Arizona Petrified Wood

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 #4069 5935 X 3711 pixels

Fossilized Pepperwood

Macro photograph of the patterns and detail in a cut and polished piece of fossilized wood (Pepperwood) from the Blue Forest formation in Wyoming; Genus: Schinoxylon; Age: 50 million years (Eocene) Image #3556 3200 X 4800 pixels

Ammolite Fossil, close up

Macrophotograph showing the iridescent colors of ammolite (Placenticeras sp.). Ammolite is composed of the fossilized shells of ammonites and gained gemstone status in 1981. This specimen is late Cretaceous in age (70 million years) and is from the Bearpaw Formation in Alberta, Canada. Image #4326

Fossilized Dinosaur Bone

Macro photograph showing the internal cellular structure in a slice of dinosaur (Iguanodon) bone; collected from the Wealden Clay Formation on the Isle of Wight, UK; existed about 125 million years ago Image #2637 4800 X 3200 pixels

Ammonite Fossil

An extinct marine invertebrate found in Madagascar; Cleoniceras cleon existed during the Middle Cretaceous period approx. 110 million years ago Image #2319 3164 X 4773 pixels

Stromatolite Fossil

Earths' oldest fossils; formed by the activity of microbial mats (particularly cyanobacteria} in limestone-rich shallow waters Image #3767 6144 X 4912 pixels

Fossilized Coral

Macro photograph looking down on a piece of fossilized coral with emphasis on its repetitive patterns and textures Image #3623 6144 X 4080 pixels

Goniatite Fossil

Macro photograph of a sliced Goniatite fossil showing the interior chambered structure of the shell; Goniatites are an extinct ammonoid cephalopod, Devonian in age (approx. 400 million yrs old); this from the Atlas Mountains in Morocco Image #3118 4080 X 5380 pixels

Sea Snail Fossils

Macrophotograph of the fossilized remains of Turitella sea snails Image #3751 4800 X 3101 pixels

Fossilized Spruce

Macro photograph of the woodgrain detail in a piece of fossilized wood (Spruce) from the Miocene Epoch; from Oregon Image #2410 4748 X 3038 pixels

Saddle Mountain Fossilized Wood

Macro photograph of the patterns in a piece of fossilized wood from Saddle Mountain, Washington State Image #3452 5951 X 4634 pixels

Pepperwood Fossil

Macro photograph of the patterns and detail in a cut and polished piece of fossilized wood (Pepperwood) from the Blue Forest formation in Wyoming; Genus: Schinoxylon; Age: 50 million years (Eocene) Image #3561 4800 X 3200 pixels

Ammonite Fossil Slab

Polished rock containing ammonite fossils in various degrees of fragmentation; also known as Marston Magna Marble; approx. 200 million yrs old (Lower Jurassic) mined in Somerset, England Image #3366 4800 X 3200 pixels

Petrified Wood

Macrophotograph of the structural detail in a piece of fossilized wood from Sweet Home, Oregon Image #3918 6115 X 4080 pixels

Fossilized Bog

Petrified swamp/bog bottom/mud from Nevada; known as Gary Green jasper or larsonite Image #3593 4800 X 3085 pixels

Fossilized Woodworthia

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 #2612 3108 X 4708 pixels

Petrified Wood Fossil

Macrophotograph of the structural detail in a piece of fossilized wood (Araucarioxylon arizonicum) from the Chinle Formation in Utah; late Triassic (approx. 225 million years) in age; an extinct confier Image #4102 6144 X 4080 pixels

Petrified Oak

Macro photograph of the patterns in a piece of fossilized oak from Oregon; Miocene in age Image #3379 3200 X 4800 pixels

Fossil Palm

Macrophotograph of the structural detail in a piece of polished petrified palm from Indonesia Image #3903 4800 X 3200 pixels

Goniatite Fossil

Macro photograph of a sliced Goniatite fossil showing the interior chambered structure of the shell; Devonian in age (approx. 400 million yrs old); from the Atlas Mountains in Morocco Image #3116 4800 X 3200 pixels

Crystalline Petrified Wood

Macro photograph of crystalline formations in a cut and polished piece of fossilized wood from the Blue Forest formation in Wyoming; Genus: Schinoxylon; Age: 50 million years (Eocene Epoch) Image #2232 3200 X 4546 pixels

Fossilized Coral

Macrophotograph of a sectioned piece of coral fossil from Panama Image #3951 3200 X 4800 pixels

Petrified Oak

Macro photograph of the patterns in a piece of fossilized oak from Oregon; Miocene in age Image #3413 3110 X 4763 pixels