The age of oceanic crust is a nice map of the world's divergent plate boundaries. As the plates move apart, magma rises from the mantle, creating new crust.
Apr 4, 2026 · 7:18 PM UTC
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Finally. Showing the age of oceanic crust alongside volcanoes in East Asia shows the subduction boundary where the oceanic Pacific Plate and Philippine Sea Plate subduct (dive) beneath the continental Eurasian Plate.
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Ultimately, I am not a geographer so this may all be wrong but I do enjoy making textbook grade visuals.
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