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 ...

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 ...

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

The discovery of an ancient meteorite impact crater was recently reported in Western Australia. But not everyone is convinced ...

Geologists have long debated whether a stony formation in Canada contains the world’s oldest rocks – new measurements make a ...

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 ...

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

Groundbreaking discovery: ... Read the original article. Citation: ... Mantle heat may have boosted Earth's crust 3 billion years ago. Apr 24, 2024.

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.

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.

Moser published his discovery in Geology in 1997, ... Perhaps it was simply another pseudotachylite, or part of the Earth's original crust, the critics said.