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Assessing the timing of greigite formation and the reliability of the Upper Olduvai polarity transition record from the Crostolo River, Italy

Roberts, Andrew; Jiang, Wei-Teh; Florindo, Fabio; Horng, Chorng-Shern; Laj, Carlo


The Crostolo River section in Italy yielded a detailed record of the Upper Olduvai geomagnetic polarity transition that has been used to support the hypothesis of deep mantle control on the transitional geomagnetic field. The paleomagnetic record is carried by the authigenic iron sulphide, greigite, which was interpreted to have formed shortly after deposition. Our detailed scanning electron microscope investigations indicate the presence of at least 3 generations of pyrite, which usually forms...[Show more]

CollectionsANU Research Publications
Date published: 2005
Type: Journal article
Source: Geophysical Research Letters
DOI: 10.1029/2004GL022137


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