Ammonite fossil cross-section

2400 × 2003

fossilized ammonite shell

1280 × 960

Trilobite Fossil — Brown

1920 × 1200

fossil fish in stone

1600 × 1254

fossilized leaf in rock

1920 × 1200

fossilized ammonite in rock

5040 × 1050

Fossilized Ammonite Shell — Brown

1200 × 801

fossilized leaf imprint

1920 × 1200

Heart-shaped Stone — Red, Calm, Photograph

2880 × 1800

Rock Specimen

1831 × 1433

cracked rock with mineral veins

3456 × 2304

gray rock with white veins

1220 × 908