Macro photograph of patterns and colors in a piece of petrified wood from Henry Mountain, Utah; existed during the Upper Jurassic age approx. 150 million years ago Image #2680 4800 X 3200 pixels
Petrified swamp/bog bottom/mud from Nevada; known as Gary Green jasper or larsonite Image #3593 4800 X 3085 pixels
Macrophotograph of a sectioned piece of coral fossil from Panama Image #3949 4718 X 3102 pixels
