Re: Ward dino book

[don ohmes <d_ohmes@yahoo.com>]

Uh, IIRC, the 35% figure is considered by some to be "inflammatory". _Very_ 
inflammatory... }: D

Don

----- Original Message ----
From: "Botterweg, Rrp" <ronald.botterweg@capgemini.com>
To: birdbooker@zipcon.net; dinosaur@usc.edu
Sent: Sunday, September 3, 2006 5:22:16 PM
Subject: RE: Ward dino book


Another theory by Peter Ward! (after his views on Pleistocene extinctions and 
extraterrestrial life).

Oxygen-depleted? I thought that much, if not most of the MesozoÃcum was 
characterized by higher rather than lower oxygen levels?!

I read some figures about Cretaceous oxygen levels (R.Sloan in Dinofest 
International Symposium Proceedings, but there are several other references):

Barremian/Aptian - 28%
Cenomanian/Turonian - 35%
Campanian/Maastrichtian - 31-35%

The lowest numbers I found for the Cretaceous were 21-26%.

Anyway, at least equeal to or higher than today.


-----Oorspronkelijk bericht-----
Van: birdbooker@zipcon.net [mailto:birdbooker@zipcon.net]
Verzonden: za 2-9-2006 20:02
Aan: dinosaur@usc.edu
Onderwerp: Ward dino book
 
HI:
 Saw this forthcoming title:

 
http://www.amazon.com/Out-Thin-Air-Dinosaurs-Atmosphere/dp/0309100615/ref=sr_11_1/102-8300037-4647303?ie=UTF8

 Anybody heard of this idea before?
-- 
Ian Paulsen
Bainbridge Island, WA USA
A.K.A.:Birdbooker 
\"Rallidae all the way!\"




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