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 #4080 6144 X 3876 pixels
Macro photograph of the patterns in a piece of petrified wood from Saddle Mountain, Washington State Image #3461 6144 X 4080 pixels
Macro photograph of patterns and colors in a piece of petrified wood (Woodworthia species) from the Chinle Formation in Arizona; approx. 225 million years old Image #4029 4771 X 4912 pixels
