Age and geochemical similarities between these basalts and those drilled in the Celebes Sea indicate this North Sulawesi volcanic arc was built on the same oceanic crust. Joron, J.L.Įocene BABB basalts intruded by tholeiitic and calk-alkalic island arc magmatic rocks are reported from the north arm of Sulawesi ( Indonesia). International Nuclear Information System (INIS) Eocene to Miocene back-arc basin basalts and associated island arc tholeiites from northern Sulawesi ( Indonesia): Implications for the geodynamic evolution of the Celebes basin
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