Glossary: Rhyolite
A fine-grained volcanic igneous rock usually light in color. Rhyolites commonly contain high amounts of silica, and low amounts of iron and magenesium. The fine-grained nature is a result of rapid cooling at the surface of Earth.
A fine-grained volcanic igneous rock usually light in color. Rhyolites commonly contain high amounts of silica, and low amounts of iron and magenesium. The fine-grained nature is a result of rapid cooling at the surface of Earth.