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the claim
Argon-argon dating determines the age of rocks based on the radioactive decay of potassium-40.
the verdict
SUPPORTED
the evidence backs this
refutedsupported
the weight of evidence
3 sources for · 0 against

Argon-argon and potassium-argon dating are established radiometric techniques used to determine the age of rocks by measuring the radioactive decay products of potassium-40.

Evidence for · 3
Dating igneous rocks using the Potassium-Argon Laser Experiment (KArLE) instrument: A case study for ~380 Ma basaltic rocks.
2018 · cited by 13
The study utilizes potassium-argon dating methods to determine the ages of basaltic rocks based on potassium and argon abundances.
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The analysis

The retrieved literature (such as papers [1], [3], and [8]) consistently describes and utilizes potassium-argon and 40Ar/39Ar geochronology to date rocks based on the radioactive decay of potassium, supporting the claim without any contradictory evidence.

More for · 2
40Ar/39Ar dating of a hydrothermal pegmatitic buddingtonite–muscovite assemblage from Volyn, Ukraine
2022 · cited by 8
The research applies 40Ar/39Ar geochronology to potassium-bearing minerals like buddingtonite and muscovite to date geological events.
Argon-based geochronology: advances, limitations and perspectives
2025 · cited by 3
The review outlines how argon-based geochronology, including K-Ar and 40Ar/39Ar dating, leverages the presence of potassium in rocks to determine their age and thermal history.
The paper trail · every fact has a biography
first checked05 Aug 2026
judged → SUPPORTED · 8205 Aug 2026
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