Author Question: Studies of the chemistry of rocks from arc volcanoes indicate the main source of the magma is ________. (Read 23 times)

anshika · **on:** Feb 28, 2020

Question 1

Granitic batholiths typically form over time intervals of ________. These are normally formed below the surface of the earth.
◦ tens of thousands of years
◦ hundreds of thousands of years
◦ billions of years
◦ millions of years

Question 2

Studies of the chemistry of rocks from arc volcanoes indicate the main source of the magma is ________.
◦ melting of subducted oceanic crust
◦ melting of the asthenosphere above the subducting oceanic plate by frictional heating on the subduction interface
◦ melting of the subducted mantle lithosphere
◦ melting of the asthenosphere above the subducting oceanic plate by fluids acting as a flux to enhance melting

Joy Chen · **Reply #1 on:** Feb 28, 2020

A FREE account is required to view all solutions!

Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.

Answer Preview

Only 50% of students answer this correctly