And now, finding clues in ancient rock, ... In 2004, a NASA-backed effort cut a cylinder, known as a drill core, from the Mount McRae Shale, a particularly well-preserved bit of Pilbara.

ANCHORAGE, Alaska — Canada may have its Albertan oil sands, and North Dakota has its Bakken oil formation. But don’t count Alaska out when it comes to producing unconventional oil. Alas… ...

David Demshur, the CEO of Core Laboratories, a Dutch company that analyzes the ground into which oil companies drill, recalls suddenly getting a lot of phone calls in the summer of 2014 from shale ...

"If shale gas fails to deliver on current expectations, then in 10 years or so, gas supplies could face serious constraints." ... A core of shale rock from which gas is a natural by-product.

MSD's Waterway Protection Tunnel construction donated rock core samples to the KGS. "One key finding during sampling was notable amounts of Waldron Shale, a type of rock native to Indiana ...