97 focus areas match these criteria.
| Focus area | Region | States | Mineral Systems | Deposit types | Commodities |
|---|---|---|---|---|---|
| Darby-Hogatza REE | Alaska | Alaska | Magmatic REE | Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; thorium; uranium; yttrium |
| Kokrines-Hodzana REE | Alaska | Alaska | Magmatic REE | Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; lead; molybdenum; silver; thorium; uranium; yttrium |
| Kuskokwim-White Mountains REE | Alaska | Alaska | Magmatic REE | Carbonatite | copper; gold; iron; magnetite; phosphorus; thorium; uranium; vermiculite; yttrium |
| Northern Alaska Range REE | Alaska | Alaska | Magmatic REE | Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; thorium; uranium; yttrium |
| Placer Au | Alaska | Alaska | Placer | Cassiterite; Gold; Monazite/xenotime; PGE; Zircon | gold; thorium; yttrium |
| Placer Au and PGE | Alaska | Alaska | Placer | Cassiterite; Gold; Ilmenite/rutile/leucoxene; Monazite/xenotime; PGE; Zircon | gold; thorium; yttrium |
| Placer Au and Sn | Alaska | Alaska | Placer | Cassiterite; Gold; Monazite/xenotime; PGE; Zircon | gold; thorium; yttrium |
| Placer Au and Ti | Alaska | Alaska | Placer | Cassiterite; Gold; Ilmenite/rutile/leucoxene; Monazite/xenotime; PGE; Zircon | gold; thorium; yttrium |
| Placer PGE and Au | Alaska | Alaska | Placer | Cassiterite; Gold; Ilmenite/rutile/leucoxene; Monazite/xenotime; PGE; Zircon | gold; thorium; yttrium |
| Porcupine River REE | Alaska | Alaska | Magmatic REE | Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; phosphate; thorium; uranium; yttrium |
| Southeastern Alaska REE | Alaska | Alaska | Magmatic REE | Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; phosphate; thorium; uranium; yttrium |
| Western Alaska Range REE | Alaska | Alaska | Magmatic REE | Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; thorium; uranium; yttrium |
| Yukon-Tanana REE | Alaska | Alaska | Magmatic REE | Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; thorium; uranium; yttrium |
| Archean gneiss terranes | North Central | Iowa; Michigan; Minnesota; Nebraska; South Dakota; Wisconsin | Magmatic REE | Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; thorium; uranium; 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 |
| Humboldt Granite | North Central | Michigan | Magmatic REE | Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; thorium; uranium; yttrium |
| Neoarchean Greenstone Belts of Minnesota, North Dakota and South Dakota | North Central | Minnesota; North Dakota; South Dakota | Magmatic REE | Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; thorium; uranium; yttrium |
| Northeast Iowa intrusive complex (NEIIC) | North Central | Iowa; Minnesota; Wisconsin | Magmatic REE | Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; thorium; uranium; yttrium |
| Wausau Syenite Complex (WSC) | North Central | Wisconsin | Magmatic REE | Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; thorium; yttrium |
| Wolf River Batholith | North Central | Wisconsin | Magmatic REE | Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; thorium; uranium; yttrium |
| Catoctin Formation metavolcanics in Maryland | Northeast | Maryland | Magmatic REE | Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; thorium; uranium; yttrium |
| Eastern Piedmont Devonian granitoids | Northeast | Maryland | Magmatic REE | Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; thorium; uranium; yttrium |
| Kennebec River barrier beaches | Northeast | Maine | Placer | Garnet; Ilmenite/rutile/leucoxene; Monazite/xenotime; Zircon | garnet gems and abrasives; thorium; yttrium |
| Litchfield syenite | Northeast | Maine | Magmatic REE | Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; thorium; uranium; yttrium |
| Pennsylvania fluvial placers | Northeast | Delaware; Maryland; Pennsylvania | Placer | Ilmenite/rutile/leucoxene; Monazite/xenotime; Zircon | thorium; yttrium |
| Adel Mountain Volcanics | Northwest | Montana | Magmatic REE | Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; gold; thorium; uranium; yttrium |
| 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 |
| Castle stock | Northwest | Montana | Magmatic REE | Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; thorium; uranium; yttrium |
| Crazy Mountain Volcanics | Northwest | Montana | Magmatic REE | Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; gold; iron; lead; silver; thorium; uranium; yttrium |
| Cretaceous heavy-mineral placer sandstones (black sandstones) | Northwest; North Central; Rocky Mountains | Montana; North Dakota; South Dakota; Wyoming | Placer | Columbite/tantalite; Gold; Ilmenite/rutile/leucoxene; Monazite/xenotime; Uraninite, autunite-group minerals; Wolframite/scheelite; Zircon | gold; iron; thorium; uranium; yttrium |
