37 focus areas match these criteria.
| Focus area | Region | States | Mineral Systems | Deposit types | Commodities |
|---|---|---|---|---|---|
| Brooks Range-Northern Foreland Sed Cu | Alaska | Alaska | Basin brine path | Barite (replacement and bedded); Copper (sed-hosted and replacement) | copper; lead; silver; uranium |
| Farewell Terrane | Alaska | Alaska | Basin brine path | Barite (replacement and bedded); Zinc-lead (MVT and sedex) | copper; lead; silver |
| Hartford-Deerfield Mesozoic Basin | Northeast | Connecticut; Massachusetts | Basin brine path | Barite (replacement and bedded); Zinc-lead (MVT and sedex) | copper; lead; silver |
| Central Idaho barite | Northwest | Idaho | Basin brine path | Barite (replacement and bedded); Zinc-lead (MVT and sedex) | copper; lead; silver |
| Kenelty mine | Northwest | Montana | Basin brine path | Barite (replacement and bedded) | gold; silver |
| Klamath Mountains barite | Northwest | California | Basin brine path | Barite (replacement and bedded) | (none) |
| Missoula barite (Elk Creek-Coloma District) | Northwest | Montana | Basin brine path | Barite (replacement and bedded); Zinc-lead (MVT and sedex) | copper; gold; lead; silver |
| North Stevens County barite | Northwest | Washington | Basin brine path | Barite (replacement and bedded) | (none) |
| Sierra Nevada Foothills barite | Northwest | California | Basin brine path | Barite (replacement and bedded) | (none) |
| South Stevens County barite | Northwest | Washington | Basin brine path | Barite (replacement and bedded) | (none) |
| Wet Mountains | Rocky Mountains | Colorado | Magmatic REE | Carbonatite; Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; phosphorus; thorium; vermiculite; uranium; yttrium |
| Central Kentucky Mineral District | South Central | Kentucky | Basin brine path | Barite (replacement and bedded); Zinc-lead (MVT and sedex) | cadmium; calcite; copper; lead; silver |
| Central Missouri Barite-Lead District | South Central | Missouri | Basin brine path | Barite (replacement and bedded); Zinc-lead (MVT and sedex) | copper; lead; silver |
| Fall Branch-Greeneville District | South Central | Tennessee | Basin brine path | Barite (replacement and bedded); Zinc-lead (MVT and sedex) | copper |
| Ouachita barite deposits | South Central | Arkansas | Basin brine path | Barite (replacement and bedded) | (none) |
| Sweetwater Barite District | South Central | Tennessee | Basin brine path | Barite (replacement and bedded); Zinc-lead (MVT and sedex) | cadmium; copper; lead; silver |
| Washington County Barite District | South Central | Missouri | Basin brine path | Barite (replacement and bedded); Zinc-lead (MVT and sedex) | copper; lead; silver |
| Del Rio/Hot Springs Barite Mining Districts | Southeast; South Central | North Carolina; Tennessee | Basin brine path | Barite (replacement and bedded); Zinc-lead (MVT and sedex) | copper; lead; silver |
| Cartersville barite | Southeast | Georgia | Basin brine path | Barite (replacement and bedded) | (none) |
| Kings Creek Mining District | Southeast | North Carolina; South Carolina | Volcanogenic seafloor | Barite; Polymetallic sulfide | copper; gold; lead; silver |
| Valley and Ridge barite (Brannon Springs area-Etowah and St. Clair Counties) | Southeast | Alabama | Basin brine path | Barite (replacement and bedded); Zinc-lead (MVT and sedex) | copper; iron; lead; silver |
| Valley and Ridge barite (Pleasant Valley area-Calhoun County) | Southeast | Alabama | Basin brine path | Barite (replacement and bedded); Zinc-lead (MVT and sedex) | copper; iron; lead; silver |
| Valley and Ridge barite (Sinks area-Bibb County) | Southeast | Alabama | Basin brine path | Barite (replacement and bedded); Zinc-lead (MVT and sedex) | copper; iron; lead; silver |
| Virginia barite | Southeast | Virginia | Basin brine path | Barite (replacement and bedded) | (none) |
| New Mexico Tertiary alkaline rocks and REE veins | Southwest | New Mexico | Magmatic REE | Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; thorium; uranium; yttrium |
| Brown County celestite district | Southwest | Texas | Basin brine path | Barite (replacement and bedded); Strontium (replacement and bedded) | (none) |
| Gallinas Mountains Mining District | Southwest | New Mexico | Magmatic REE | Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; gold; iron; lead; silver; thorium; uranium |
| Greystone and Argenta Mines | Southwest | Nevada | Basin brine path | Barite (replacement and bedded) | (none) |
| Hansonburg district | Southwest | New Mexico | Hybrid magmatic REE / basin brine path | Fluorspar | copper; lead; silver |
| Lemitar Mountains Mining District | Southwest | New Mexico | Magmatic REE | Carbonatite | copper; lead; magnetite; phosphorus; silver; thorium; uranium; vermiculite |
| Little Florida Mountains district | Southwest | New Mexico | Chemical weathering | Supergene manganese | (none) |
| New Mexico Cambrian alkaline rocks and REE veins | Southwest | New Mexico | Magmatic REE | Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; gold; iron; lead; molybdenum; silver; thorium; uranium; yttrium |
| Northumberland district | Southwest | Nevada | Basin brine path | Barite (replacement and bedded) | (none) |
| Palm Park (Rincon district) | Southwest | New Mexico | Hybrid magmatic REE / basin brine path | Fluorspar | (none) |
| Snake Mtns. | Southwest | Nevada | Basin brine path | Barite (replacement and bedded) | (none) |
| Texas-New Mexico alkaline belt | Southwest | New Mexico; Texas | Magmatic REE | Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; gold; iron; lead; silver; thorium; uranium |
| Tortugas Mountains | Southwest | New Mexico | Hybrid magmatic REE / basin brine path | Fluorspar | (none) |