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RE: Double impact at K-T boundary ?



> From: owner-DINOSAUR@usc.edu [mailto:owner-DINOSAUR@usc.edu] 
> On Behalf Of John Hunt
>
> Typical DML reaction!  Loads of discussion on whether Ukraine 
> should or should not be preceded by "the". 

True enough.

> Absolutely no discussion, apart from the usual "is Shiva 
> really an impact?",

Let's put this even more specifically: until actual geophysicists and
structural geologists find evidence this is a crater, the default is that
there is no there there.

> on whether this satisfies Gerta Keller's 
> double impact theory.  

A more interesting question.

Thomas R. Holtz, Jr.
Email: tholtz@umd.edu   Phone: 301-405-4084
Office: Centreville 1216                        
Senior Lecturer, Vertebrate Paleontology
Dept. of Geology, University of Maryland
http://www.geol.umd.edu/~tholtz/
Fax: 301-314-9661               

Faculty Director, Science & Global Change Program, College Park Scholars
http://www.geol.umd.edu/sgc
Fax: 301-314-9843

Mailing Address:        Thomas R. Holtz, Jr.
                        Department of Geology
                        Building 237, Room 1117
                        University of Maryland
                        College Park, MD 20742 USA