| Grass Range | Northwest | Montana | Magmatic REE | Carbonatite | copper; magnetite; phosphorus; thorium; uranium; vermiculite; yttrium |
| Hall Mountain mineral district | Northwest | Idaho | Magmatic REE | Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; thorium; uranium; yttrium |
| Highwood Mountains | Northwest | Montana | Magmatic REE | Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; thorium; uranium; yttrium |
| Idaho Critical Mineral Placers | Northwest | Idaho | Placer | Columbite/tantalite; Garnet; Ilmenite/rutile/leucoxene; Monazite/xenotime; Zircon | garnet; thorium; 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 |
| Lemhi Pass mineral district | Northwest | Idaho; Montana | Magmatic REE | Hybrid Th-REE-Fe veins and replacements | iron; thorium; yttrium |
| Little Belt Mountains | Northwest | Montana | Magmatic REE | Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; thorium; uranium; yttrium |
| Midnite | Northwest | Washington | Magmatic REE | Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; thorium; uranium; yttrium |
| Missouri Breaks diatremes | Northwest | Montana | Magmatic REE | Carbonatite | copper; magnetite; phosphorus; thorium; uranium; vermiculite; yttrium |
| Moccasin Mountains | Northwest | Montana | Magmatic REE | Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; thorium; uranium; 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 |
| Spokane Mountain | Northwest | Washington | Magmatic REE | Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; thorium; uranium; yttrium |
| Sweet Grass Hills | Northwest | Montana | Magmatic REE | Carbonatite; Fluorspar; Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; gold; magnetite; phosphorus; thorium; uranium; vermiculite; yttrium |
| Washington Heavy Mineral Placers | Northwest | Washington | Placer | Columbite/tantalite; Gold; Ilmenite/rutile/leucoxene; Monazite/xenotime; PGE; Zircon | thorium; yttrium |
| Bald Mountain paleoplacers | Rocky Mountains | Wyoming | Placer | Gold; Ilmenite/rutile/leucoxene; Monazite/xenotime; Zircon | gold; thorium; yttrium |
| Bates Hole area fluvial paleoplacers | Rocky Mountains | Wyoming | Placer | Monazite/xenotime; Uraninite, autunite-group minerals | thorium; uranium; yttrium |
| Bear Lodge District and Broader Region | Rocky Mountains | South Dakota; Wyoming | Magmatic REE | Carbonatite | gold; thorium; uranium |
| Centennial Cone Prospect | Rocky Mountains | Colorado | Magmatic REE | Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; feldspar; mica; thorium; uranium; yttrium |
| Central Laramie Range | Rocky Mountains | Wyoming | Magmatic REE | Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; thorium; uranium; yttrium |
| Fox Hills Sandstone heavy mineral placers | Rocky Mountains | Colorado | Placer | Garnet; Ilmenite/rutile/leucoxene; Monazite/xenotime; Zircon | garnet; thorium; yttrium |
| Medicine Bow Mountains | Rocky Mountains | Colorado; Wyoming | Magmatic REE | Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; thorium; uranium; yttrium |
| Medicine Bow Mountains | Rocky Mountains | Colorado; Wyoming | Placer | Monazite/xenotime; Uraninite, autunite-group minerals | thorium; uranium; yttrium |
| Meyers Ranch | Rocky Mountains | Colorado | Porphyry Sn (granite-related) | Pegmatite LCT | feldspar; mica; thorium; uranium |
| Pikes Peak, St. Peter’s Dome (Proterozoic) | Rocky Mountains | Colorado | Climax-type | Greisen-S-R beryllium; Pegmatite NYF | gold; lead; molybdenum; silver; thorium; uranium; yttrium |
| 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 |
| Sierra Madre | Rocky Mountains | Colorado; Wyoming | Magmatic REE | Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; thorium; uranium; vermiculite; yttrium |
| Sierra Madre | Rocky Mountains | Colorado; Wyoming | Placer | Monazite/xenotime; Uraninite, autunite-group minerals | thorium; uranium; yttrium |
| Sweetwater Arch | Rocky Mountains | Wyoming | Magmatic REE | Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; thorium; uranium; yttrium |
| Twin Cedars, Big Bertha, South Platte pegmatites | Rocky Mountains | Colorado | Magmatic REE | Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; feldspar; quartz; thorium; uranium; yttrium |
| Wet Mountains | Rocky Mountains | Colorado | Magmatic REE | Carbonatite; Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; phosphorus; thorium; vermiculite; uranium; yttrium |
| Granite Mountain syenite | South Central | Arkansas | Magmatic REE | Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; thorium; uranium; yttrium |
