In a recent study, geologists say Michigan is home to the oldest known rock in the nation. Watersmeet gneiss is found in Michigan's Upper Peninsula. Minnesota's Morton gneiss previously held the title ...

Have you ever stood on a piece of Earth, whether at an impressive national park like the Grand Canyon (the most-visited natural wonder in the world) or even in your own backyard, and wondered just how ...

A new geological study has uncovered the oldest rock in the United States, dating back 3.6 billion years. The research, published in GSA Today, identifies the Watersmeet Gneiss in Michigan as ...

A rocky outcrop in a remote corner of northern Quebec appears serene in its eerie isolation on the eastern shore of Canada’s Hudson Bay. But over the past two decades, this exposed remnant of ancient ...

This is a preview. Log in through your library . Abstract Samples were taken at 0-15 cm, 15-30 cm and 60-90 cm at 15 m interval from the crest to the valley bottom of two toposequences, one on ...