borttagen - 40Ar/39Ar Geochronology Laboratory
The 40Ar/39Ar method is a tremendously versatile and powerful geochronometer which has been used to date K-bearing rocks and minerals as young as a few 10’s of thousands of years to the oldest rocks on Earth. Argon for 40Ar/39Ar analysis can be released either by step-heating a sample (single grain or rock aggregate) using a furnace or a defocused laser and by in-situ Laser Ablation of a small ≥ 2
https://www.geology.lu.se/borttagen-40ar39ar-geochronology-laboratory - 2026-08-07
