Geologists recently dated the age of Watersmeet gneiss, a type of rock in the Upper Peninsula, as the oldest in the U.S. Here ...

Michigan, Minnesota and Wisconsin all feature ancient rocks known as gneisses — metamorphic rocks banded with various minerals — but an analysis determined that the gneiss in northern Michigan ...

the samples have been submitted to the lab and the results are expected in 6-8 weeks time.

China National Offshore Oil Corporation announced on Sunday the discovery of the world's largest metamorphic rock oilfield in the deep layers of China's Bohai Sea. The Bohai 26-6 oilfield has ...

The reservoir of the Bohai 26-6 oilfield is buried in metamorphic rocks beneath the seabed at a depth of several kilometers, according to CNOOC. It is estimated that the oilfield can yield more ...

Smithsonian researchers trekked to a remote site in northern Canada to collect four-billion-year-old rock samples that could ...

The sediment comes from eroded rocks carried there by rivers or ice, and from the skeletons of sea creatures. Metamorphic rocks close metamorphic rockMetamorphic rocks are those rocks which have ...

Stewart's work has revealed evidence that carbon dioxide emitted by metamorphic rocks generated the insulating effect necessary for organisms to survive. A paper titled "Enhanced metamorphic CO 2 ...

Instead, they consider an assortment of areas — comparing the age and the accessibility of the rock — prior to picking up their trowels. Most important in their considerations is the type of stone at ...