Geologists regard basaltic magma (Hawaiian lava, for example) as the result of the partial melting of ultramafic rock in the ____.
A) oceanic crust
B) continental crust
C) mantle
D) outer core
E) inner core

Question

Quizplus · Accepted Answer

Geologists believe that basaltic magma is the result of partial melting of ultramafic rock in the mantle, specifically in the upper part of the mantle known as the asthenosphere.

Geologists Regard Basaltic Magma (Hawaiian Lava, for Example) as the Result