Oceanic crust is formed at convergent plate boundaries, mid-ocean ridges, subduction zones, and lithospheric boundaries.
Added by David A.
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This process occurs at the boundaries between tectonic plates, where two plates are moving away from each other. These boundaries are called divergent plate boundaries. Mid-ocean ridges are underwater mountain ranges that form at divergent plate boundaries, where Show more…
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Madhur L.
How are mid-ocean ridges formed at divergent tectonic plates? The plates are moving in a zigzag formation, creating shallow earthquakes which form a mid-ocean ridge. Mid-ocean ridges are not resulting features of ocean-to-ocean divergent boundary zones. The plates are moving towards each other, which causes the crust to buckle and push upwards or sideways, forming a mid-ocean ridge. The stretching lithosphere is pushed up as the plates move apart.
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