Virgin River GorgeNorthwest Arizona at the Utah Border…Faulted, fractured, tilted Paleozoic and Mesozoic rock layers:Conglomerate, limestone, siltstone, chert, shale, and gypsum… become the geometric tools of geology.
Cliffs stand in near vertical faces.
Landslides tumble rock into slopes as erosion undercuts massive beds.
Caves open along fractures and bedding plains.
Weaker stones warp and fold.
Earth layers angled by convergent plate action rise up…300 million years engulf travelers on the Interstate.
As fuel, just as old, propels usthrough geologic wonders of the Colorado Plateau-