Comparing Ar diffusion modelling to existing Ar-Ar geochronology. Data is from Nissen (2024) and unpublished Ar diffusion modelling.
Nissen, A, 2024, Mica geochemistry, and paired in situ 87Rb/87Sr and in situ 40Ar/39Ar geochronology of the Brazil Lake Li-Cs-Ta pegmatite, Nova Scotia, Canada, MSc. thesis, Saint Mary's University, Halifax, Nova Scotia