The light material appears to have eroded away from the surrounding area, indicating a very low-density composition, possibly consistent with volcanic ash or windblown dust.

• 浅颜色的物质被侵蚀后看上去与周围地区不同，这就表明了它是一种密度非常低的合成物，很可能是由火山灰或风化了的粉尘形成。