The Unique Tectonic Setting ofSulawesi, IndonesiaSula and Banggai IslandsThe Sula and Banggai Islands, which are composed of continental crust, apparently began to collide with the East Arm during the Miocene. The composition of the basement material of these islands suggests that they were originally torn from New Guinea and transported westward by a left-lateral transform fault of the Sorong System. |