Friday, June 3, 2011

Carboniferous Plant Fossils

A fern fossil plate from the famous St. Clair, Pennsylvania site.  Fossils date to the Pennsylvanian or Carboniferous time period.  The white appearance is from the compound aluminum silicate or pyrophyllite.  This fossil was collected in the 1970s.

Learn more about this fossil on eBay: CLICK HERE