Abstract
In the Celebes Sea Basin the Middle Miocene turbidites were correlated from ODP site 767 throughout the studied area. Differences in their regional thickness variations and distribution indicate two source areas. The Middle Miocene turbidite–fan complexes of the central and southern Celebes Sea Basin are controlled by the paleo-Tarakan delta system, the tectonic events and the basin floor morphology, respectively. The main source area for the time correlative turbidites along the southern Sulu Arc is assumed to be Mindanao.The correlation of the Middle Miocene to Pleistocene sequences exhibit tentative ages for the development of the accretionary wedges along the Cotabato Trench and along the North Sulawesi subduction. A post-Middle Miocene to pre-Pliocene age is inferred for the Cotabato wedge and a Plio-Pleistocene age is assumed for the North Sulawesi wedge.
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