242 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 |
| Darby-Hogatza SsU-V-Co | Alaska | Alaska | Meteoric recharge | Sandstone uranium | uranium |
| Eastern Brooks Range-Old Crow PorphMo-W | Alaska | Alaska | Climax-type | Porphyry molybdenum | molybdenum; silver |
| Kokrines-Hodzana REE | Alaska | Alaska | Magmatic REE | Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; lead; molybdenum; silver; thorium; uranium; yttrium |
| Kokrines-Hodzana SsU-V-Co | Alaska | Alaska | Meteoric recharge | Sandstone uranium | uranium |
| Kuskokwim-White Mountains REE | Alaska | Alaska | Magmatic REE | Carbonatite | copper; gold; iron; magnetite; phosphorus; thorium; uranium; vermiculite; yttrium |
| Kuskokwim-White Mountains SsU-V-Co | Alaska | Alaska | Meteoric recharge | Sandstone uranium | uranium |
| Northern Alaska Range REE | Alaska | Alaska | Magmatic REE | Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; thorium; uranium; yttrium |
| Northern Alaska Range SsU-V-Co | Alaska | Alaska | Meteoric recharge | Sandstone uranium | uranium |
| 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 |
| Porcupine River SsU-V-Co | Alaska | Alaska | Meteoric recharge | Sandstone uranium | uranium |
| Southeast Alaska Coast Mountains PorphMo-W | Alaska | Alaska | Climax-type | Porphyry molybdenum | molybdenum; silver |
| Southeastern Alaska REE | Alaska | Alaska | Magmatic REE | Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; phosphate; thorium; uranium; yttrium |
| Southeastern Alaska SsU-V-Co | Alaska | Alaska | Meteoric recharge | Sandstone uranium | uranium |
| Triassic Phosphate REE | Alaska | Alaska | Marine chemocline | Phosphate | phosphate fertilizer; uranium |
| Upper Mississippian (Visean) Phosphate REE | Alaska | Alaska | Marine chemocline | Phosphate | phosphate fertilizer; uranium |
| Western Alaska Range REE | Alaska | Alaska | Magmatic REE | Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; thorium; uranium; yttrium |
| Western Alaska Range SsU-V-Co | Alaska | Alaska | Meteoric recharge | Sandstone uranium | uranium |
| Yukon-Tanana REE | Alaska | Alaska | Magmatic REE | Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; thorium; uranium; yttrium |
| Yukon-Tanana SsU-V-Co | Alaska | Alaska | Meteoric recharge | Sandstone uranium | uranium |
| Hawaii bauxite | Hawaii | Hawaii | Chemical weathering | Bauxite | (none) |
| Archean gneiss terranes | North Central | Iowa; Michigan; Minnesota; Nebraska; South Dakota; Wisconsin | Magmatic REE | Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; thorium; uranium; yttrium |
| Cretaceous weathering of Archean and Paleoproterozoic rocks | North Central | Minnesota; South Dakota | Chemical weathering | Regolith (Ion adsorption) REE | (none) |
| Crow Butte | North Central | Nebraska | Meteoric recharge | Sandstone uranium | uranium |
| 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 |
| Mesoproterozoic Phosphate | North Central | Michigan; Wisconsin | Marine chemocline | Phosphate | phosphate fertilizer; uranium |
| Midcontinent Rift layered Ti-Fe in the Duluth Complex | North Central | Minnesota | Mafic magmatic | Iron-titanium oxide | iron; phosphorus |
| Midcontinent Rift mafic-ultramafic satellite intrusions | North Central | Michigan; Wisconsin | Mafic magmatic | Iron-titanium oxide; Nickel-copper-PGE sulfide | copper; gold; iron; phosphorus; selenium; silver |
| Midcontinent Rift oxide-ultramafic intrusions (OUIs) | North Central | Minnesota | Mafic magmatic | Iron-titanium oxide; Nickel-copper-PGE sulfide | copper; gold; iron; phosphorus; selenium; silver |
| 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 |
| Non-Midcontinent Rift mafic/ultramafic intrusions | North Central | Iowa; Michigan; Minnesota | Mafic magmatic | Iron-titanium oxide; Nickel-copper-PGE sulfide | copper; gold; iron; phosphorus; selenium; silver |
| Northeast Iowa intrusive complex (NEIIC) | North Central | Iowa; Minnesota; Wisconsin | Magmatic REE | Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; thorium; uranium; yttrium |
| Paleoproterozoic weathering beneath mature quartzites | North Central | Iowa; Minnesota; South Dakota; Wisconsin | Chemical weathering | Regolith (Ion adsorption) REE | (none) |
