Figure F8. Details of isochrons inferred from magnetic anomalies near Site 1256. Gray shading shows normal magnetic polarity, based on digitized reversal boundaries (small circles, after Wilson, 1996). Bold line shows location of Guatemala basin MCS tracklines from the site survey conducted in MarchApril 1999. Anomaly ages: 5A = 12 Ma, 5B = 15 Ma, and 5D = 17 Ma.
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