About The Marcellus Shale

The Marcellus Shale is a North American shale play located in the Appalachian Basin that stretches through southern New York, northern and western Pennsylvania, eastern Ohio, western Maryland, most of West Virginia, below Lake Erie and into southern Ontario, Canada.  Active shale gas drillers and producers are located in Pennsylvania, Ohio and West Virginia.  For more information about North American shale, please click here.