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Earth, Planets and Space
Fig. 4 | Earth, Planets and Space

Fig. 4

From: Geomagnetic relative paleointensity and direction during the last 40,000 years obtained from a sediment core in the Nankai Trough

Fig. 4

(Left) Examples of the results of stepwise alternating-field (AF) demagnetization of natural remanent magnetization (NRM). Open (solid) circles are the projection of vector end points on the vertical (horizontal) plane. Numbers attached to the data points are peak AF in mT. Gray data points were not used for calculation of characteristic remanent magnetization directions. The cores are not azimuthally oriented. (Right) Relative paleointensity estimations of corresponding samples from best-fitting slopes on the diagrams plotting a pair of NRM and anhysteretic remanent magnetization (ARM) intensities for each AF demagnetization step. Numbers attached to the data points are peak AF in mT. Gray data points were not used for calculation of best-fitting slopes

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