OCEANIA (INCLUDING FIJI, PNG AND SOLOMONS) 119 Figure Geological map of Fiji, excluding Lau Islands and smaller Islands On Viti Levu, the main rock units are Late Eocene Early Oligocene Yavuna volcanic and plutonic rocks, Late Oligocene Middle Miocene Wainimala volcanic rocks, Middle to Late Miocene Colo plutonic rocks, Late Miocene sediments, and Late Miocene to Pliocene volcanics and sediments On Vanua Levu, the main rock units are Late Miocene Early Pliocene Udu volcanics, Late Miocene Early Pliocene Natewa volcanics, Early to Late Pliocene Nararo volcanic rocks, and Early Pliocene Pleistocene volcanics On Koro Island are Early Pliocene Pleistocene volcanics; and on the Kadavu Islands are Middle Pliocene volcanic rocks Map reproduced with permission from Mineral Resources Department, Fiji