There are three basic types of magma produced in these settings: mafic magma (or lava) - Temperature is 900 to 1200 o C before cooling, and contains less than 55% SiO 2 , it cools to form the mafic minerals olivine, pyroxene, and Ca-plagioclase.
(magma; produced; L:in these settings)
magma
produced
L:in these settings