Dinosaur death by asteroid brought into seriosu question,article link

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seeker - 30 Mar 2006 23:25 GMT

http://www.foxnews.com/story/0,2933,189685,00.html

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deowll - 02 Apr 2006 07:06 GMT

> http://www.foxnews.com/story/0,2933,189685,00.html

A lot of things causing major environmental changes were going on at the
time. Any one who claims that such an impact would not have caused a lot of
extinctions is loopy. Exactly what was going on with the dinosaurs is rather
hard to know but no evidence suggests that classic dinosaurs were around
after the impact. Yeh I do know they found mud on top of the lava that was
older than some liked but then a lot of material got blasted out and a lot
of material got sucked back in.

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don kenney - 04 Apr 2006 14:36 GMT

***Exactly what was going on with the dinosaurs is rather
hard to know but no evidence suggests that classic dinosaurs were
around after the impact.***

There is some evidence that some dinosaurs may have hung around for a
while in the Paleocene. Quite a few dinosaur bones have been found
above the KT boundary in strata that are unquestionably Paleocene.
Some are probably reworked from Cretaceous strata. Some do not appear
to be reworked and at least one femur is so big that it is maintained
that it is simply too big to have been mechanically transported to its
current situation in Paleocene beds in the Ojo Alamo formation in New
Mexico.

But there is little doubt from current evidence that even if a few
dinosaur species survived the KT transition, they weren't exactly
thriving and died out within a few million years at most.

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Natural Science Forum / Biology / Paleontology / April 2006

Dinosaur death by asteroid brought into seriosu question,article link