DeQueen Formation
Encyclopedia
The DeQueen Formation, formerly known as the DeQueen Limestone Member is a Mesozoic
geologic formation located in south western Arkansas
and southeastern Oklahoma
in the United States
. Fossil sauropod tracks have been reported from the formation.
Mesozoic
The Mesozoic era is an interval of geological time from about 250 million years ago to about 65 million years ago. It is often referred to as the age of reptiles because reptiles, namely dinosaurs, were the dominant terrestrial and marine vertebrates of the time...
geologic formation located in south western Arkansas
Arkansas
Arkansas is a state located in the southern region of the United States. Its name is an Algonquian name of the Quapaw Indians. Arkansas shares borders with six states , and its eastern border is largely defined by the Mississippi River...
and southeastern Oklahoma
Oklahoma
Oklahoma is a state located in the South Central region of the United States of America. With an estimated 3,751,351 residents as of the 2010 census and a land area of 68,667 square miles , Oklahoma is the 28th most populous and 20th-largest state...
in the United States
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...
. Fossil sauropod tracks have been reported from the formation.