Volcanic Rock Formed by Cooled Lava
This page is the CodyCross answer for the clue below from Greece, Group 670, Puzzle 5 (Small Tavernas).
Question is: Volcanic Rock Formed by Cooled Lava
and the answer is: 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.