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(Solved): 13) What is the average mid-ocean ridge spreading half-rate at the Mid-Atlantic ridge over the past ...
13) What is the average mid-ocean ridge spreading half-rate at the Mid-Atlantic ridge over the past 10 million years? Use the diagram below and give your answer in \( \mathrm{cm} / \mathrm{yr} \). \( \mathrm{R}=\mathrm{D} / \mathrm{T} 1 \mathrm{~km}=100,000 \mathrm{~cm} \) 2 to \( 5 \overline{\mathrm{cm}} \) per year
15) Below is a map of the Juan de Fuca Ridge showing linear magnetic anomalies and the Pacific coast of North America. What is the rate of sea floor spreading over the past 8 million years?