The study found that the Port Askaig Formation, composed of layers of rock up to 1.1 km thick, was likely laid down between 662 to 720 million years ago during the Sturtian glaciation -- the first of ...

In late August, the U.S. Geological Survey quietly released a new tool that could reshape how Americans understand the ground beneath their feet. The Cooperative National Geologic Map, now live online ...

The Canyon is a Book of Revelations in the rock-leaved Bible of geology. - John Wesley Powell A professor of geology at Illinois Wesleyan, John Wesley Powell had more than just a passing interest in ...

Iran's folded rocks are rugged mountain ridges and valleys to the southwest of the Caspian Sea. They are an extension of the Greater Caucasus mountain belt, which also stretches along Russia's border ...

The belt mainly includes rocks of sedimentary origin in sequences of hard and soft layers of varying thicknesses. Mechanical properties of individual layers and of the entire package determine how the ...

The set of rocks strewn throughout Baltimore likely represent a slice of prehistoric seafloor from a now-vanished ocean. George Guice, a mineralogist at the Smithsonian’s National Museum of Natural ...