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Geoscience Letters

Official Journal of the Asia Oceania Geosciences Society (AOGS)

Fig. 2 | Geoscience Letters

Fig. 2

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

Fig. 2

(Redrawn from Frank and Nowaczyk (2008))

S-ratio variations for known mixing percentages of hematite (upper axis) and magnetite (lower axis). Values are compared for two versions of the S-ratio expressed in Eqs. (1) and (2) with a 300-mT cut-off field. The large magnetic property difference between magnetite and hematite means that the S-ratio is highly non-linear with respect to hematite content

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