Quartz-pebble-conglomerate gold deposits: Chapter P in Mineral deposit models for resource assessment

First posted May 17, 2018 For additional information, contact: Director, Geology, Geophysics, and Geochemistry Science CenterU.S. Geological Survey Box 25046, MS–973Denver, CO 80225 Quartz-pebble-conglomerate gold deposits represent the largest repository of gold on Earth, largely due to the deposits of the Witwatersrand Basin, which account for nearly 40 percent of the total gold produced throughout Earth’s history. This deposit type has had a...