The average composition of rocks composing a large composite cone is similar to which magma?
A) andesitic
B) ultramafic
C) mafic
D) felsic

Question

Quizplus · Accepted Answer

Andesitic magma is typically associated with large composite cones (also known as stratovolcanoes). These volcanoes are characterized by a mixture of explosive activity and lava flows, with magma that has an intermediate composition between mafic and felsic, known as andesitic.

The Average Composition of Rocks Composing a Large Composite Cone