Macro photograph of the patterns in a piece of fossilized oak from Oregon; Miocene in age Image #3378 5994 X 3807 pixels
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 #4066 4080 X 6144 pixels
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 # 4146 6144 X 4912 pixels (19.26 MB)
