Multiple Choice
What is the sequence of crystallization along the discontinuous branch of Bowen's reaction series?
A) sodium-rich to calcium-rich plagioclase
B) quartz, potassium feldspar, biotite
C) silicic, felsic, mafic, intermediate
D) olivine, pyroxene, amphibole, biotite
E) framework, double chain, single chain, sheet, isolated
Correct Answer:
Verified
Correct Answer:
Verified
Q1: The sequence in which minerals crystallize in
Q3: A pluton is an igneous structure that
Q4: Mineralogically and chemically equivalent rocks are _
Q5: _ are fragments of country rock that
Q6: The first plagioclase crystals to form as
Q7: Igneous rock names are based on grain
Q8: A _ is an intrusive structure that
Q9: Igneous rocks that are silica-rich with high
Q10: On its slow journey through the crust,
Q11: _ is a coarse-grained igneous rock (grains