
The rounded features visible on this slab are of natural origin and due to water infiltrations which, combining with the iron oxides, have cemented the tiny grains of siliceous sand giving rise to the SANDSTONE
Lower Cretaceous. - approximately 90,000,000 years old
Provenance: Kanab - Utah - USA
Dimensions: 14x10 cm
new', courier;">Thickness: 1 cm
Weight: 300 g