ðə sˈɛpɪk ɪz wˌɛɹ ðɪ ɔːstɹˈeɪliən tɛktˈɑːnɪk plˈeɪt kəlˈaɪdz wɪððə pɐsˈɪfɪk plˈeɪt ænd kənfˈɜːmd fɔːɹ kˈɛɹi, mˈɛnɪəv hɪz aɪdˈiəz ɐbˌaʊt wʌt ɪz nˈaʊ nˈoʊn æz plˈeɪt tɛktˈɑːnɪks.
The Sepik is where the Australian Tectonic Plate collides with the Pacific Plate and confirmed for Carey, many of his ideas about what is now known as plate tectonics.