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Mount Narryer and Jack Hills metasedimentary rocks in the Narryer Gneiss Complex of the Yilgarn Craton, Western Australia, contain zircons with ages up to 4.4Ga, the oldest known crustal materials on Earth, and monazites up to 3.6Ga. In this study, we have investigated 147 Sm– 143 Nd systematics of detrital and metamorphic monazites from these metasedimentary rocks using laser ablation-multicollector-inductively...
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