Multiple Choice
What does this welded texture indicate about the formation of this rock?
A) It formed from an explosive pyroclastic eruption.
B) The rock solidified at great depth.
C) The magma formed some crystals before rising closer to the surface and solidifying.
D) The magma had abundant dissolved gas.
Correct Answer:

Verified
Correct Answer:
Verified
Q2: At which of the sites shown in
Q3: Which of the following photographs depicts an
Q4: What texture is displayed by the igneous
Q5: Which of the following igneous rocks would
Q6: For the letters on this figure, choose
Q7: An ophiolite is identical to:<br>A) a newly
Q8: Which of the following changes in conditions
Q9: Most subduction-derived magma never reaches the surface.
Q10: Which letter in this classification table indicates
Q11: What does the texture of this rock