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Recurrent Geomagnetic Excursions: A Review for the Brunhes Normal Polarity Chron
Journal of Geography (Chigaku Zasshi)
Until now, a large number of records of geomagnetic excursions have been reported both for volcanic rocks and sedimentary sequences. By straightening up the, extensive excursion records, 23 geomagnetic excursions were identified in total for the Brunhes. Eighteen out of 23 excursions are considered to be reliably determined and dated. Above all, Mono Lake (32-34 ka) , Laschamp (39-41 ka) , Blake ( 115 -122 ka) and Iceland Basin (180-190 ka) are well-documented worldwide excursions. Othersdoi:10.5026/jgeography.114.2_174 fatcat:p7bxqvg3wvabrcf2xlgs522j54