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    Detrital zircon dating Without ragistration free chatting

    This paper presents the U-Pb ages of detrital zircons in pelitic schists and quartzite from the Kurosegawa Tectonic Zone, where high-pressure/ low-temperature metamorphic rock (e.g., blueschist) is one of the main constituents.

    Une comparaison inter-laboratoires de datation U-Pb d'échantillons de zircons détritiques de synthèse par les méthodes d'ablation laser ICP-MS et SIMS donne un aperçu de l'état de l'art des études de provenance sédimentaire.

    TY - JOURT1 - U-Pb detrital zircon analysis - results of an inter-laboratory comparison AU - Košler, Jan AU - Sláma, JiříAU - Belousova, Elena AU - Corfu, Fernando AU - Gehrels, George E. Here, we report results obtained from ten laboratories that routinely perform this type of work.

    AU - Gerdes, Axel AU - Horstwood, Matthew S AAU - Sircombe, Keith N. The achieved level of bias was mostly within ± 2% relative to the ID-TIMS U-Pb ages of zircons in the detrital sample, and the variation is likely to be attributed to variable Pb/U elemental fractionation due to zircon matrix differences between the samples and the reference materials used for standardisation.

    L'expérience confirme les estimations précédemment publiées sur le nombre minimum de grains qui doivent être analysés afin de détecter les populations mineures d'âge de zircons dans les échantillons détritiques.

    AB - Inter-laboratory comparison of laser ablation ICP-MS and SIMS U-Pb dating of synthetic detrital zircon samples provides an insight into the state-of-the art of sedimentary provenance studies.

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