Marcellus mosaics in the news

The Allegheny Front is an NPR-affiliated radio program covering environmental issues in Western Pennsylvania. This interview / article was part of their series “The Fracking of Pennsylvania.”

Making Mosaics from the Marcellus and Other Rocks Under Our Feet by Lauren Knapp

The Marcellus shale is most notably tapped for its gas deposits. But one artist has found a very different use for the black gold underground: mosaics. Lynch blends shale with other rocks from our region and colorful glass to create work that is being purchased by gas companies and other aficionadoes of local geology.


Artist Rachel Sager Lynch has been making mosaics for about ten years with material she finds right under her feet. Sager has created several artfully constructed diagrams illustrating both drilling and the geology beneath us with the help of her pieces of shale, limestone, coal, and sandstone.

Mighty Marcellus No. 3 - detail

“It’s very grey, tan, it has uh, little quartz elements to it so it has a bit of a shine to it,” Sager said.

Sager works out of her home studio in Murrysville, just east of Pittsburgh. She cuts rocks found in the area into thousands of cube-like pieces.

Deep Well: Marcellus Series

Having grown up on a farm in Fayette County, she says her dad was the first person she called when she first conceived of the project.

“And I said, ‘Dad, list me the layers of earth underneath the farm.’ And he did – just like that – he rattled them right off, it was amazing. So that’s how the Marcellus series was born,” Sager Lynch explained.

While she finds most of her materials on walks around the region, she did get her hands on some of the more deeply buried stuff.Mighty Marcellus No. 3

“Range Resources gave me a couple buckets full of Marcellus shale that had come from a core sample drilling. So it had come from the 8,000 feet below. And I used up every speck of it. It was wonderful stuff,” said Sager Lynch.

Sager Lynch is decidedly apolitical about her work. She feels she can understand both sides of the heated debate over the gas industry. She’s the daughter of a coal mine owner and she’s an avid nature lover. Her family’s Fayette County property also benefits from natural gas drilling.

Mighty Marcellus No. 5

“Part of me, is very sad to see, you know, the wells dotting the farmland that I’ve been looking at my whole life. You know, I’ve had maybe a vista that I’ve appreciated since I was a little girl and it’s different now. So I’ll continue to be conflicted about it. I will. That’s my way of working out the conflict,” Sager Lynch said.

Utica: Marcellus Series

But that doesn’t mean she is a passive observer. Sager Lynch sees her work as a way to empower people who might feel overwhelmed by fracking in their region.

“Right now the drillers are the only ones who understand what’s going on below ground. And so this – these images that people can actually stand in front of and touch and really appreciate, you know, in tiny tiny little detail, gives them more of a power maybe over the whole idea of what’s happening,” said Sager Lynch.

Sager Lynch believes everyone in this area should know what’s happening underneath their feet.

Mighty Marcellus No. 4 - detail

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