Geochemistry and age of the Nouméa Basin lavas, New Caledonia: Evidence for Cretaceous subduction beneath the eastern Gondwana margin

►The Noumea Basin, New Caledonia, contains lavas with continental arc signatures. ►Arc volcanism was active during the Late Cretaceous (88-103 Ma). ►Subduction along the eastern Gondwana margin may have extended to New Zealand. ►Bimodal chemistry in NZ and NC may be the result of slab detachment and roll-back.