45 focus areas match these criteria.
| Focus area | Region | States | Mineral Systems | Deposit types | Commodities |
|---|---|---|---|---|---|
| Kuskokwim-White Mountains REE | Alaska | Alaska | Magmatic REE | Carbonatite | copper; gold; iron; magnetite; phosphorus; thorium; uranium; vermiculite; yttrium |
| Elk Creek carbonatite | North Central | Nebraska | Magmatic REE | Carbonatite | copper; magnetite; phosphorus; thorium; vermiculite; uranium; yttrium |
| Elk Creek region | North Central | Kansas; Nebraska | Magmatic REE | Carbonatite | copper; magnetite; phosphorus; thorium; vermiculite; uranium; yttrium |
| Williston Basin potash | North Central | Montana; North Dakota | Basin brine path | Basin brine | bromine; iodine; petroleum; salt |
| Bearpaw Mountains-Eagle Buttes | Northwest | Montana | Magmatic REE | Carbonatite; Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; gold; lead; magnetite; phosphorus; silver; thorium; uranium; vermiculite; yttrium |
| Grass Range | Northwest | Montana | Magmatic REE | Carbonatite | copper; magnetite; phosphorus; thorium; uranium; vermiculite; yttrium |
| Johnson Ranch-Gold Butte-Froze to Death Butte | Northwest | Montana | Magmatic REE | Carbonatite | copper; magnetite; phosphorus; thorium; uranium; vermiculite; yttrium |
| Judith Mountains | Northwest | Montana | Magmatic REE | Carbonatite | copper; gold; magnetite; phosphorus; silver; thorium; uranium; vermiculite; yttrium |
| Missouri Breaks diatremes | Northwest | Montana | Magmatic REE | Carbonatite | copper; magnetite; phosphorus; thorium; uranium; vermiculite; yttrium |
| Sheep Creek-Mineral Hill | Northwest | Idaho; Montana | Magmatic REE | Carbonatite; Hybrid Th-REE-Fe veins and replacements | copper; iron; magnetite; phosphorus; thorium; uranium; vermiculite; yttrium |
| Smoky Butte | Northwest | Montana | Magmatic REE | Carbonatite | copper; magnetite; phosphorus; thorium; uranium; vermiculite; yttrium |
| Snowbird-Dry Creek | Northwest | Montana | Magmatic REE | Carbonatite; Fluorspar | copper; magnetite; phosphorus; thorium; uranium; vermiculite; yttrium |
| Southeast Oregon lithium | Northwest | Idaho; Nevada; Oregon | Lacustrine evaporite | Lithium clay; Residual brine | borax; boric acid; bromine; iodine; salt; soda ash; sodium sulfate |
| Sweet Grass Hills | Northwest | Montana | Magmatic REE | Carbonatite; Fluorspar; Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; gold; magnetite; phosphorus; thorium; uranium; vermiculite; yttrium |
| Bear Lodge District and Broader Region | Rocky Mountains | South Dakota; Wyoming | Magmatic REE | Carbonatite | gold; thorium; uranium |
| Powderhorn District | Rocky Mountains | Colorado | Magmatic REE | Carbonatite; Fluorspar | copper; iron; lead; phosphorus; silver; thorium; vermiculite; uranium; yttrium |
| Rattlesnake Hills Alkali Intrusive Complex | Rocky Mountains | Wyoming | Magmatic REE | Carbonatite | copper; lead; magnetite; phosphorus; thorium; uranium; vermiculite; yttrium |
| Wet Mountains | Rocky Mountains | Colorado | Magmatic REE | Carbonatite; Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; phosphorus; thorium; vermiculite; uranium; yttrium |
| Central Missouri Barite-Lead District | South Central | Missouri | Basin brine path | Barite (replacement and bedded); Zinc-lead (MVT and sedex) | copper; lead; silver |
| Illinois-Kentucky Fluorspar District | South Central | Illinois; Kentucky | Basin brine path | Barite (replacement and bedded); Zinc-lead (MVT and sedex) | cadmium; copper; lead; silver |
| Magnet Cove District- Potash Sulphur Springs | South Central | Arkansas | Magmatic REE | Carbonatite | copper; magnetite; phosphorus; thorium; uranium; vermiculite; yttrium |
