Which of these textures help geologists determine if a rock is volcanic in origin?
A) Pegmatitic
B) Aphanitic
C) Porphyritic
D) Phaneritic
Correct Answer:
Verified
Q2: Which of these textures help geologists determine
Q3: Which of the following substances is not
Q4: What three components make up most magmas?
A)Silicon,
Q5: What is the term used to describe
Q6: Which of the following minerals is not
Q8: Which two minerals define a felsic composition?
A)Pyroxene
Q9: Which of the following statements best describes
Q10: Which igneous texture has visible crystals that
Q11: What is a volatile?
A)A hostile person
B)Solid mineral
Q12: What substance makes ion migration easier in
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