In a recent study, geologists say Michigan is home to the oldest known rock in the nation ... subprovince of the Superior Province of the Canadian Shield; and the Watersmeet gneisses of the ...

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

In a recent study, geologists say Michigan is home to the oldest known rock in the nation ... subprovince of the Superior Province of the Canadian Shield; and the Watersmeet gneisses of the ...

We can add another Michigan discovery to the list related to the oldest rock in America! That's right, this particular rock ...

Natural hydrogen naturally released at the Earth's surface from groundwater in rocks of the Canadian Shield. Credit ... spread across many types of rock formations and can be surprisingly young ...

The spectacular Agawa Canyon Train Tours explore the Canadian Shield with its rugged beauty ... sparkling rivers, incredible rock formations and so much more. The journey is even more magical during ...

Stan Sudol, a Toronto-based analyst and frequent contributor to The Sudbury Star, has called it “the most important mining discovery in Canadian ... geological formation that contains the minerals — a ...