Refer to Figure 4.1 to answer this question.What is the approximate ratio between the average spreading rates over the past 52 millions years for the East Pacific Rise at the Equator relative to the Mid-Atlantic Ridge at 30˚S?If the average spreading rate in the Atlantic was 2cmyr-1 over this period, what was it for the East Pacific Rise?Figure 4. 1. The age of the seafloor across the ocean basins. Age boundaries are drawn at 2, 4, 9, 20, 35, 52, 65, 80, 95, 110, 120, 140 and 160 million year intervals in a color scheme that runs from red (youngest) through yellow to green and finally blue (oldest). 60'S90°E120 W60 E90″W60Years

The East Pacific Ascent and the Mid-Atlantic Edge have been spreading at somewhat steady rates over…

Answered: Refer to Figure 4.1 to answer this…

Applications and Investigations in Earth Science (9th Edition)

9th Edition

ISBN:9780134746241

Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa

Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa

Chapter1: The Study Of Minerals

Section: Chapter Questions

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Refer to Figure 4.1 to answer this question.
1. What is the approximate ratio between the average spreading rates over the past 52 millions years for the East Pacific Rise at the Equator relative to the Mid-Atlantic Ridge at 30˚S?
2. If the average spreading rate in the Atlantic was 2cmyr^-1 over this period, what was it for the East Pacific Rise?

Figure 4. 1. The age of the seafloor across the ocean basins. Age boundaries are drawn at 2, 4, 9, 20, 35, 52, 65, 80, 95, 110, 120, 140 and 160 million year intervals in a color scheme that runs from red (youngest) through yellow to green and finally blue (oldest).