The volcanic islands visible here formed as a result of a mantle plume.Researchers working on these volcanic islands have collected basalt samples for potassium-argon dating to determine when these islands formed Volcanic Island A has been dated to 7.6 million years ago.Volcanic Island C dates back to 3.4 million years ago and is 200 km away from A.Using the equation Rate = Distance/Time, calculate the rate of plate motion for this region.
A) 4.2 km/million years
B) 47.6 km/million years
C) 102.3 km/million years
D) 26.3 km/million years
Correct Answer:
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