GEOL766: Earth Systems Change

Discussion T4: Tuesday, Oct. 28 and Thursday, Oct. 30, 2008: Cretaceous ocean anoxic events - OAE1

A. Early views about the Cretaceous OAE events:
1. Schlanger, S.O., and Jenkyns, H.C., 1976, Cretaceous oceanic anoxic events: causes and consequences: Geologie en Mijnbouw - Netherlands Journal of Geosciences, v. 55, p. 179-184.[The earliest paper regarding the OAEs]
2. Weissert, H., McKenzie, J., and Hochuli, P., 1979, Cyclic anoxic events in the Early Cretaceous Tethys Ocean: Geology, v. 7, p. 147-151.
3. Bralower, T. J., and Thierstein, H. R., 1984, Low productivity and slow deep-water circulation in mid-Cretaceous oceans: Geology, v. 12, p. 614-618.

B. Overview of the Cretaceous OAE events and geochemical attributes:
4. Bralower, T.J., Premoli Silva, I., Malone, M.J., and Scientific Participants of Leg 198, 2002, New evidence for abrupt climate change in the Cretaceous and Paleogene: An Ocean Drilling Program expedition to Shatsky Rise, northwest Pacific: GSA Today, v. 12, p. 4-10.
5. Jenkyns, H.C., 2003, Evidence for rapid climate change in the Mesozoic-Palaeogene greenhouse world: Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, v. 361, p. 1885-1916.
6. Paytan, A., Kastner, M., Campbell, D., and Thiemens, M.H., 2004, Seawater Sulfur Isotope Fluctuations in the Cretaceous: Science, v. 304, p. 1663-1665.

C. Time duration and origin of OAE1a:
7. Jahren, A.H., Arens, N.C., Sarmiento, G., Guerrero, J., and Amundson, R., 2001, Terrestrial record of methane hydrate dissociation in the Early Cretaceous: Geology, v. 29, p. 159-162.
8. Jahren, A.H., Conrad, C.P., Arens, N.C., Mora, G., and Lithgow-Bertelloni, C., 2005, A plate tectonic mechanism for methane hydrate release along subduction zones: Earth and Planetary Science Letters, v. 236, p. 691-704.
9. Li, Y.-X., Bralower, T.J., Montaņez, I.P., Osleger, D.A., Arthur, M.A., Bice, D.M., Herbert, T.D., Erba, E., and Premoli Silva, I., 2008, Toward an orbital chronology for the early Aptian Oceanic Anoxic Event (OAE1a, ~ 120 Ma): Earth and Planetary Science Letters, v. 271, p. 88-100.
10. Heldt, M., Bachmann, M., and Lehmann, J., 2008, Microfacies, biostratigraphy, and geochemistry of the hemipelagic Barremian-Aptian in north-central Tunisia: Influence of the OAE 1a on the southern Tethys margin: Palaeogeography, Palaeoclimatology, Palaeoecology, v. 261, p. 246-260.

D. Characteristics and origin of OAE1b:
11. Kuypers, M.M.M., Blokker, P., Erbacher, J., Kinkel, H., Pancost, R.D., Schouten, S., and Sinninghe Damste, J.S., 2001, Massive Expansion of Marine Archaea During a Mid-Cretaceous Oceanic Anoxic Event: Science, v. 293, p. 92-95.
12. Wagner, T., Wallmann, K., Herrle, J.O., Hofmann, P., and Stuesser, I., 2007, Consequences of moderate ~25,000 yr lasting emission of light CO2 into the mid-Cretaceous ocean: Earth and Planetary Science Letters, v. 259, p. 200-211.
13. Wagner, T., Herrle, J.O., Damst, eacute, Sinninghe, J.S., Schouten, S., St, uuml, sser, I., and Hofmann, P., 2008, Rapid warming and salinity changes of Cretaceous surface waters in the subtropical North Atlantic: Geology, v. 36, p. 203-206.

E. Some other things that may be of interest for the Cretaceous:
14. Bornemann, A., Norris, R.D., Friedrich, O., Beckmann, B., Schouten, S., Damste, J.S.S., Vogel, J., Hofmann, P., and Wagner, T., 2008, Isotopic Evidence for Glaciation During the Cretaceous Supergreenhouse: Science, v. 319, p. 189-192.
15. Kump, L.R., and Pollard, D., 2008, Amplification of Cretaceous Warmth by Biological Cloud Feedbacks: Science, v. 320, p. 195.