Fw: Dino 'survival' claim disputed

["Thomas de Wilde" <jedimr_thomas@hotmail.com>]

Well I'm quite sure they haven't suddenly vanished when the meteorite hit
the planet

Thomas

----- Original Message -----
From: "Phil Bigelow" <bigelowp@juno.com>
To: <dinosaur@usc.edu>
Sent: Thursday, February 05, 2004 10:09 PM
Subject: Re: Dino 'survival' claim disputed


>
> > Dino 'survival' claim disputed
> >
> > By Paul Rincon
> > BBC News Online science staff
> >
> >
> > Dr Buck suggests the presence of several iridium layers at Nanxiong
> > supports a
> > view that Cretaceous rocks were reworked in the Tertiary.
> >
> > Multiple claims
> >
> > There have been other claims for the survival of dinosaurs into
> > Tertiary times
> > at sites in Montana and New Mexico in the US, in Bolivia and in
> > India.
> >
> > All of these claims have been questioned by other researchers.
>
>
>
> This subject revives itself in the literature every 4-5 years.  Like
> Lazarus.  So far, the claims have turned out to be a lot of smoke, but no
> fire.
>
> IMHO, researchers should not make claims of post-K survivors unless they
> have found an articulated dinosaur skeleton in strata that is
> unambiguously (and universally agreed upon to be) Paleocene in age.  So
> far, no one has been able find a case where both of these criteria are
> satisfied.  For those interested in the subject of "post Cretaceous
> non-avian dinosaurs", here are a few papers for your perusal.
>
>
> Argast, S., J. O. Farlow, R. M. Gabet, and D. L. Brinkman. 1987.
> Transport-induced abrasion of fossil reptilian teeth: Implications for
> the existence of Tertiary dinosaurs in the Hell Creek Formation, Montana.
>  Geology 15:927-930.
>
> Fassett, J. E., S. G. Lucas, R. A. Zeilenski, and J. R. Budahn. 2000.
> Compelling new evidence for Paleocene dinosaurs in the Ojo Alamo
> Sandstone, San Juan Basin, New Mexico and Colorado, USA., pp. 45-46 in
> Catastrophic events and mass extinctions, Lunar and Planetary
> Contribution No 1053. Lunar and Planetary Institute, Houston.
>
>
> Lofgren, D. L., C. L. Hotton, and A. D. Runkel. 1990. Reworking of
> Cretaceous dinosaurs into Paleocene channel deposits, upper Hell Creek
> Formation, Montana. Geology 18: 874-877.
>
>
> Rigby, J. K., Jr., K. R. Newman, J. Smit, S. van Der Kaars, R. E. Sloan,
> and J. K. Rigby. 1987. Dinosaurs from the Paleocene part of the Hell
> Creek Formation, McCone County, Montana. Palaios 2: 296-302.
>
>
> <pb>
> --
>
>
>
>
>
>
>
>
>
> ________________________________________________________________
> The best thing to hit the Internet in years - Juno SpeedBand!
> Surf the Web up to FIVE TIMES FASTER!
> Only $14.95/ month - visit www.juno.com to sign up today!
>