Origin of Geochemical Variability by Arc-Continent Collision in the Biru Area, Southern Sulawesi (Indonesia) |
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| Authors: | ELBURG, MARLINA A. VAN LEEUWEN, THEO FODEN, JOHN MUHARDJO, |
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| Affiliation: | 1DEPARTMENT OF GEOLOGY AND GEOPHYSICS, ADELAIDE UNIVERSITY, ADELAIDE, S.A. 5005, AUSTRALIA
2RIO TINTO EXPLORATION, JAKARTA, INDONESIA |
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| Abstract: | Analyses of igneous rocks from the Eocene calc-alkaline andMiocene potassic volcanic arc in southwest Sulawesi indicatethat magmas became more heterogeneous in their trace elementand PbSrNd isotopic signature following the collisionof the Buton microcontinent with the arc at |
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