| Kansas Lamproite | South Central | Kansas | Magmatic REE | Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; mica; thorium; uranium; yttrium |
| Magnet Cove District- Potash Sulphur Springs | South Central | Arkansas | Magmatic REE | Carbonatite | copper; magnetite; phosphorus; thorium; uranium; vermiculite; yttrium |
| McNairy Sand placers | South Central | Kentucky; Mississippi; Missouri; Tennessee | Placer | Ilmenite/rutile/leucoxene; Monazite/xenotime; Zircon | thorium; 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 |
| Tertiary Heavy Mineral Sands | South Central | Tennessee | Placer | Ilmenite/rutile/leucoxene; Monazite/xenotime; Zircon | thorium; yttrium |
| Blue Ridge placers | Southeast | Georgia; North Carolina; South Carolina; Tennessee | Placer | Gold; Ilmenite/rutile/leucoxene; Monazite/xenotime | gold; thorium; yttrium |
| Fall Zone Placers | Northeast; Southeast | Alabama; Delaware; Georgia; Maryland; New Jersey; North Carolina; Pennsylvania; South Carolina; Virginia | Placer | Ilmenite/rutile/leucoxene; Monazite/xenotime; Zircon | thorium; yttrium |
| Lower Shoreline Placers | Northeast; Southeast | Delaware; Florida; Georgia; Maryland; New Jersey; North Carolina; South Carolina; Virginia | Placer | Ilmenite/rutile/leucoxene; Monazite/xenotime; Zircon | thorium; yttrium |
| Middle Shoreline Placers | Northeast; Southeast | Georgia; Maryland; North Carolina; South Carolina; Virginia | Placer | Ilmenite/rutile/leucoxene; Monazite/xenotime; Zircon | thorium; yttrium |
| Piedmont fluvial placers | Southeast | Alabama; Georgia; North Carolina; South Carolina; Virginia | Placer | Gold; Monazite/xenotime | gold; thorium; yttrium |
| New Mexico Tertiary alkaline rocks and REE veins | Southwest | New Mexico | Magmatic REE | Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; thorium; uranium; yttrium |
| Arizona-New Mexico Cretaceous placers | Southwest | Arizona; Colorado; New Mexico | Placer | Columbite/tantalite; Ilmenite/rutile/leucoxene; Monazite/xenotime; Uraninite, autunite-group minerals; Zircon | thorium; uranium; yttrium |
| Coal Cliffs | Southwest | Utah | Placer | Ilmenite/rutile/leucoxene; Monazite/xenotime; Zircon | iron; thorium; yttrium |
| Gallinas Mountains Mining District | Southwest | New Mexico | Magmatic REE | Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; gold; iron; lead; silver; thorium; uranium |
| Kaiparowits placer | Southwest | Utah | Placer | Columbite/tantalite; Ilmenite/rutile/leucoxene; Monazite/xenotime; Uraninite, autunite-group minerals; Wolframite/scheelite; Zircon | thorium; uranium; yttrium |
| La Paz | Southwest | Arizona | Magmatic REE | Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; thorium; uranium; yttrium |
| Lake Bonneville Beach Gravels | Southwest | Utah | Placer | Ilmenite/rutile/leucoxene; Monazite/xenotime; Zircon | iron; thorium; yttrium |
| Lemitar Mountains Mining District | Southwest | New Mexico | Magmatic REE | Carbonatite | copper; lead; magnetite; phosphorus; silver; thorium; uranium; vermiculite |
| McDermitt Caldera | Southwest | Nevada; Oregon | Magmatic REE | Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; thorium; uranium; yttrium |
| Music Valley | Southwest | California | Metamorphic | Gneiss REE (monazite, xenotime) | thorium; uranium; yttrium |
| 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 |
| New Mexico carbonatites | Southwest | New Mexico | Magmatic REE | Carbonatite | copper; magnetite; phosphorus; thorium; uranium; vermiculite; yttrium |
| New Mexico Proterozoic alkaline rocks and pegmatites | Southwest | New Mexico | Magmatic REE | Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; thorium; uranium; yttrium |
| Pajarito Mountain | Southwest | New Mexico | Magmatic REE | Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; iron; thorium; uranium; yttrium |
| Petaca placers | Southwest | New Mexico | Placer | Columbite/tantalite; Monazite/xenotime; Zircon | thorium; yttrium |
| Round Top | Southwest | Texas | Magmatic REE | Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; thorium; uranium; yttrium |
| Texas Cretaceous intrusions | Southwest | Texas | Magmatic REE | Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; thorium; uranium; yttrium |
| Texas-New Mexico alkaline belt | Southwest | New Mexico; Texas | Magmatic REE | Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; gold; iron; lead; silver; thorium; uranium |
| Toiyabe Peaks | Southwest | Nevada | Magmatic REE | Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; thorium; uranium; yttrium |
| Wind Mountain (Cornudas Mountains) | Southwest | New Mexico | Magmatic REE | Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; thorium; uranium; yttrium |