Tiny zircon crystals are revealing that Earth’s earliest history may have included surprisingly complex tectonic activity.
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Hadean zircons reveal crust recycling and continent formation more than 4 billion years ago
Parts of ancient Earth may have formed continents and recycled crust through subduction far earlier than previously thought.
Add Yahoo as a preferred source to see more of our stories on Google. The Nuvvuagittuq Greenstone Belt in northeastern Canada is home to the oldest rocks on Earth (Jonathan O'Neil) Earth formed about ...
(Reuters) -Along the eastern shore of Hudson Bay in Canada's northeastern province of Quebec, near the Inuit municipality of Inukjuak, resides a belt of volcanic rock that displays a blend of dark and ...
During the Hadean eon, Earth was a world of constant impacts, molten rock, and a toxic atmosphere. The surface was repeatedly melted by asteroid strikes while intense heat escaped from the planet’s ...
The oldest crystals formed on Earth contain signs that continents existed during the Hadean Eon and were being subducted into the mantle more than 4 billion years ago. If true, this would not only ...
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A team of Canadian and French researchers has confirmed that northern Quebec is home to the oldest known rocks on Earth, dating back 4.16 billion years. O’Neil, who supervised the original study, ...
Although zircon crystals from Jack Hills, Australia are some of the oldest minerals on Earth, dating to the early Hadean Eon, researchers report that magnetite within the zircons, which could preserve ...
Earth formed about 4.6 billion years ago, during the geological eon known as the Hadean. The name “Hadean” comes from the Greek god of the underworld, reflecting the extreme heat that likely ...
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