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Figure F12. Composite magnetic stratigraphy at Site 1218. Virtual geomagnetic pole (VGP) latitudes were obtained after partial AF demagnetization of continuous measurements at a peak field of 20 mT. Polarity column shows interpreted zones of normal (black) and reversed (white) magnetization, and gray intervals indicate zones with an uncertain polarity interpretation. A. Top 24 m of Hole 1218B, including cores not oriented with the Tensor tool. B. Early Miocene-Pliocene section. C. Early Oligocene-early Miocene section.
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