IFLScience on MSN
The planet’s oldest minerals reveal possible continents before 4 billion years ago
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 ...
13hon MSN
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.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results