Parts of ancient Earth may have formed continents and recycled crust through subduction far earlier than previously thought.
The history of Earth's continents might be different from what we first thought. The most popular theory of how the continents formed billions of years ago may not be right, according to a paper in ...
Earth’s earliest crust, formed over 4.5 billion years ago, has long been thought to have lacked the complex chemical features associated with continental crust. However, a recent study published in ...
Crystals hidden in Australia’s oldest rocks have revealed new clues about how Earth and the Moon formed. The study suggests Earth’s continents didn’t begin growing until hundreds of millions of years ...
The Mid-Atlantic Ridge in Iceland. This area is the boundary between the North American and Eurasian tectonic plates, which move apart ~ 2.5 cm/year. Subduction and the formation of continents, a ...
The two halves of the African continent are moving apart at a rate of a few millimeters each year, geologists have calculated.