Chiseled into the side of Stone Mountain, a quartz monzonite dome in Georgia that arches nearly 1,700 feet toward the sky, are the likenesses of three Confederate leaders—President Jefferson ...

Highlights. Copper mineralization occurs primarily in Quartz-Kspar-Hematite, Quartz-Hematite, Quartz and Hematite veins hosted in Potassic altered porphyritic quartz monzonite.