| Midwest Permian Ultramafic Dike District | South Central | Illinois; Indiana; Kentucky | Magmatic REE | Carbonatite | copper; magnetite; phosphorus; thorium; uranium; vermiculite; yttrium |
| Rison anomaly | South Central | Arkansas | Magmatic REE | Carbonatite | copper; magnetite; phosphorus; thorium; uranium; vermiculite; yttrium |
| South Central Kentucky and North Central Tennessee Mineral District | South Central | Kentucky; 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 |
| Arizona and New Mexico lithium | Southwest | Arizona; New Mexico | Lacustrine evaporite | Lithium clay; Residual brine | borax; boric acid; bromine; iodine |
| Bonneville basin playas and salt lakes | Southwest | Utah | Lacustrine evaporite | Residual brine; Salt | borax; boric acid; bromine; iodine; salt (NaCl); soda ash; sodium sulfate |
| Bonnie Claire lithium | Southwest | Nevada | Lacustrine evaporite | Lithium clay; Residual brine | borax; boric acid; bromine; iodine; salt; soda ash; sodium sulfate |
| Brown County celestite district | Southwest | Texas | Basin brine path | Barite (replacement and bedded); Strontium (replacement and bedded) | (none) |
| California lithium and potash | Southwest | California; Nevada | Lacustrine evaporite | Lithium clay; Residual brine | borax; boric acid; bromine; iodine; salt; soda ash; sodium sulfate |
| Clay Canyon | Southwest | Utah | Porphyry Cu-Mo-Au | Lithocap kaolinite | clay; gem-quality variscite; yttrium |
| Clayton Valley-Rhyolite Ridge lithium | Southwest | California; Nevada | Lacustrine evaporite | Lithium clay; Residual brine | borax; boric acid; bromine; iodine; salt; soda ash; sodium sulfate |
| Golconda Mining District | Southwest | Nevada | Lacustrine evaporite | Residual brine | borax; boric acid; bromine; iodine; salt; soda ash; sodium sulfate |
| Lake Mead/Muddy lithium | Southwest | Arizona; Nevada | Lacustrine evaporite | Lithium clay; Residual brine | borax; boric acid; bromine; iodine; salt; soda ash; sodium sulfate |
| Lemitar Mountains Mining District | Southwest | New Mexico | Magmatic REE | Carbonatite | copper; lead; magnetite; phosphorus; silver; thorium; uranium; vermiculite |
| McDermitt Caldera | Southwest | Nevada; Oregon | Lacustrine evaporite | Lithium clay; Residual brine | borax; boric acid; bromine; iodine; salt; soda ash; sodium sulfate |
| Mountain Pass | Southwest | California; Nevada | Magmatic REE | Carbonatite | copper; magnetite; phosphorus; uranium; vermiculite |
| Nevada lithium | Southwest | California; Nevada; Oregon | Lacustrine evaporite | Lithium clay; Residual brine | borax; boric acid; bromine; iodine; salt; soda ash; sodium sulfate |
| New Mexico carbonatites | Southwest | New Mexico | Magmatic REE | Carbonatite | copper; magnetite; phosphorus; thorium; uranium; vermiculite; yttrium |
| Paradox Basin brine | Southwest | Colorado; Utah | Basin brine path | Basin brine | bromine; iodine; petroleum; salt |
| Salton Trough lithium and potash | Southwest | California | Lacustrine evaporite | Residual brine | borax; boric acid; bromine; gold; iodine; silver |
| Smackover Formation lithium | Southwest | Alabama; Arkansas; Florida; Louisiana; Mississippi; Texas | Basin brine path | Basin brine | bromine; iodine; petroleum; salt |
| Southern High Plains Calcrete | Southwest | New Mexico; Texas | Meteoric recharge | Calcrete uranium | caliche; uranium |
| Teels Marsh | Southwest | Nevada | Lacustrine evaporite | Lithium clay; Residual brine | borax; boric acid; bromine; iodine; salt; soda ash; sodium sulfate |
| White Basin | Southwest | Nevada | Lacustrine evaporite | Lithium clay; Residual brine | borax; boric acid; bromine; iodine; salt; soda ash; sodium sulfate |