While scientists uncovered some 4 billion-year-old rocks in Canada’s Acasta Gneiss Complex, finding them at the surface is not common.

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What we know today as Sabino Canyon was the site of a whole lot of scrunching 25 million years ago. In a geologic nutshell: Two ancient types of rock - 1.4-billion-year-old Oracle granite and 50 ...

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

Scientists have uncovered 4 billion-year-old rocks from another formation in Canada called the Acasta Gneiss Complex, but the Nuvvuagittuq rocks could be even older.

Gneiss That's Older Than Life Itself Credit: flickr Beneath the sharp peaks sits gneiss rock, which is older than most life on Earth. At 2.7 billion years, it predates complex organisms and then some.

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

Scientists have uncovered 4 billion-year-old rocks from another formation in Canada called the Acasta Gneiss Complex, but the Nuvvuagittuq rocks could be even older.

The Acasta Gneiss Complex, a group of rocks exposed along a riverbank nearly 200 miles (300 kilometers) north of Yellowknife, in northwestern Canada, is more widely agreed to be the planet’s ...

In 2008, Canadian researchers said they'd found the world's oldest rocks in northern Quebec. The find was controversial. But after more than a decade of hard work, they believe they've really ...

Of those, the oldest undisputed rocks are found in the Acasta gneiss formation in Canada’s Northwest Territories; at 4 billion years old, they mark the boundary between Earth’s first ...