An igneous rock is composed primarily of quartz and feldspar. what type of magma most likely formed this rock?

1. volcanic
2. mafic
3. plutonic
4. felsic

4. Felsic

Explanation:

This is a felsic magma.

A felsic magma has high content of silicate minerals. Quartz and feldspar are silicate minerals with a high content of silica in them. Magma with such a rich composition of quartz and feldspar is known as a felsic magma.

A mafic magma is one with low silica content.

here is table 2-2:

country

percent of eligible voters that voted

rank

united states

44.9%

138

canada

60.1%

107

costa rica

84.6%

14

hungary

66.9%

82

japan

57.0%

118

egypt

27.7%

159

south africa

85.5%

10

ans is no, the data set cannot be plotted as a single circle graph