Multiple Choice
Which two minerals define a felsic composition?
A) Pyroxene and amphibole
B) Muscovite and biotite micas
C) Quartz and potassium feldspar
D) Plagioclase feldspar and biotite mica
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q66: A _ is a mushroom-shaped pluton that
Q67: In the process of a magma cooling
Q68: Welded tuff consists of ash surrounding large,
Q69: What is the name of the preexisting
Q70: What was the rate of cooling and
Q71: What are two ways a primary magma
Q72: How will mantle-derived magma change when it
Q73: Concordant plutons cut across existing structures while
Q75: Which mineral group makes up most igneous
Q76: A _ is a tabular, concordant pluton