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Post-depositional remanent magnetization lock-in and the location of the Matuyama-Brunhes geomagnetic reversal boundary in marine and Chinese loess sequences

Liu, Q.S; Roberts, Andrew; Rohling, Eelco J.; Zhu, Rixiang; Sun, Youbin


Bioturbation disturbs detrital magnetic particles after deposition, so accurate recording of the ancient geomagnetic field in bioturbated sediments is widely attributed to acquisition of a post-depositional remanent magnetization (PDRM) whereby the geomagnetic field exerts a torque on a magnetic particle and aligns it with the field after the final mixing event experienced by the particle. The relationship between the Matuyama-Brunhes boundary (MBB) and oxygen isotope age tie points in marine...[Show more]

CollectionsANU Research Publications
Date published: 2008
Type: Journal article
Source: Earth and Planetary Science Letters
DOI: 10.1016/j.epsl.2008.08.004


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