The Marcellus Formation ... Although black shale is the dominant lithology, it also contains lighter shales and interbedded limestone layers due to sea level variation during its deposition ...

The so-called Marcellus shale region, where an estimated 144 trillion cubic-feet of natural gas lays pocketed between two ...

This is the Marcellus shale, a family of rocks rich in fossil fuels. For Mr Wyman, owner of a local crane company, it is a site of deep reverence. “You only ever see bits and pieces of the ...

As we mark the 20th anniversary of Marcellus Shale development in Appalachia, we can celebrate the positive benefits that natural gas provides to our communities, our economy and workforce, our ...

This article explores the recent decline in U.S. shale gas production, analyzing the contributing factors and potential ...

Large and small, in layer upon layer ... The largest U.S. shale formation, the Marcellus, lies about a mile under the Appalachian Mountains, in an arc that runs from West Virginia to New York ...

This is the sixth in a series of stories reflecting on 20 years of gas drilling in Southwestern Pennsylvania. To understand ...

Industry groups, including Marcellus Shale Coalition ... feet underground and injecting massive amounts of water and a mix of chemicals to break up layers of shale rock. According to studies, people ...

The drilling method uses high pressure from a drill and perforating gun system to crack shale rock layers thousands of ...

The well-defined layers were formed in still ... much of the economically important shale formations in today’s eastern United States, like the Marcellus formation that stretches from New ...

Seismic waves travel to the Earth’s mantle, and the respondent force is analyzed at the surface to identify layers of rock ... prominent in the Marcellus and Bennett shale fields in Pennsylvania ...

While Trump’s energy policy is focused on traditional fossil fuels, an outright retreat from clean energy investment is unlikely given its broad economic benefits.