The Kiowa Formation or Kiowa Shale is a Cretaceous geologic formation in Kansas, diminishing to member status in Colorado and Oklahoma. In Colorado, the Kiowa Shale was classified as a...
The Ingersoll Shale is a Late Cretaceous informal geological unit in eastern Alabama. Fourteen theropod feathers assigned to birds and possibly dromaeosaurids have been recovered from the unit.
The Mazantic Shale is a geologic formation in Chiapas, Mexico. It was deposited during the Early Miocene. The formation comprises dark gray shales that were deposited in a marine environment....
The Irhazer Shale or Irhazer II Formation is a Middle Jurassic geologic formation of the Irhazer Group in the Agadez Region of Niger. Fossil ornithopod tracks have been reported from...
The Antelope Shale is a geologic formation in the San Joaquin Valley of central California. It underlies the Pliocene epoch Etchegoin Formation. It preserves fossils dating back to the Cretaceous...
The Hammett Shale is a geologic formation in Texas. It preserves fossils dating back to the Cretaceous period. A stratigraphic column at the Mount Bonnell Fault location starts with the...
