U-Th-Pb systematics of opaline silica: Implications for the dating of surface processes

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U-Th-Pb systematics of opaline silica: Implications for the dating of surface processes

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 depos...

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Bibliographic Details
Main Author:	Simons, Suzanne Lee
Format:	Thesis
Language:	English
Published:	Curtin University 2015
Online Access:	http://hdl.handle.net/20.500.11937/36

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