1. Tectonic Evolution of the Arctic Region Since the OrdovicianBy
L.A. Lawver,
L.M. Gahagan,
and D.A. Campbell
2000, University of Texas Institute for Geophysics
July 9, 2000

3. The following animation is an abbreviated version, showing reconstructions every 50 million years. The original animation shows reconstructions from 450 to 0 Ma, every 1 million years.

4. Ordovician
Late Caradoc ã
PLATES
2000 UTIG

5. Devonian
Late Praghian ã
PLATES
2000 UTIG

6. Carboniferous
Tournaisian ã
PLATES
2000 UTIG

7. Carboniferous
Kasimovian ã
PLATES
2000 UTIG

8. Permian
Tatarian ã
PLATES
2000 UTIG

9. Jurassic
Early Sinemurian ã
PLATES
2000 UTIG

10. Jurassic
Kimmeridgian ã
PLATES
2000 UTIG

11. Cretaceous
Late Albian ã
PLATES
2000 UTIG

12. Paleogene
Late Ypresian ã
PLATES
2000 UTIG

13. Quaternary ã
PLATES
2000 UTIG

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

15. For more information, contact: Lisa M
For more information, contact: Lisa M. Gahagan Institute for Geophysics University of Texas at Austin