The Marcellus Shale, formed over 400 million ... it has also been linked to contaminated drinking water, methane leaks, increased seismic activity, and air pollution. To mitigate these risks ...

Jim Welty is well versed on what is afoot and underfoot with the energy industry. Concerns about having enough energy to ...

The Marcellus Formation (also classified ... deposition almost 400 million years ago. The black shale was deposited in relatively deep water devoid of oxygen, and is only sparsely fossiliferous.