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The Geomagnetic Field during Palaeozoic Time
1980
Journal of geomagnetism and geoelectricity
The Palaeozoic reversal sequence is represented by complex rhythms with characteristic times of (5-7) x 10', (1-4) x 10' and (1-2) x 106 y. The first order units recognized are Arginian (R) 590-535 m.y., Siberian (Rn) 535-485 m.y., Baikalian (Nr) 485-430 m.y., Sayanian (Rn) 430-360 m.y., Donetsk (Rn) 360-300 m.y., Kiaman (R) 300-240 m.y., and Illawarra (NR) 240-215 m.y.
doi:10.5636/jgg.32.supplement3_siii99
fatcat:npvwvqq3c5d4rls3fiw6wzwl6y