Browse By

United States

Where groups geological formations by the place each one actually is. The Grand Canyon, Wikipedia notes, "is 277 miles (446 km) long, up to 18 miles (29 km) wide" and lies in Arizona, United States. Browsing by location lets a visitor see every formation standing in one part of the world.

United States

33 entries

Formation Family

Formed By (Process)

Discipline

Formation Type

Protected Status

Bear Gulch Limestone

Bell Rock, Sedona

Bertie Group

Brandon Bridge Formation

Bright Angel Shale

Cathedral Rock, Sedona

Chadron Formation

Chinle Formation

Coconino Sandstone

Dakota Sandstone

Entrada Sandstone

Green River Formation

Hell Creek Formation

Kaibab Limestone

Moenkopi Formation

Monument Rocks, Kansas

Morrison Formation

Navajo Sandstone

Niobrara Formation

Painted Desert

Pierre Shale

Red Rock Canyon, Nevada

Redwall Limestone

Supai Group

Tapeats Sandstone

Toroweap Formation

Two Medicine Formation

Vasquez Rocks

Vermilion Cliffs

White River Formation

Willwood Formation

Wingate Sandstone

Winneshiek Shale