Macro photograph of a piece of petrified wood....a conifer (Araucaria) from the early Triassic age approx. 220 million years ago...from Madagascar Image #2217 4751 X 3200 pixels (7.68 MB)
Close up photograph of the structural detail in a piece of sliced and polished petrified wood from Mexico Image #4169 5774 X 2812 pixels (6.33 MB)
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 #4085 6144 X 4080 pixels (10.13 MB)
