Castilla Y León PAU Geology And Environmental Sciences Practice Questions - Castilla Y León PAU Geology And Environmental Sciences Exam (Geología Y Ciencias Ambientales) Exam

In an oceanic-continental subduction zone, why does the oceanic plate subduct beneath the continental plate?

Oceanic lithosphere is denser and thinner than continental lithosphere. Oceanic lithosphere is less dense and thicker than continental lithosphere. Continental lithosphere contains higher proportions of iron and magnesium silicates. Oceanic lithosphere is preserved from subduction by high geothermal gradients.

Correct Answer:

Oceanic lithosphere is denser and thinner than continental lithosphere.

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