Macrophotograph of the structural detail in a piece of fossilized wood (Araucarioxylon arizonicum) from Arizona; late Triassic (approx. 225 million years) in age; the state fossil of Arizona; an extinct conifer Image #4067
Macro photograph of the patterns in a piece of fossilized oak from Oregon; Miocene in age Image #3379
Macro photograph of a cut and polished piece of petrified wood Image #3595
