The primary occurrence of the rock-forming minerals olivine, pyroxene, and amphibole is:
A) igneous rocks.
B) metamorphic rocks.
C) sedimentary rocks.
D) A and B
E) all rock types

Question

Quizplus · Accepted Answer

Olivine, pyroxene, and amphibole are primarily found in igneous and metamorphic rocks. These minerals form under the conditions of high temperature and pressure that are characteristic of these rock types.

The Primary Occurrence of the Rock-Forming Minerals Olivine, Pyroxene, and Amphibole