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The application of SHRIMP to Phanerozoic geochronology: a critical appraisal of four zircon standards

Black, Lance; Kamo, Sandra L; Williams, Ian; Mundil, Roland; Davis, Donald; Korsch, Russell J; Foudoulis, Chris


Derivation of Phanerozoic zircon206Pb/238U ages by SHRIMP depends on calibration against an independently dated standard. The qualities of four different zircon standards (SL13, QGNG, AS3 and TEMORA 1) are assessed herein. Not all of these behave consistently on SHRIMP with respect to their ages as determined by IDTIMS. SL13, the most commonly used standard over the past decade and a half, is the most heterogeneous in Pb/U. In addition, when SL13 is used as the calibration standard, the varied...[Show more]

CollectionsANU Research Publications
Date published: 2003
Type: Journal article
Source: Chemical Geology
DOI: 10.1016/S0009-2541(03)00166-9


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