[ Back to EurekAlert! ]

Contact: Vince Stricherz
vinces@uw.edu
206-543-2580
University of Washington

Ammonite Fossil

Caption: A 2009 image shows the excavation of a large ammonite on James Ross Island in Antarctica. The hole in the center was left when a core sample was extracted so the fossil could be dated using a process called magnetostratigraphy.

Credit: Thomas Tobin/U. of Washington

Usage Restrictions: News use only.

Related news release: Dinosaur die-out might have been second of 2 closely timed extinctions


[ Back to EurekAlert! ]