Figure 1. Map showing the position of New Caledonia relative to Australia and New Zealand, with details on the distribution of ophiolitic nappe (shaded areas; redrawn from Cluzel et al., 2001) discussed in the main text, and the geographical sources of samples used in this study: 1, Mandjélia; 2, Pouebo; 3, Koumac; 4, Cascade de Tao; 5, Bopope; 6, L'Aoupinié; 7, Baie Ugué; 8, Col des Roussettes; 9, Poya; 10, Bourail; 11, environs Thio; 12, Baie des Tortues; 13, Roche Percée; 14, Delta de la Nera; 15, Table Unió; 16, Farino; 17, Col d'Amieu; 18, Moméa; 19, Sarramea; 20, La Foa; 21, Mont Do; 22, route Boulouparis-Thio; 23, Mount Humboldt; 24, Kouakoué; 25, Barrage de la Dumbea; 26, Monts Koghis; 27, Kwa Ne Mwa; 28, Chutes de la Madeleine; 29, Plaine des Lacs; 30, Île-des-Pins; 31, Ouvéa; 32, Maré.