Question: The distance between magnetic anomalies number 12 (34 Ma) and 23 (52 Ma) on a single oceanic plate is 810 km. What is the time-averaged

The distance between magnetic anomalies number 12 (34 Ma) and 23 (52 Ma) on a single oceanic plate is 810 km. What is the time-averaged rate of spreading across the ridge during this interval? (Consider the symmetry of marine magnetic anomalies.)

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The timeaveraged rate of spreading across the midocean ridge during this interval is 225 kilometers ... View full answer

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