PHSC 211 Chapter 2 Quiz – Liberty University | Elements of Earth Science

PHSC 211 Chapter 2 Quiz (Fall 2021)– Liberty University (A grade) 1. What mineral composition is most characteristic of felsic rocks? a. olivine, pyroxene, and calcium-rich plagioclase b. orthoclase, quartz, and biotite c. calcium-rich plagioclase and hornblende with some olivine d. particles of volcanic ash welded together 2. What mineral composition is most characteristic of mafic rocks? a. olivine, pyroxene, and calcium-rich plagioclase b. orthoclase, quartz, and biotite c. sodium-rich plag...