The Marcellus Shale, also referred to as the Marce
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Posted On: 10/15/2013 9:18:33 AM
The Marcellus Shale, also referred to as the Marcellus Formation, is a Middle Devonian-age black, low density, carbonaceous (organic rich) shale that occurs in the subsurface beneath much of Ohio, West Virginia, Pennsylvania and New York. Small areas of M
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