Why is it called the Permian Basin?

Related questions

1. What is fracking and why is it controversial?
2. Is fracking dangerous?
3. How long do oil and gas leases last?
4. How long do oil royalties last?
5. Is the Permian Basin slowing down?
6. How many oil wells are drilled each year?
7. How long does a oil well last?
8. What state has the most fracking?
9. How much oil does the Permian Basin produce?
10. Should fracking be banned in the United States?

Tags

1. #sedimentary
2. #basin
3. #permian
4. #continent
5. #lends
6. #natural
7. #states
8. #producing
9. #southwestern
10. #united
11. #large