Ever been late because you misread a clock? Sometimes, the "clocks" geologists use to date events can also be misread.

Ever been late because you misread a clock? Sometimes, the "clocks" geologists use to date events can also be misread.

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.

Unravelling Earth’s 4.5-billion-year history with rocks is tricky business. Case in point: the discovery of an ancient meteorite impact crater was recently reported in the remote Pilbara region of ...

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 ...

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 ...

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 ...

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.