Geodynamics of Late Carboniferous-Early Permian forearc in north Chile (28°30'-29°30'S) CreixellC. OliverosV. VásquezP. NavarroJ. VallejosD. ValinX. GodoyE. DuceaM.N. 2016 Table 3: Ar-Ar geochronological data. Relative isotope abundances in Mol units