ðɪ ˈaɪlənd ɪŋklˈuːdz ɐ vɑːlkˈænɪk kˈoːɹ ʌv tˈɜːʃjɚɹi ˈeɪdʒ ænd ɐ wˈaɪd lˈaɪmstoʊn bˈɛlt, mˈeɪnli ɚɹˈɪdʒᵻnˌeɪɾᵻd baɪ kˈɔːɹəlz kˈɔːɹəl ɹˈiːfs ɑːɹ stˈɪl ˈæktɪv ɚɹˈaʊnd ðɪ ˈaɪlənd.
The island includes a volcanic core of Tertiary age and a wide limestone belt, mainly originated by corals (coral reefs are still active around the island).