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 #4071 6144 X 4080 pixels
Macro photograph of the patterns in a piece of petrified wood from Saddle Mountain, Washington State Image #3454 4080 X 6144 pixels
Macrophotograph of the structural detail in a piece of polished petrified wood (Species: Araucaria, a conifer, from the Early Triassic, approx 220 million years ago; Madagascar) Image #3769 6144 X 4080 pixels