Often referred to as the rock that burns, oil shale boasts a high concentration ... to turn their wells underground to follow the oil and gas along the length of a shale layer instead of just straight ...

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

Shale, also called mudstone, is a sedimentary rock formed from fine particles such as mud, silt, and clay. Shale is formed by finely bedded material that splits into thin layers. The pieces commonly ...

The striations show sedimentary layers; the darker the color of a layer, the higher its oil shale content. Credit: US Geological Survey What Is Oil Shale? Caption: Oil shale: The rock that burns.

"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 ...

Fracking-the high-pressure injection of water, chemicals and sand into shale deposits to release the gas and oil trapped within the rock-in recent years has been combined with horizontal drilling ...

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 ...