Age constraints of the structural and stratigraphic architecture of the Agnew-Wiluna Greenstone Belt
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Report title: Age constraints of the structural and stratigraphic architecture of the Agnew-Wiluna Greenstone Belt: Implications for the age of komatiite-felsic association and interaction in the Eastern Goldfields Province, Western Australia
New U-Pb dates from SHRIMP analysis were obtained for late Archaean volcanic and volcaniclastic successions interlayered with komatiites in the Agnew-Wiluna Greenstone Belt of the Yilgarn Craton. The age relations of multiple komatiite horizons in the Mount Keith and Albion Downs regions were re-interpreted, which led to a re-assessment made of the emplacement model for the Mount Keith Ultramafic Complex.
Keywords: Agnew Wiluna Belt, Yilgarn Craton, U-Pb dating, SHRIMP dating, zircon dating, komatiite, Mount Keith ultramafic
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