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

Head to Greenland’s west coast during the brief weeks of summer for a glimpse of gneiss—banded, metamorphic rock 3.8 billion years of age. This rock was likely formed when mantle and crust ...

The rock is a 14-pound caramel-brown and chalkboard black hunk of gneiss, a banded metamorphic rock that started out as sandstone and shale, according to Rob Rogers, a geology professor at ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A soaring mountain range as tall as the Himalayas once towered over the U.S. East Coast.

This new street-facing elevation was designed to complement Fordham’s collegiate gothic architecture and is clad in Fordham Gneiss, a banded metamorphic rock that was used to construct many of ...

A trio of researchers from James Cook University, working with a colleague from the University of Adelaide, has found metamorphic diamonds in rocks near Australia's northeast coast. In their paper ...

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 rock is a 14-pound caramel-brown and chalkboard black hunk of gneiss, a banded metamorphic rock that started out as sandstone and shale, according to Rob Rogers, a professor of geology at Cal ...