[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Subject Index][Author Index]
Re: extinction at the K/T boundary
>
>BTW, it was a comet, not an asteroid that did the damage at the
>K/T.
One of those infamous iron-nickel comets? I think not.
To get an iridium spike, you need a metallic asteroid.
Thomas R. Holtz, Jr.
Vertebrate Paleontologist
Dept. of Geology
University of Maryland
College Park, MD 20742
Email:Thomas_R_HOLTZ@umail.umd.edu (th81)
Fax: 301-314-9661
Phone:301-405-4084