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Assessment of errors in SIMS zircon U-Pb geochronology using a natural zircon standard and NIST SRM 610 glass

Stern , Richard A.; Amelin, Yuri

Description

Analytical errors calculated for individual spot206Pb/238U measurements of zircon analyzed using high mass resolution secondary ion mass spectrometry (HR-SIMS, e.g., SHRIMP II) were assessed using natural zircon (z6266) and synthetic glass standards (NIST SRM 610). Evidence for U/Pb homogeneity of these materials includes new thermal ionization mass spectrometry (TIMS) U-Pb analyses of 22 fragments of z6266 zircon from two laboratories, which are identical within error and yield a weighted...[Show more]

CollectionsANU Research Publications
Date published: 2003
Type: Journal article
URI: http://hdl.handle.net/1885/38068
Source: Chemical Geology
DOI: 10.1016/S0009-2541(02)00320-0

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