They are particularly interested in shale cap rock—layers of rock that are quite resistant to transport through them, making ...

Often referred to as the rock that burns, oil shale boasts a high concentration of petroleum-like kerogens ... Horizontal drilling technology allows companies to turn their wells underground to follow ...

"Scroll Down through History" displays the layers of rock exposed within the Grand Canyon ... Toroweap Formation, and Hermit Shale. The Coconino Sandstone layer was deposited not by the sea ...

the Burgess Shale in the Canadian Rocky Mountains, are Cambrian Lagerstätten, a German term noting well-preserved organic remains in a rock layer. Before these findings, the research community ...