Dating of tsunami boulders from Ishigaki Island, Japan, with a modified viscous remanent magnetization approach
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Sato, Tetsuro; Nakamura, Norihiro; Goto, Kazuhisa; Kumagai, Yuho; Nagahama, Hiroyuki; Minoura, Koji; Zhao, Xiang; Heslop, David; Roberts, Andrew P.
Description
Reworked boulders are expected to acquire a viscous remanent magnetization (VRM) approximately parallel to Earth's modern magnetic field. The magnitude of such a VRM depends on several factors, including the time since reworking and ambient temperature, for which there are well-known theoretical relationships. VRM unblocking temperature can, therefore, be a powerful tool for determining the reworking age of boulders and can be used to assess the timing of geological hazards such as landslides...[Show more]
Collections | ANU Research Publications |
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Date published: | 2019 |
Type: | Journal article |
URI: | http://hdl.handle.net/1885/202114 |
Source: | Earth and Planetary Science Letters |
DOI: | 10.1016/j.epsl.2019.05.028 |
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01_Sato_Dating_of_tsunami_boulders_2019.pdf | 4.31 MB | Adobe PDF | Request a copy |
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