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damaskus [11]
3 years ago
7

Which is a fine-grained igneous rock made up primarily of pyroxene and plagioclase feldspar?

Biology
1 answer:
MissTica3 years ago
8 0
A. Basalt

Basalt is a fine-grained, dark-colored extrusive igneous rock composed mainly of plagioclase and pyroxene. The specimen shown is about two inches (five centimeters) across. Diorite is a coarse-grained, intrusive igneous rock that contains a mixture of feldspar, pyroxene, hornblende, and sometimes quartz.
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