This preview shows pages 1–3. Sign up to view the full content.
This preview has intentionally blurred sections. Sign up to view the full version.View Full Document
Unformatted text preview: deep as 670 km deep earthquakes are different than surface earthquakes. Different from San Andreas earthquakes Earthquakes associated with Convergent plate margins Why melting occurs during subduction? The cold subducting plate sinking in subduction zones releases water into the overlying mantle, causing mantle melting and fractionating of elements between surface and deep mantle reservoirs, producing island arcs and continental crust 03:16 03:16...
View Full Document
This note was uploaded on 10/06/2010 for the course GEOL 240Lxg at USC.