High-precision U-Pb zircon dating identifies a major magmatic event on the Moon at 4.338 Ga
Mélanie Barboni,
Dawid Szymanowski,
Blair Schoene
et al.
Abstract:The Moon has had a complex history, with evidence of its primary crust formation obscured by later impacts. Existing U-Pb dates of >500 zircons from several locations on the lunar nearside reveal a pronounced age peak at 4.33 billion years (Ga), suggesting a major, potentially global magmatic event. However, the precision of existing geochronology is insufficient to determine whether this peak represents a brief event or a more protracted period of magmatism occurring over tens of millions of years. To impr… Show more
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