These tables correspond to the supplementary material related to the manuscript 'The Gondwanan margin in West Antarctica: insights from Late Triassic magmatism of the Antarctic Peninsula' of Bastias et al. (in review). Gondwana Research.

Supplementary Table 1. Zircon U-Pb LA-ICP-MS geochronological data collected in the University of Lausanne. It contains the full datasets and relevant concordia plots.

Supplementary Table 2. Geochemical composition of the Late Triassic orthogneisses of the Rymill Granite Complex.

Supplementary Table 3. Hf and O isotopic composition of the zircons. Hf data was collected in the University of Geneva and the O data in the University of Lausanne.