Most Common Type of Volcanic Rock
This page is the CodyCross answer for the clue below from Performing Arts, Group 882, Puzzle 2 (Multiple Acts).
Question
Most Common Type of Volcanic Rock
Answer
BASALT
Word Meaning:
BASALT — (mineralogy) A hard mafic igneous rock of varied mineral content; volcanic in origin, which makes up much of the Earth's oceanic crust.
Definitions from Wiktionary.