Articles | Volume 11, issue 1
Clim. Past, 11, 95–104, 2015
Clim. Past, 11, 95–104, 2015
Research article
16 Jan 2015
Research article | 16 Jan 2015

Drilling disturbance and constraints on the onset of the Paleocene–Eocene boundary carbon isotope excursion in New Jersey

P. N. Pearson and E. Thomas

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Cited articles

Aziz, H. A., Hilgen, F. J,.van Luijk, G. M., Sluijs, A., Kraus, M. J., Pares, J. M., and Gingerich, P. D.: Astronomical climate control on paleosol stacking patterns in the upper Paleocene-lower Eocene Willwood Formation, Bighorn Basin, Wyoming, Geology, 36, 531–534, 2008a.
Aziz, H. A., Di Stefano, A., Foresi, L. M., Hilgen, F. J., Iaccarino, S. M., Kuiper, K. F., Lirer, F., Salvatorini, G., and Turco, E.: Integrated stratigraphy and 40Ar/39Ar chronology of early Middle Miocene sediments from DSDP Leg 42A, Site 372 (Western Mediterranean). Palaeogeography, Palaeoclimatology, Palaeoecology, 257, 123–138, 2008b.
Bown, P. R. and Pearson, P. N.: Calcareous plankton evolution and the Paleocene/Eocene thermal maximum event; new evidence from Tanzania, Mar. Micropal., 71, 60–70, 2009.
Bralower, T. J., Thomas, D. J., Zachos, J. C., Hirschmann, M. M., Röhl, U., Sigurdsson, H., Thomas, E. and Whitney, D. L.: High-resolution records of the late Paleocene thermal maximum and circum-Caribbean volcanism: is there a causal link?, Geology, 25, 963–966, 1997.
Short summary
The Paleocene-to-Eocene thermal maximum was a period of extreme global warming caused by perturbation to the global carbon cycle 56Mya. Evidence from marine sediment cores has been used to suggest that the onset of the event was very rapid, over just 11 years of annually resolved sedimentation. However, we argue that the supposed annual layers are an artifact caused by drilling disturbance, and that the microfossil content of the cores shows the onset took in the order of thousands of years.