Stitched macro 'panoramic' of a piece of petrified wood....a conifer (Araucaria) from the early Triassic age approx. 220 million years ago...from Madagascar Image #3193
Macrophotograph of the structural detail in a piece of fossilized wood (Araucarioxylon arizonicum) from the Chinle Formation in Arizona; late Triassic (approx. 225 million years) in age; the state fossil of Arizona; an extinct conifer Image #4082
