Geology

=Geology Resources=

The Geologic Story of Pennsylvania - click the link: DCNR
 * pdf that discusses the climate, life, and important geologic events for the area that is now known as Pennsylvania.

Geologic Timescale: link
 * #|Dates vary from source to source.

Periods of the Cenozoic Era are now officially the Paleogene and Neogene. See link for more information: Cenozoic Stratigraphy
 * Does this make it the K-P Boundary? I guess it does!

Supervolcano Movie: watch it on YouTube, as seen on the BBC.

Minerals Page

Earth's Surface Poster