New drilling of the early Aptian OAE1a: the Cau core (Prebetic Zone, south-eastern Spain)

Pedro Alejandro Ruiz-Ortiz, José Manuel Castro, Ginés Alfonso de Gea, Ian Jarvis, José Miguel Molina, Luis Miguel Nieto, Richard David Pancost, María Luisa Quijano, Matías Reolid, Peter William Skelton, and Helmut Jürg Weissert

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Cited articles

Aguado, R., Castro, J. M., Company, M., and de Gea, G. A.: Aptian bioevents – an integrated biostratigraphic analysis of the Almadich Formation, Inner Prebetic Domain, SE Spain, Cret. Res., 20, 663–683,, 1999.
Arthur, M. A., Dean, W. E., and Schlanger, S. O.: Variations in the global carbon cycle during the Cretaceous related to climate, volcanism, and changes in atmospheric CO2, in: The Carbon Cycle and Atmospheric CO2: Natural Variations Archaean to Present, Geophys. Monogr. Ser., vol. 32, edited by: Sundquist, E. T. and Broecker, W. E., 504–529, AGU, Washington, D.C., 1985.
Arthur, M. A., Jenkyns, H. C., Brumsack, H., and Schlanger, S. O.: Stratigraphy, geochemistry, and paleoceanography of organic carbon-rich Cretaceous sequences, in: Cretaceous Resources, Events and Rhythms, edited by: Ginsburg, R. N. and Beaudoin, B. Kluwer Academic, Dordrecht, 75–119, NATO AS1 Series C, 304, 1990.
Beerling, D. J. and Royer, D. L.: Fossil plants as indicators of the Phanerozoic global carbon cycle, Annu. Rev. Earth Pl. Sc., 30, 527–556, 2002.
Castro, J. M., de Gea, G. A., Ruiz-Ortiz, P. A., and Nieto, L. M.: Development of carbonate platforms on an extensional (rifted) margin. The Valanginian–Albian record of the Prebetic of Alicante (SE Spain), Cret. Res., 29, 848–860,, 2008.
Short summary
The Cretaceous was punctuated by several episodes of accelerated global change, defined as Oceanic Anoxic Events (OAE), that reflect abrupt changes in global carbon cycling. In this progress report, we present a new drill core recovering an Aptian section spanning OAE1a in southern Spain. The Cau section is located in the easternmost part of the Prebetic Zone (Betic Cordillera). All the studies performed reveal that the Cau section represents an excellent site to further investigate OAE1a.