Macrophotograph of the structural detail in a piece of fossilized wood (Araucarioxylon arizonicum) from the Chinle Formation in Utah; late Triassic (approx. 225 million years) in age; an extinct confier Image #4101 4456 X 5781 pixels
Macro photograph of the patterns in a piece of fossilized wood from Saddle Mountain, Washington State Image #3452 5951 X 4634 pixels
