<P> Complex uplifting and faulting of the region , followed by extensive erosion , have created the present landscape . The rough floor and jagged walls of the park contain brilliant formations of eroded sandstone and sand dunes more than 150 million years old . Other important rock formations include limestones , shales , and conglomerates . </P>
<P> Complex uplifting and faulting of the region , followed by extensive erosion , have created the present landscape . The rough floor and jagged walls of the park contain brilliant formations of eroded sandstone and sand dunes more than 150 million years old . Other important rock formations include limestones , shales , and conglomerates . </P>
what caused the unusual landscape at the valley of fire
what caused the unusual landscape at the valley of fire
Complex uplifting and faulting of the region , followed by extensive erosion
Complex uplifting and faulting of the region , followed by extensive erosion