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. This article is about the mountain in the U.S. state of Georgia. For the city of the same name, see Stone Mountain, Georgia. For other uses, see Stone Mountain (disambiguation). Stone Mountain is a quartz monzonite dome monadnock and the site of Stone Mountain Park in Stone Mountain, Georgia. At its summit, the elevation is 1,686 feet (514 m) MSL and 825 feet (251 m) above the surrounding area.