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Hematite (a-Fe2O3) quantification in sedimentary magnetism: limitations of existing proxies and ways forward

Roberts, Andrew P.; zhao, xiang; Heslop, David; Abrajevitch, Alexandra; Chen, Yen-Hua; HU, PENGXIANG; Jiang, Zhaoxia; Liu, Qingsong; Pillans, Bradley

Description

Determination of hematite contributions to sedimentary magnetizations is an important but difficult task in quantitative environmental studies. The poorly crystalline and fine-grained nature of hematite nanoparticles makes quantification of their concentrations in natural environments challenging using mineralogical and spectroscopic methods, while the weak magnetization of hematite and often significant superparamagnetic nanoparticle concentrations make quantification difficult using magnetic...[Show more]

CollectionsANU Research Publications
Date published: 2020
Type: Journal article
URI: http://hdl.handle.net/1885/261659
Source: Geoscience Letters
DOI: 10.1186/s40562-020-00157-5
Access Rights: Open Access

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