Tiny zircon crystals are revealing that Earth’s earliest history may have included surprisingly complex tectonic activity.
A comprehensive examination of the oldest minerals on the planet, microscopic grains of zircon more resistant than diamond, has provided the strongest chemical evidence to date that processes of ...
Parts of ancient Earth may have formed continents and recycled crust through subduction far earlier than previously thought. New research led by scientists at the University of Wisconsin–Madison has ...
Old crystals found in Western Australia are drawing fresh attention from geologists studying how the planet first took shape.
"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." How life emerged on rocky planets such as Earth (and possibly Mars) has been an enduring mystery. It most ...
Add Yahoo as a preferred source to see more of our stories on Google. The view from the Nuvvuagittuq greenstone belt, Nunavik, Quebec, Canada. - Jonathan O’Neil A rocky outcrop in a remote corner of ...
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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. New research led by scientists at the University of Wisconsin–Madison has ...
Intro -- Preface -- References -- Contents -- 1 Why Hadean? -- Abstract -- 1.1 Introduction -- 1.2 Organization of This Book -- 1.2.1 A Brief Overview -- 1.2.2 Chapter Themes -- 1.3 Defining the ...
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 ...
New ANU research is set to radically overturn the conventional wisdom that early Earth was a hellish planet barren of continents. An international research team led by Professor Mark Harrison of the ...
"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Here’s what you’ll learn when you read this story: In an investigation to find out what sparked life on ...
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