Kvemo Bolnisi: A 3000-Year-Old Copper Workshop Reinterpreted The Kvemo Bolnisi site in southern Georgia houses a 3,000-year-old metallurgical workshop that has long intrigued archaeologists. When excavations began in the 1950s, piles of hematite (an iron oxide mineral) and slag led researchers to label Kvemo Bolnisi as an early iron-smelting site. New research, however, challenges that…