1. Smelting By:, Ornchhee Cheng, Sothea Peterson, Junmin Yee, Boris Huoth

2. A Singular Story 8000 years ago Prehistory began Tin and lead Copper and bronze Early iron smelting Late iron smelting Silver and gold Aluminum Roasting Reduction Fluxes Products

3. Elements and Minerals Gold Silver Iron Copper Tin Lead Currency Bronze

4. Smelting: The Process Roasting Reduction Fluxes Products

5. Benefits

6. Limitations

7. Implications

8. Bibliography "Iron ore - Wikipedia, the free encyclopedia." Wikipedia, the free encyclopedia. N.p., n.d. Web. 3 Sept. 2012.. "Slag - Wikipedia, the free encyclopedia." Wikipedia, the free encyclopedia. N.p., n.d. Web. 3 Sept. 2012.. "Smelting Ore & Metals." Survival & Self-Reliance Studies Institute Home Page. N.p., n.d. Web. 3 Sept. 2012.. "Smelting and Roasting Ores to recover gold, silver and other metals." Nevada Outback Gems: Natural Nevada Turquoise Jewelry in Silver and Gold, tourmaline, tanzanite. N.p., n.d. Web. 3 Sept. 2012.. "Zinc Production Process | Zinc Mining | Hydrometallurgical Process | Pyrometallurgical Process | IZA." Zinc | Zinc Benefits, Uses, Facts, Events & Programs | IZA | International Zinc Association. N.p., n.d. Web. 3 Sept. 2012.. tin, combining copper with. "Smelting - Wikipedia, the free encyclopedia." Wikipedia, the free encyclopedia. N.p., n.d. Web. 3 Sept. 2012..