Permian Period, the geologic period that began about 280,000,000 years ago and lasted 55,000,000 years. It is named for Perm, Russia, where rocks of the period were first studied systematically. The Appalachian and Ural mountains were formed during the Permian Period, and the colorful red rocks of the southwestern United States are mostly of Permian age.
Over the years, archaeologists have excavated an abundance of important fossils from the La Brea Tar Pits, also known as Rancho La Brea. How knowledgeable are you about this prehistoric place of many a mammoth's demise?
A sculpted mammoth shows visitors to the La Brea Tar Pits what these ancient animals might have looked like, but the pits themselves have looked the same for thousands of years. How did they form, and what discoveries lie beneath the sticky surface?