Box vents are not mechanical vents and work better when used with soffit ventilation. They're designed to work with open attics and do not need to be placed close to roof ridges to work optimally. They are also known as low profile vents because they are static and installed over a hole cut into the roof.
Stone Mountain is made of igneous granite which is composed of quartz, feldspar, microcline and muscovite, with smaller amounts of biotite and tourmaline. Embedded in the gran â¦ ite are xenoliths or pieces of foreign rocks entrained in the magma. 13 people found this useful. T.E. Woodwose.
Stone Mountain, located in DeKalb County about ten miles northeast of downtown Atlanta, is the largest exposed mass of granite in the world. A town at the base of the mountain bears the same name. Before 1800, Native Americans used the mountain as a meeting and ceremonial place. Stone Mountain emerged as a major tourist resort in the 1850s, attracting residents of nearby Atlanta and other cities.