In 2008 scientists reported that rocks in Canada were the world’s oldest. New data appear to confirm this contested claim ...

Scientists agreed the rocky outcrops in a remote part of Quebec, Canada, were ancient. But were they really Earth’s oldest?

Scientists have identified what could be the oldest rocks on Earth from a rock formation in Canada. The Nuvvuagittuq ...

For decades, the oldest rock in the United States was considered Morton Gneiss, although a new contender has recently been ...

Geologist Michael Ackerson holds a sample from Canada's Acasta Gneiss formation, home to some of the oldest rocks on the planet. Michael Ackerson We know Earth is old. Scientists estimate that our ...

The rocks on Barra formed in the Archaean Eon more than 2.7 billion years ago. “When we got close to the rocks in the quarry, we could see their banding was typical of Lewisian gneiss,” says Paul.

This crag, an eye-catching expanse of gneiss rock near Tram Stop 1, makes a perch for saguaros. Cracks in the cliff face are geologic features known as joints. Dean Knuth/Arizona Daily Star ...

Yellow Aster Gneiss. Season 5 Episode 7 | 5m 41s Video has Closed Captions | CC. Oldest North Cascades bedrock, a 400-million-year-old tale from European origins. 01/18/2024 | Expires 12/06/2025 ...

Some of the Earth’s oldest rocks may have formed from the high temperatures of meteorite impacts, a new study reports. Granite-like, or felsic, rocks in ...