1. Mid-Jurassic to Recent Tectonic Evolution of the Arctic Region Using the PLATES Animation Software  1999, University of Texas Institute for Geophysics December 9, 1999

2. L. A. Lawver L. M. Gahagan D. A. Campbell By J. M. Brozena V. Childers Institute for Geophysics, University of Texas at Austin 4412 Spicewood Springs Road #600 Austin TX 78759-8500 USA Naval Research Laboratory, Marine Geosciences Division Washington, D.C. 20375-5320

3. A joint production of and the U.S. Naval Research Lab

4. The following animation is an abbreviated version, showing reconstructions every 30 million years. The original animation shows reconstructions from 170 to 0 Ma, every 1 million years.

6.  1999 UTIG Bajocian Middle Jurassic

7.  1999 UTIG Volgian Late Jurassic

8.  1999 UTIG Aptian Early Cretaceous

9.  1999 UTIG Turonian Late Cretaceous

10.  1999 UTIG Late Paleocene

11.  1999 UTIG Early Oligocene

12.  1999 UTIG Present Day

13. We wish to thank the PLATES’ sponsors for their support: Conoco, Elf, Exxon-Mobil, Norsk Hydro, and Statoil.

14. For more information, contact: Lisa M. Gahagan Institute for Geophysics University of Texas at Austin plates@ig.utexas.edu