Petrogenesis and geodynamic implications of late cenozoic basalts in North Queensland, Australia: trace-element and Sr-Nd-Pb isotope evidence
Radiogenic isotopic (Sr-Nd-Pb) and trace-element compositions of late Cenozoic basalts from two discreate geographical regions in North Queensland, Australia, can be used to identify contributions from geochemically distinctive mantle source components. The North Queensland basalts have positive Δ/4Pb and Δ8/4Pb values (relative to the Northern Hemisphere Reference Line), and high 206Pb/204Pb and 87Sr/86Sr at given εNd relative to Tertiary basalts in New South Wales, eastern Australia. The...[Show more]
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