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Earth, Planets and Space
Fig. 14 | Earth, Planets and Space

Fig. 14

From: Matuyama–Brunhes geomagnetic reversal record and associated key tephra layers in Boso Peninsula: extraction of primary magnetization of geomagnetic fields from mixed magnetic minerals of depositional, diagenesis, and weathering processes

Fig. 14

Paleomagnetic results of combined analyses (Additional file 7: Table S2) plotted versus level above or below the Byk-E key tephra layer (corrected for the slope of the outcrop) together with various rock magnetic parameters. From left to right, a NRM intensity, b declination, c inclination, d VGP latitude, e relative paleointensity, f kLF (solid circles) and kARM (solid triangles) g kARM / kLF, h Sratio (S−0.1 T and S−0.3 T shown by solid circles and solid triangles, respectively). Black symbols are the results for the 1st sampling and the blue ones are those for the 2nd sampling (Block G in Additional file 3: Figures S3(c) and S4(e)). In b–d, reliability categories are expressed by the size of the symbol (the largest is the most reliable category ‘3’). Horizontal pink lines are tephra layers, which correspond to tephra A, Byk-E tephra, and tephra C from top to bottom, respectively

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