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RE: Wildfires in Cretaceous world

Looking forward to the paper! Geochemists have had a hard time on nailing down 
pO<sub>2</sub> for ancient atmospheres
(CO<sub>2</sub> and some other gases have easier proxies; oxygen is so reactive 
that you have to use several steps to get to its
level from the sedimentary record). Some modellers have suggested that most of 
the Mesozoic had below-modern pO<sub>2</sub> levels,
but others suggested that it was higher than normal. This fire data seems to 
support the latter.

Thomas R. Holtz, Jr.
Email: tholtz@umd.edu   Phone: 301-405-4084
Office: Centreville 1216                        
Senior Lecturer, Vertebrate Paleontology
Dept. of Geology, University of Maryland
Fax: 301-314-9661               

Faculty Director, Science & Global Change Program, College Park Scholars
Fax: 301-314-9843

Mailing Address:        Thomas R. Holtz, Jr.
                        Department of Geology
                        Building 237, Room 1117
                        University of Maryland
                        College Park, MD 20742 USA 

> -----Original Message-----
> From: owner-DINOSAUR@usc.edu [mailto:owner-DINOSAUR@usc.edu] 
> On Behalf Of Ben Creisler
> Sent: Thursday, March 29, 2012 1:41 PM
> To: dinosaur@usc.edu
> Subject: Wildfires in Cretaceous world
> From: BenCreisler
> bcreisler@gmail.com
> The paper has not been posted yet on the Cretaceous Research website.
> However, here's the info available and a press release.
> Brown, S.A.E., Scott, A.C., Glasspool, I J., Collinson, M.E. 
> (2012) Cretaceous wildfires and their impact on the Earth system.
> Cretaceous Research
> doi:10.1016/j.cretres.2012.02.008
> Press release:
> http://www.rhul.ac.uk/aboutus/newsandevents/news/newsarticles/
> whendinosaursroamedafierylandscape.aspx