The Permian (/ ˈpɜːrmi.ən / PUR-mee-ən) [4] is a geologic period and stratigraphic system which spans 47 million years, from the end of the Carboniferous Period 298.9 Ma (million years ago) to the …

The Permian Basin is a large sedimentary basin in the southwestern part of the United States. It is the highest-producing oil field in the US, producing an average of 4.2 million barrels of crude oil per day …

Oct 16, 2025 · Permian Resources (NYSE: PR) is an independent oil and natural gas company focused on driving sustainable returns through the responsible acquisition, optimization and development of …

Permian Period, in geologic time, the last period of the Paleozoic Era. The Permian Period began 298.9 million years ago and ended 252.2 million years ago, extending from the close of the Carboniferous …

Apr 28, 2023 · During the Permian Period, Earth’s crustal plates formed a single, massive continent called Pangaea. In the correspondingly large ocean, Panthalassa, marine organisms such as …

The Permian period, which ended in the largest mass extinction the Earth has ever known, began about 299 million years ago.

The Permian period lasted from 299 to 251 million years ago* and was the last period of the Paleozoic Era. The distinction between the Paleozoic and the Mesozoic is made at the end of the Permian in …

Permian Basin Information and Statistics. The Permian Basin is an oil-and-gas-producing area located in West Texas and the adjoining area of southeastern New Mexico.

Oct 30, 2012 · Most major groups of terrestrial vertebrates were present in the Permian. A wide variety of amphibians lived on land and in fresh water, including the giant carnivorous Eryops as well as …

The Permian Period is subdivided into Early (Cisuralian), Middle (Guadalupian), and Late (Lopingian) epochs corresponding to the Cisuralian, Guadalupian, and Lopingian rock series.