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Widespread and intense wildfires at the Paleocene-Eocene boundary

M.K. Fung1,

1Department of Earth and Environmental Sciences, Rensselaer Polytechnic Institute, Troy, NY 12180, USA

M.F. Schaller1,

1Department of Earth and Environmental Sciences, Rensselaer Polytechnic Institute, Troy, NY 12180, USA

C.M. Hoff1,

1Department of Earth and Environmental Sciences, Rensselaer Polytechnic Institute, Troy, NY 12180, USA

M.E. Katz1,

1Department of Earth and Environmental Sciences, Rensselaer Polytechnic Institute, Troy, NY 12180, USA

J.D. Wright2,

2Department of Earth and Planetary Sciences, Rutgers University, Piscataway, NJ 08854, USA

Affiliations  |  Corresponding Author  |  Cite as  |  Funding information

Fung, M.K., Schaller, M.F., Hoff, C.M., Katz, M.E., Wright, J.D. (2019) Widespread and intense wildfires at the Paleocene-Eocene boundary. Geochem. Persp. Let. 10, 1–6.

Comer Family Foundation and NSF award #1737100.

Geochemical Perspectives Letters v10  |  doi: 10.7185/geochemlet.1906
Received 13 November 2018  |  Accepted 28 January 2019  |  Published 1 March 2019
Copyright © The Authors

Published by the European Association of Geochemistry
under Creative Commons License CC BY-NC-ND 4.0




Figure 1 Location map of Wilson Lake (WL), Randall’s Farm (RF) and other sites discussed in text; Millville (MV), Bass River (BR). Modified after Self-Trail (2017)

Self-Trail, J.M., Robinson, M.M., Bralower, T.J., Sessa, J.A., Hajek, E.A., Kump, L.R., Trampush, S.M., Willard, D.A., Edwards, L.E., Powars, D.S., Wandless, G.A. (2017) Shallow marine response to global climate change during the Paleocene-Eocene Thermal Maximum, Salisbury Embayment, USA. Paleoceanography and Paleoclimatology 32, 710-728.

.
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Figure 2 SEM images of charcoal fragments from WL and RF.
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Figure 3 Charcoal abundance (# >63 μm/gram) and δ13Ccharcoal (this study) plotted with δ13Cbulk carbonate and spherules/gram discovered at WL (Schaller et al., 2016

Schaller, M.F., Fung, M.K., Wright, J.D., Katz, M.E., Kent, D.V. (2016) Evidence of an Extraterrestrial Impact at the Paleocene-Eocene boundary. Science 354, 225-229.

) and RF (this study). Total depth range at RF is ~2 times WL, allowing for direct comparison. Note difference in isotope scale between WL and RF. Ro measurements, Mr/Ms at WL (Kent et al., 2017

Kent, D.V., Lanci, L., Wang, H., Wright, J.D. (2017) Enhanced magnetization of the Marlboro Clay as a product of soil pyrogenesis at the Paleocene-Eocene Boundary? Earth and Planetary Science Letters 473, 303-312.

), and FMR α at RF (Kopp et al., 2009

Kopp, R.E., Schumann, D., Raub, T.D., Powars, D.S., Godfrey, L.V., Swanson-Hysell, N.L., Maloof, A.C., Vali, H. (2009) An Appalachian Amazon? Magnetofossil evidence for the development of a tropical river-like system in the mid-Atlantic United States during the Paleocene-Eocene thermal maximum. Paleoceanography 24, PA4211.

) are shown.
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