PALIN , J. Michael

This paper presents 34 geochemical analyses, 24 Ar‐Ar ages, and two U‐Pb ages of igneous rocks from the back‐arc basins and submarine ridges in the Coral Sea‐New Caledonia region. The D'Entrecasteaux Ridge is a composite structural feature. Primitive arc tholeiites of Eocene age (34–56 Ma) are present along a 200 km length of the ridge and...