Mid-Jurassic to Recent Tectonic Evolutionof the Arctic Region

Using the PLATES Animation Software

1999, University of Texas Institute for Geophysics

December 9, 1999

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

A joint production of

and the U.S.Naval Research Lab

The following animationis an abbreviated version,showing reconstructions every 30 million years.

The original animation shows reconstructions from 170 to 0 Ma,

every 1 million years.

1999 UTIG

BajocianMiddle Jurassic

1999 UTIG

VolgianLate Jurassic

1999 UTIG

AptianEarly Cretaceous

1999 UTIG

TuronianLate Cretaceous

1999 UTIG

Late Paleocene

1999 UTIG

Early Oligocene

1999 UTIG

Present Day

We wish to thank the PLATES’ sponsorsfor their support:

Conoco, Elf, Exxon-Mobil, Norsk Hydro, and Statoil.

For more information, contact:Lisa M. Gahagan

Institute for GeophysicsUniversity of Texas at Austin

plates@ig.utexas.edu