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New SHRIMP zircon ages from tuffs within the British Palaeozoic stratotypes

Compston, William; Gallagher, K.

Description

Two different approaches to deconvolving mixed age populations resolve SIMS ages within the TEMORA reference zircon into a small slightly older group and a large group that is well fitted within the calculated age uncertainties. We discard the older group as spurious rather than increase the uncertainties to try to obtain a (statistically) single propulation. This approach minimizes errors in the sample component ages and allows more reliable detection of potentially real age differences. The...[Show more]

CollectionsANU Research Publications
Date published: 2012
Type: Journal article
URI: http://hdl.handle.net/1885/61602
Source: Gondwana Research
DOI: 10.1016/j.gr.2011.11.010

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