Walczak, K., Cuthbert, S.J., Kooijman, E., Majka, J., Smit, M.A. 2019. U-Pb zircon age dating of diamond-bearing gneiss from Fjørtoft reveals repeated burial of the Baltoscandian margin during the Caledonian Orogeny. Geological Magazine, doi: 10.1017/S0016756819000268.