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dc.contributor.authorSimons, Suzanne Lee
dc.contributor.supervisorAssoc. Prof. Noreen Evans
dc.contributor.supervisorProf. Pete Kinny

U–Pb and U-series analyses of U-rich, relative to both Th and Pb, opal samples using sensitive high-resolution ion microprobe (SHRIMP) demonstrate the ability of this technique for dating opals with ages ranging from several tens of thousands of years to millions of years and from a variety of deposition environments. This experimental study increases the understanding of opal as a geochronometer and explores the stability of U-Th-Pb systematics in opaline silica.

dc.publisherCurtin University
dc.titleU-Th-Pb systematics of opaline silica: Implications for the dating of surface processes
curtin.departmentDepartment of Applied Geology
curtin.accessStatusOpen access

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