Geologic animations and paper models
[Hypercard Stacks - USGS - by Tau Rho Alpha]- Virtual Silurian Reefs
[A distance-learning project of the Milwaukee Public Museum] - Petrology of Sedimentary Rocks
[by Robert L. Folk, University of Texas @ Austin -- a classic] - Geothermal Education Office
[good links to geothermal sources] - Wyoming Dinosaur Center
- Dinobase
[from the University of Bristol -- excellent set of resources] - the Fossil Record 2
[from the University of Bristol, is a near-complete listing of the diversity of life through time, compiled at the level of the family. ] - Cladestrat
[from the University of Bristol - This data base contains results of tests to compare cladograms with stratigraphy.] - Magnetic Studies of the Bay Areas
[San Francisco, CA -- USGS] - Teachers Guide to Bay Area Geophysics Maps
[California -- USGS]