• "Volcanic Mineral Deposits" - Volcano World
  This site contains information and images pertaining to volcanic mineral deposits, including bauxite (aluminum), diamonds, gold, nickel, and more. Also includes suggestions for obtaining more information.
• "The Plus Side of Volcanoes - Mineral Resources" - USGS Cascades Volcano Observatory
  Site briefly reviews the formation of metallic mineral deposits during volcanic activity.
• "Potential for New Nickel-Copper Sulfide Deposits in the Lake Superior Region" - USGS
  Reviews how Ni-Cu deposits are formed, why they are important, and how scientists are evaluating the potential usefulness of the deposits in the Lake Superior Region.
• "The 1996 Estimate of Undiscovered Gold, Silver, Copper, Lead, and Zinc Remaining in the United States" - USGS
• Fast Facts about Minerals - National Mining Association
  Interesting facts about minerals and mining in the United States.
• "USGS Minerals Information - Commodity and Statistic Information" - USGS
  Click on the mineral commodity of interest to learn more about its use and recovery.

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• Copy of your state mineral resource map
  • USGS State Minerals Statistics and Information

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• "It's Time to Know the Planet's Mineral Resources" - J. A. Briskey, et al., 2001, Geotimes
  Online article reviews world mineral resources. Includes color maps.

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