Scientists play 'geological genealogy'

Four and a half billion years ago, some dust from a cloud orbiting around a star coalesced into a rocky planet. But unlike most of the dusty balls in our solar system, this one was special—it was just the right distance away from the star that one day after the surface had cooled, water could exist as a liquid, rather…Read more...

Scientists play 'geological genealogy'

Researchers trace the parental history of Canadian rocks to a time just after Earth's formation.

Thu 16 Mar 17 from BBC News

Ancient Earth leaves a fading signature

Rare-earth isotopes are providing clues to the nature of the Earth's first crust. Richard A Lovett reports.

Thu 16 Mar 17 from Cosmos Magazine

Remnants of Earth’s original crust preserve time before plate tectonics

Canadian rocks containing bits from 4.2 billion years ago suggest that full-fledged plate tectonics had a late start.

Thu 16 Mar 17 from ScienceNews

Earth's first example of recycling—its own crust

Rock samples from northeastern Canada retain chemical signals that help explain what Earth's crust was like more than 4 billion years ago, reveals new work from Carnegie's Richard Carlson and ...

Thu 16 Mar 17 from

The early Earth wasn’t green, but it did recycle itself

Environment Some surprisingly old rocks give scientists a peek into the past The Earth is about 4.5 billion years old, give or take a few million years. But most of the ...

Wed 22 Mar 17 from Popular Science

Parts of Earth's Original Crust Exist Today in Canada

Rocks from the eastern shore of the Hudson Bay in Canada contain elements of some of Earth's earliest crust, new research finds.

Fri 17 Mar 17 from

Parts of Earth's Original Crust Exist Today in Canada, Thu 16 Mar 17 from Livescience

Portions of Earth's earliest crust found in Canada

Scientists discovered the chemical signatures of early Earth's crust in rock samples recovered in Canada.

Fri 17 Mar 17 from UPI


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