 Capitol Reef NP Twin Rocks
|
 A spectacular 12 cm piece of Araucaria wood preserved as jet, Jet Shale, Upper Lias, Lower Jurassic, near Whitby, Yorkshire.
|
 Hurdia, pair of frontal appendages, 2 cm. Spence Shale.
|
 erosion
|
 Fossilized impressions in Hermit Shale GCNP
|