What does the presence of pillow lavas indicate about the geological processes at mid-ocean ridges?

Understand the Problem

The question is asking us to explain the significance of pillow lavas in understanding geological processes at mid-ocean ridges, particularly in relation to the eruption of molten material.

Answer

Pillow lavas indicate submarine volcanic activity and new oceanic crust formation at mid-ocean ridges.

The presence of pillow lavas indicates past or present submarine volcanic activity at mid-ocean ridges where new oceanic crust is forming due to diverging tectonic plates.

Answer for screen readers

The presence of pillow lavas indicates past or present submarine volcanic activity at mid-ocean ridges where new oceanic crust is forming due to diverging tectonic plates.

More Information

Pillow lavas are formed underwater during volcanic eruptions, when lava extrudes and cools rapidly in contact with water. This process is common at mid-ocean ridges where tectonic plates diverge.

Tips

Misunderstanding the environment in which pillow lavas form can lead to incorrect interpretations of their presence.

Sources

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