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Argon Geochronology

40Ar/39Ar geochronology is a key geochronometer for many Earth Science disciplines for example timing eruptions, magmatism, fluid alteration, extinctions, impacts, orebodies and orogenies.
For tectonicists and structural geologists 40Ar/39Ar geochronology is the only method that allows the direct dating of a rock fabric by examining common rock forming minerals such as white mica or K-feldspar. 40Ar/39Ar geochronology is unique in that, it allows geospeedometry - the science that concerns rate and duration of geological processes.
The RSES argon facility undertakes Ar/Ar analysis for research purposes, for students and for commerical research. Contact us for details.

The National Argon Map (NAM)

For information about NAM, please click here.

Acknowledgment to the traditional owner of the land
We at the Australian National University acknowledge and celebrate the First Australians on whose lands the ANU operates, and pay our respect to the elders of the Ngambri and Ngunnawal people, past, present, and emergent.