Mazon Creek is a lagerstätte in northeast Illinois. It is a site of exceptional fossil preservation from the Pennsylvanian sub-period of the Carboniferous, about 309 million years ago.
The area was declared a National Historic Landmark in 1997.
The site's greatest find is the oldest-known beetle.
A: Mazon Creek is located in northeast Illinois.
A: The geological time period associated with Mazon Creek is the Pennsylvanian sub-period of the Carboniferous, about 309 million years ago.
A: The site is a lagerstätte which means it has exceptional fossil preservation. It was also declared a National Historic Landmark in 1997.
A: The oldest-known beetle found at Mazon Creek is the site's greatest find.
A: Mazon Creek was declared a National Historic Landmark in 1997.
A: The geological time period associated with Mazon Creek is about 309 million years old.
A: Mazon Creek has exceptional fossil preservation.
