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 ...

The recent sampling returned significant copper mineralization ranging from 1,620 to 27,200 ppm in granodiorite, quartz diorite and quartz monzonite intrusive phases of the Mineral Mountain intrusive.

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

The 250-meter-high mountain of quartz monzonite bears the largest bas-relief carving in the world, featuring the likenesses of Confederacy President Jefferson Davis and Confederate Generals Robert ...