The Avalon Shale is synonymous with the Leonard Shale and is part of the Bone Spring Formation. Discovered recently, it consists of oil, natural gas and gas. The depths of this shale range from 6,500-9,000 feet consisting of sandstone zones that are separated by shale deposits. The Avalon-Leonard Shale located across various parts of southern Eddy & Lea counties in New Mexico.


Location: New Mexico (Catron, Southern Eddy & Lea counties)

& Texas (Culberson, Hudspeth, Shackelford, Ward counties)

Depth: 6,500-9,000

Thickness: 10-20 meters