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Variable remanence acquisition efficiency in sediments containing biogenic and detrital magnetites: Implications for relative paleointensity signal recording

Ouyang, Tingping; Heslop, David; Roberts, Andrew; Tian, Chengjing; Zhu, Zhaoyu; Qiu, Yan; Peng, Xuechao


Widespread geological preservation of biogenic magnetite makes it important to assess how such particles contribute to sedimentary paleomagnetic signals. We studied a sediment core from the South China Sea that passes the strict empirical criteria for magnetic "uniformity" used in relative paleointensity studies. Such assessments are based routinely on bulk magnetic parameters that often fail to enable identification of mixed magnetic mineral assemblages. Using techniques that enable...[Show more]

CollectionsANU Research Publications
Date published: 2014
Type: Journal article
Source: Geochemistry, Geophysics, Geosystems. G3
DOI: 10.1002/2014GC005301
Access Rights: Open Access


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