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 8354 X 3534 pixels
Macrophotograph of the patterns and colors in a piece of petrified wood Image #3986 3195 X 4792 pixels
An extinct marine invertebrate found in Morocco. Existed during the Cretaceous period. During fossilization the shell was replaced by an iron compound Image #2190 3200 X 4800 pixels
