Mineral Resource of the Month
The "Mineral Resource of the Month" column, featuring the work of USGS mineral commodity specialists, first appeared in the American Geological Institute’s (AGI) Geotimes in August 2002. The articles, as they originally appeared in Geotimes, are now available with permission of AGI. The column “Mineral Resource of the Month” now appears in the new AGI magazine Earth at http://www.earthmagazine.org/. For more information about these and other mineral commodities, visit the USGS Commodity Statistics and Information Web site.