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"Fundamental Assumption" in Zircon Dating Called into Question

A commonly-used dating method has been threatened by new findings that undermine assumptions.

Earth's Geodynamo: An Energy Crisis

A new theory to maintain Earth's magnetic field looks like a case of special pleading to rescue a dogma.

How Rocks Can Look Older Than They Are

Researchers find that the most common dating method can produce "spuriously old" dates.

The Trouble with Zircons

Geologists' favorite tool for dating rocks at millions and billions of years old has revealed problems with interpretation.
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