Petrified Branch - Full Slice fulgurite Space Shuttle: Developing an Icon:

Space Shuttle: Developing an Icon: 1972-2013

Very few creatures can outmatch the great white in the open ocean

and Hanford

Each fossil tooth includes a small information card about the specimen

Petrified Branch - Full Slice fulgurite Space Shuttle: Developing an Icon:Above: Front of Specimen Card "When the plant deposits are as thoroughly explored as the animal deposits have been, stratigraphic geology will receive much valuable aid." ~ Frank Hall Knowlton, USGS Botanist, 1889. Petrified wood is a unique type of fossil that preserves the impressions of the organic material down to a cellular level. The most common plant fossils are often only impressions of anatomical details left upon soft earth during