geological layers
Which layer of sandstone forms the hoodoos of Goblin Valley?
Entrada
This rock is formed by wood being buried in wet mineral dense sediments, and the wood slowly being replaced by the minerals with heat and time.
Petrified Wood
In the 1950s, the swell was one of the largest exporters of this mineral, driven by the Cold War boom
Uranium
What is the name of the gray sandstone layer in the park?
Curtis
This rock is easily identifiable by the open air pocket in the middle, often filled with crystalline minerals
Geode
Goblin Valley is the ancestral homeland of these tribes.
Ute and Fremont
This layer has large veins of gypsum
Summerville
This rock, found frequently in Goblin Valley, is opaque and often brightly colored, maroon and yellow
Jasper
This famous Utah outlaw used many areas in the San Rafael Swell to hide due to the complex navigation required in the cliffs and canyons.
Butch Cassidy
Which layer of sandstone, found at the top of Wild Horse Butte, is best known for dinosaur fossils?
Morrison
This rock, found frequently in Goblin Valley, is translucent or transparent, and is often found in geodes and paired with jaspers
Agate
This famous French scientist and Nobel prize winner visited the Temple Mountain townsite to study uranium.
Marie Curie