Pinus

Photographed by Michael P. Klimetz

Silicified Trunk Slice

Antero Formation

Oligocene

Hartsel

COLORADO

Photographed by Michael P. Klimetz

Carbonized Seed Cone

Miocene

Tagebau Hambach

GERMANY

Photographed by Michael P. Klimetz

Carbonized Seed Cone

Miocene

Tagebau Hambach

GERMANY

Photographed by Michael P. Klimetz

Carbonized Seed Cone

Miocene

Tagebau Hambach

GERMANY