We present new Sr, Nd, Hf and Pb isotope data for Early Miocene shoshonitic and high-K lavas dredged from seamounts in the South Fiji Basin, southwest Pacific Ocean. Our analyses provide a useful reference dataset for this distinctive compositional suite. The shoshonitic lavas formed in an intra-oceanic back-arc basin setting and are broadly coeval with nearby arc and back-arc basin lavas. Further work in the region will be needed before the tectonic implications of the shoshonitic and high-K lavas are fully understood.
|Publication Subtype||Journal Article|
|Title||Sr, Nd, Hf and Pb isotope geochemistry of Early Miocene shoshonitic lavas from the South Fiji Basin: Note|
|Series title||New Zealand Journal of Geology and Geophysics|
|Publisher||Taylor & Francis|
|Contributing office(s)||Alaska Science Center Geology Minerals|
|Google Analytic Metrics||Metrics page|