Rhyolitic refers to a type of volcanic rock that is rich in silica, typically containing over 70% silica content. It is known for its light color, often appearing in shades of gray, pink, or white. Rhyolite forms from the rapid cooling of lava that is high in gas content, leading to a fine-grained texture. This rock is commonly associated with explosive volcanic eruptions, such as those that occur at supervolcanoes or calderas. Rhyolitic eruptions can produce pumice and ash, which can spread over large areas, impacting the environment and climate.