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Thermal fluctuation fields in basalts

Muxworthy, Adrian R; Heslop, David; Michalk, Daniel


The thermal fluctuation field (Hf) is central to thermoremanent acquisition models, which are key to our understanding of the reliability of palaeomagnetic data, however, Hf is poorly quantified for natural systems. We report Hf determinations for a range of basalts, made by measuring rate-dependent hysteresis. The results for the basalts were found to be generally consistent within the space of Hf versus the coercive force HC, i.e., the "Barbier plot", which is characterized by the empirically...[Show more]

CollectionsANU Research Publications
Date published: 2009
Type: Journal article
Source: Earth, Planets and Space


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