ASBOG - Association of State Boards of Geology Practice Test
ASBOG - Association of State Boards of Geology Mineralogy and Petrology Questions and Answers 2
What is the Bowen's Reaction Series, and what does it predict about the order of mineral crystallization from a mafic magma?
Select your answer
A
It predicts that minerals crystallize in order of their hardness, with the hardest minerals forming first
B
It describes the sequential crystallization of minerals from a cooling mafic magma, with olivine and Ca-plagioclase forming first, followed by pyroxene, amphibole, biotite, and finally quartz and K-feldspar
C
It describes the sequence of metamorphic reactions in pelitic rocks with increasing temperature and pressure
D
It predicts the alteration sequence of minerals during hydrothermal weathering of granite
Hint