Re: Not quite paleo news, but...

[Gautam Majumdar <gautam@majumdar.demon.co.uk>]

M Murphy <4mjmu@home.com> wrote
>Dr. Richard Muller, origonal proponent of the Nemesis theory, argues on
>the basis of an analysis of glass beads brought back from the lunar soil
>by Apollo 14, that the solar system erupted in a `meteorite blitz' about
>four hundred million years ago after 3 billion years of quiet.  Authors
>note a possible connection between this and the Cambrian explosion.
>>From the NY Times at:
>
>http://www.nytimes.com/library/national/science/031400sci-nasa-moon.html
>

Isn't it a bit late for Cambrian ? On the other hand multiple impact has been
suggested ~370 mya with possible link to late Devonian mass extinction.

See:
Kerr R A, Impact crateres all in a row, Science 1996; 272: 33

News Release U.S.G.S,  October 20, 1997, Comet Struck Southern Nevada
370 Million Years Ago, http://www.usgs.gov/public/press/public_affairs/press_
releases/pr372m.html 

Gautam Majumdar                 gautam@majumdar.demon.co.uk