Stratigraphy and Geologic Time

The International Commission on Stratigraphy; note especially:

• Current (early 2008) time scale
• The GeoWhen Database
• The Overview of Global Boundary Stratotype Sections and Points (GSSP's) page
• Time Scale Creator

Paleogeography and Plate Tectonics

Global Earth History website of paleogeographic reconstructions by Northern Arizona University geology professor Dr. Ron Blakey. Note especially:

• Mollewide projections of the Earth from late Neoproterozoic to Holocene
• Paleogeography and Geologic Evolution of North America

ODSN Plate Tectonic Reconstruction Service

Back to Main Page

Last modified: 24 January 2008