Abstract
Sm–Nd isotope systematics in mafic–ultramafic lavas from the Norseman–Wiluna greenstone belt, Western Australia, have been reinvestigated. A previous age based on mixing lavas and granites is not confirmed: instead, a Sm–Nd age of 3,262 ± 44 Myr is indicated for the lavas, 400 Myr older than intruding granites, and predating gneisses that have been proposed as basement rocks.
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Claoué-Long, J., Thirlwall, M. & Nesbitt, R. Revised Sm–Nd systematics of Kambalda greenstones, Western Australia. Nature 307, 697–701 (1984). https://doi.org/10.1038/307697a0
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DOI: https://doi.org/10.1038/307697a0
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