Data tables. The mafic alkaline volcanism of SW Madagascar (Ankililoaka, Tulear region): <sup>40</sup>Ar/<sup>39</sup>Ar ages, geochemistry and tectonic setting

X-ray fluorescence whole-rock data, mineral compositions, <sup>40</sup>Ar/<sup>39</sup>Ar dataset, mantle source modelling and figures showing volcanological features and thin sections.