A DARK VOLCANIC ROCK Crossword Clue
A DARK VOLCANIC ROCK Crossword Clue
We know 1 solutions for: A DARK VOLCANIC ROCK
Crossword Puzzle Infos
A dark volcanic rock is a type of igneous rock known as BASALT. BASALT is formed when molten lava cools and solidifies, usually from a volcanic eruption. It is composed of minerals such as plagioclase, pyroxene, and olivine. BASALT is dark in color due to its high iron and magnesium content. It is also very dense and hard, making it a popular choice for construction and landscaping projects.