e/Appekunny Formation

Information
has gloss	eng: Appekunny Formation is a thick series of rock strata located in the Lewis Range within Glacier National Park, Montana, USA. The formation is primarily mudstone and siltstone deposited in a shallow sea during the Proterozoic. The Appekunny Formation contains bedding structures which may include the remains of the oldest metazoan (animal) on Earth.
lexicalization	eng: Appekunny Formation
instance of	c/Geologic formations of the United States