Researchers used zircons and AI to reconstruct Earth's ancient crust, revealing possible tectonic processes from the planet's ...

Early Earth's first crust composition discovery rewrites geological timeline. ScienceDaily. Retrieved July 12, 2025 from www.sciencedaily.com / releases / 2025 / 04 / 250402122139.htm.

In the many millennia since, it seems continental crust has retained that original chemical signature, less affected by the heavy bombardment of meteorites that changed the composition of Earth's ...

But unlike modern oceanic crust, which typically lingers for less than 200 million years before getting recycled into Earth’s interior by plate tectonics, the precursor crust survived for more ...

New study challenges discovery of Earth’s ‘oldest’ impact crater - The discovery of an ancient meteorite impact crater was recently reported in Western Australia. But not everyone is convinced it is E ...

Our planet has been asteroid-smashed, melted and eroded, enough that most of its original armor has been long buried. Except for one small chunk.

A study published in Nature on April 2 upended conventional views about Earth’s earliest geological evolution. The research revealed that Earth’s first crust, formed about 4.5 billion years ...

Chunks of Earth's outer crust that are 3.8 billion years old provide rock-solid evidence that the planet had active tectonic plates shortly after its birth.

FINDING a piece of original crust requires an epic journey to the frigid north, the scorching outback, or maybe even beyond the bounds of Earth itself. The first stop on our odyssey is Yellowknife ...

A dense crystalline "rain" falling into Earth's mantle could explain how a mysterious seismic boundary forms beneath the crust, according to a study published Wednesday in the journal Nature.

A new study finds the original crust on Mars is more complex, ... and especially what it means for how Earth's crust first formed." ... Payré says she was mildly surprised at the discovery.

Two geologists studying North America’s oldest rocks have uncovered ancient minerals that are remnants of the Earth’s original crust which first formed more than 4.2 billion years ago.