For more than a century, shale and other sedimentary rocks containing a significant portion of solid waxy kerogens have been known as oil shale. When heated, the kerogens are converted to a type of ...

Geologists had long known there was oil and gas in the shale rock. But the petroleum wasn’t worth the effort until companies perfected advances in cracking open the dense formations with high ...

Chris Neuzil is a senior scientist with the National Research Program of the US Geological Survey. He has consulted on shale-type rocks for hosting radioactive waste in Switzerland, France, and Canada ...

(See interactive: "Breaking Fuel from the Rock") "Natural ... policies of the type and stringency simulated here there is no market for these technologies, and the shale gas reduces interest ...