![]() ![]() The American Civil War is acknowledged, but the strength of a reunited country concludes the message, with Sandi Patti singing the Star Spangled Banner. The colorful lightshow of lasers project moving images of the Deep South as well as Georgia history onto the Confederate Memorial carving on the side of the mountain. On summer evenings the mountain hosts the Stone Mountain Laser Show Spectacular, which uses popular and classic music to entertain park guests with a large fireworks and laser light display. The Park features several attractions that are operated by Herschend Family Entertainment Corporation. The mountain's composition was described by one political commentator and used as such as a simile for racial segregation in the 1950s as soft, exfoliating rock turns to dust under the hammer. This vein of granite also gave rise to Arabia Mountain and Panola Mountain in DeKalb County, smaller outcroppings further east of Stone Mountain. Over time, erosion eventually exposed the present mountain of more resistant igneous rock, in processes similar to those that have exposed Devils Tower in Wyoming. The granite intruded into the metamorphic rocks of the Piedmont region during the last stages of the Alleghenian Orogeny, which was the time when North America and North Africa collided. Embedded in the granite are xenoliths or pieces of foreign rocks entrained in the magma. The tourmaline is mostly black in color, and the majority of it exists as optically continuous skeletal crystals, but much larger, euhedral pegmatitic tourmaline crystals can also be found in the mountain's numerous, cross-cutting felsic dikes. The granite is composed of quartz, plagioclase feldspar, microcline and muscovite, with smaller amounts of biotite and tourmaline. Stone Mountain, though often called a pink granite dome, actually ranges in composition from quartz monzonite to granite and granodiorite. This misnomer is most likely a result of advertisement by granite companies and early park administration. Numerous reference books and Georgia literature have dubbed Stone Mountain as the largest exposed piece of granite in the world. ![]() Stone Mountain granite extends underground 9 miles (14 km) at its longest point into Gwinnett County. This magma solidified to form granite within the crust five to ten miles below the surface. It formed as a result of the upwelling of magma from within the Earth's crust. Primarily composed of quartz monzonite, the dome of Stone Mountain was formed during the formation of the Blue Ridge Mountains, part of the Appalachian Mountains. Stone Mountain is a pluton, a type of igneous intrusion. The summit of the mountain can be reached by a walk-up trail on the west side of the mountain only, or by the Skyride aerial tram. ![]() Stone Mountain is more than 5 miles (8.0 km) in circumference at its base, and is surrounded by the Stone Mountain Park. The carving depicts three figures of the Confederate States of America: Stonewall Jackson, Robert E. Stone Mountain is well-known not only for its geology, but also for the enormous bas-relief on its north face, the largest bas-relief in the world. At its summit, the elevation is 1,686 feet (514 m) MSL and 825 feet (251 m) above the surrounding area. Stone Mountain, is a quartz monzonite dome monadnock in Stone Mountain, Georgia, United States. Stone Mountain Park, Stone Mountain, Georgia, United States, North America ![]()
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