GEOL766: Earth Systems Change

Discussion T5: Tuesday, Nov. 4 and Thursday, Nov. 6, 2008: Cretaceous ocean anoxic events - OAE2

A. The attributes of OAE2 and its origin:
1. Arthur, M.A., Dean, W.E., and Pratt, L.M., 1988, Geochemical and climatic effects of increased marine organic carbon burial at the Cenomanian/Turonian boundary: Nature, v. 335, p. 714-717.
2. Kerr, A.C., 1998, Oceanic plateau formation: a cause of mass extinction and black shale deposition around the Cenomanian-Turonian boundary?: Journal of the Geological Society, v. 155, p. 619-626.
3. Turgeon, S.C., and Creaser, R.A., 2008, Cretaceous oceanic anoxic event 2 triggered by a massive magmatic episode: Nature, v. 454, p. 323-326.
4. Forster, A., Kuypers, M.M.M., Turgeon, S.C., Brumsack, H.-J., Petrizzo, M.R., and Sinninghe Damsté, J.S., 2008, The Cenomanian/Turonian oceanic anoxic event in the South Atlantic: New insights from a geochemical study of DSDP Site 530A: Palaeogeography, Palaeoclimatology, Palaeoecology, v. 267, p. 256-283.

B. The duration of OAE2 and its alternative models
5. Kuypers, M.M.M., Lourens, L.J., Rijpstra, W.I.C., Pancost, R.D., Nijenhuis, I.A., and Sinninghe Damsté, J.S., 2004, Orbital forcing of organic carbon burial in the proto-North Atlantic during oceanic anoxic event 2: Earth and Planetary Science Letters, v. 228, p. 465-482.
6. Sageman, B.B., Meyers, S.R., and Arthur, M.A., 2006, Orbital time scale and new C-isotope record for Cenomanian-Turonian boundary stratotype: Geology, v. 34, p. 125-128.
7. Mitchell, R.N., Bice, D.M., Montanari, A., Cleaveland, L.C., Christianson, K.T., Coccioni, R., and Hinnov, L.A., 2008, Oceanic anoxic cycles? Orbital prelude to the Bonarelli Level (OAE 2): Earth and Planetary Science Letters, v. 267, p. 1-16.

C. The expression of OAE2 in shalow water settings:
8. Parente, M., Frijia, G., Di Lucia, M., Jenkyns, H.C., Woodfine, R.G., and Baroncini, F., 2008, Stepwise extinction of larger foraminifers at the Cenomanian-Turonian boundary: A shallow-water perspective on nutrient fluctuations during Oceanic Anoxic Event 2 (Bonarelli Event): Geology, v. 36, p. 715-718.
9. Laurin, J., and Sageman, B.B., 2007, Cenomanian Turonian Coastal Record in SW Utah, U.S.A.: Orbital-Scale Transgressive Regressive Events During Oceanic Anoxic Event II: Journal of Sedimentary Research, v. 77, p. 731-756.
10. Drzewiecki, P.A., and Simo, J.A., 1997, Carbonate platform drowning and oceanic anoxic events on a Mid-Cretaceous carbonate platform, south-central Pyrenees, Spain: Journal of Sedimentary Research, v. 67, p. 698-714.

D. An interesting test for the organic carbon burial:
11. Kuypers, M.M.M., Pancost, R.D., and Damste, J.S.S., 1999, A large and abrupt fall in atmospheric CO2 concentration during Cretaceous times: Nature, v. 399, p. 342-345.

E. Other topics that may be of your interest:
12. Spicer, R.A., Ahlberg, A., Herman, A.B., Hofmann, C.-C., Raikevich, M., Valdes, P.J., and Markwick, P.J., 2008, The Late Cretaceous continental interior of Siberia: A challenge for climate models: Earth and Planetary Science Letters, v. 267, p. 228-235.