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  G-Chron 2019 – Round 1: An International Proficiency Test for U-Pb Geochronology Laboratories; Report on the 2019 Round of G-Chron based on Palaeozoic Zircon Rak-17 (Distribution: September 2019)

Webb, P., Wiedenbeck, M., Glodny, J. (2020): G-Chron 2019 – Round 1: An International Proficiency Test for U-Pb Geochronology Laboratories; Report on the 2019 Round of G-Chron based on Palaeozoic Zircon Rak-17 (Distribution: September 2019), (Scientific Technical Report STR - Data ; 21/06), Potsdam : GFZ German Research Centre for Geosciences, 8 p.
https://doi.org/10.48440/GFZ.B103-21061

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https://doi.org/10.5880/GFZ.3.1.2021.005 (Ergänzendes Material)
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The data described in this report are published as Webb, Peter; Wiedenbeck, Michael; Glodny, Johannes (2021): Survey questions and responses to the G-Chron 2019 proficiency test. GFZ Data Services. https://doi.org/10.5880/GFZ.3.1.2021.005

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 Urheber:
Webb, Peter1, Autor
Wiedenbeck, Michael1, 2, Autor              
Glodny, J.1, 2, Autor              
Affiliations:
1Scientific Technical Report STR Data, Deutsches GeoForschungsZentrum, ou_24017              
23.1 Inorganic and Isotope Geochemistry, 3.0 Geochemistry, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum, ou_146040              

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 Zusammenfassung: Proficiency testing (PT) is one of the few ways for an analytical laboratory to assess data quality under routine operating conditions. Here we report the results of Round 1 of the G-Chron PT programme, which is sponsored by the International Association of Geoanalysts. G-Chron is the first PT scheme devoted to the U-Th-Pb dating of mineral phases, primarily zircon, in geological materials. In this first round of G-Chron a total of 72 geochronology laboratories received the test material “Rak-17”, which previously had been characterized by seven well-established isotope dilution TIMS laboratories. A total of 63 of the PT participating laboratories reported data by the 15 December 2019 deadline. Here we both report and assess the measurement results submitted to this round. Our analysis provides a means for participating laboratories to assess their individual performance in relation to the isotope ages assigned, the experimental fitness-for-purpose criteria proposed by the scheme’s organisers and the results of similar laboratories participating in this round.

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Sprache(n): eng - Englisch
 Datum: 2020
 Publikationsstatus: Final veröffentlicht
 Seiten: 8
 Ort, Verlag, Ausgabe: Potsdam : GFZ German Research Centre for Geosciences, 21/06
 Inhaltsverzeichnis: -
 Art der Begutachtung: -
 Identifikatoren: DOI: 10.48440/GFZ.B103-21061
URN: urn:nbn:de:kobv:b103-21061
 Art des Abschluß: -

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Titel: Scientific Technical Report STR - Data
Genre der Quelle: Reihe
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Affiliations:
Ort, Verlag, Ausgabe: Potsdam : GFZ German Research Centre for Geosciences
Seiten: - Band / Heft: 21/06 Artikelnummer: - Start- / Endseite: - Identifikator: ISSN: 2190-7110