Multiple Choice
-In the basalt sample depicted above, the vesicles (small spherical cavities) most likely formed by ______.
A) the escape of gas bubbles dissolved in the lava during the eruption
B) the weathering and erosion of olivine crystals after the eruption
C) air bubbles entrained in the flow during the eruption
D) vaporization of seawater during underwater eruption
Correct Answer:
Verified
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