volcano activity
Explosive volcanic eruptions. Composition & Appearance: It is light in color, often gray, bluish-gray, or pink, and primarily composed of quartz, K-feldspar, and biotite. Its fine-grained texture means the crystals are often too small to be seen without magnification. Properties: Rhyolite is a hard rock with a high silica content (69% or more), giving it its light color. Uses: Due to its hardness and other properties, rhyolite is used in various industries, including construction (as aggregate and for roofing shingles), landscaping, and even jewelry. Occurrence: It is found in areas with volcanic activity and can form features like lava domes or be found as rounded pebbles on beaches due to erosion and transportation.