| Peavey Pond Complex | North Central | Michigan; Wisconsin | IOA-IOCG | Iron oxide apatite; Iron oxide copper gold | copper; gold; iron; selenium; uranium |
| Pembine-Wausau and Minnesota Paleoproterozoic | North Central | Michigan; Minnesota; Wisconsin | Volcanogenic seafloor | Barite; Manganese oxide (layers, crusts, nodules); Polymetallic sulfide; Zinc-copper sulfide | copper; gold; iron; lead; silver |
| Post-Penokean Geon 17 magmatic rocks | North Central | Iowa; Michigan; Minnesota; Wisconsin | IOA-IOCG | Iron oxide apatite; Iron oxide copper gold | copper; gold; iron; selenium; uranium |
| Spencer Intrusive Complex | North Central | Iowa | IOA-IOCG | Iron oxide apatite; Iron oxide copper gold | copper; gold; iron; selenium; uranium |
| Upper Ordovician Phosphate (Rawtheyan and Richmondian) | North Central | Alabama; Iowa; Illinois; Indiana; Kentucky; Michigan; Minnesota; Missouri; Ohio; Oklahoma; Tennessee; Wisconsin | Marine chemocline | Black shale; Iron-manganese; Phosphate | copper; gold; iron; molybdenum; petroleum; phosphate fertilizer; stone coal; uranium |
| Wausau Syenite Complex (WSC) | North Central | Wisconsin | Magmatic REE | Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; thorium; yttrium |
| Western Upper Peninsula, IOCG | North Central | Michigan; Wisconsin | IOA-IOCG | Iron oxide apatite; Iron oxide copper gold | copper; gold; iron; selenium; uranium |
| Wolf River Batholith | North Central | Wisconsin | IOA-IOCG | Iron oxide apatite; Iron oxide copper gold | copper; gold; iron; selenium; uranium |
| Wolf River Batholith | North Central | Wisconsin | Magmatic REE | Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; thorium; uranium; yttrium |
| Edgemont | North Central; Rocky Mountains | South Dakota; Wyoming | Meteoric recharge | Sandstone uranium | uranium |
| Adirondack magnetite-apatite deposits | Northeast | New York; Vermont | IOA-IOCG | Iron oxide apatite | iron |
| 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 |
| Massachusetts Hawley mineral belt | Northeast | Massachusetts | Volcanogenic seafloor | Manganese oxide (layers, crusts, nodules); Polymetallic sulfide | copper; gold; iron; lead; silver |
| Pennsylvania fluvial placers | Northeast | Delaware; Maryland; Pennsylvania | Placer | Ilmenite/rutile/leucoxene; Monazite/xenotime; Zircon | thorium; yttrium |
| Port Leyden mine area | Northeast | New York | IOA-IOCG | Iron oxide apatite | iron |
| 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 |
| Big Ben | Northwest | Montana | Climax-type | Porphyry molybdenum | molybdenum |
| Bitterroot Range anorthosite | Northwest | Montana | Mafic magmatic | Iron-titanium oxide | iron; phosphorus |
| California Coast Ranges massive sulfide | Northwest | California; Oregon; Washington | Volcanogenic seafloor | Copper-zinc sulfide; Manganese oxide (layers, crusts, nodules); Polymetallic sulfide; Zinc-copper sulfide | copper; gold; lead; silver |
| 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 |
| CuMo-Little Falls mineral districts | Northwest | Idaho | Porphyry Cu-Mo-Au | Porphyry/skarn molybdenum | copper; molybdenum |
| 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 Cobalt Belt | Northwest | Idaho | IOA-IOCG | Iron oxide copper gold; Polymetallic sulfide S-R-V | copper; gold; lead; molybdenum; selenium; silver; uranium |
| 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 |
| MT-ID Alkalic Belt | Northwest | Montana | Alkalic porphyry | Fluorspar; Polymetallic sulfide S-R-V-IS | copper; feldspar; lead; gold; silver; vermiculite |
| Olympic Peninsula deposits | Northwest | Washington | Volcanogenic seafloor | Manganese oxide (layers, crusts, nodules) | iron |
| O'Toole Mountain | Northwest | Washington | Climax-type | Porphyry molybdenum; Skarn molybdenum | molybdenum |
| Payette National Forest manganese | Northwest | Idaho | Volcanogenic seafloor | Manganese oxide (layers, crusts, nodules) | iron |
| 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 |
| Sherwood | Northwest | Washington | Meteoric recharge | Sandstone uranium | uranium |
| 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 |
| Southwest Washington bauxite | Northwest | Oregon; Washington | Chemical weathering | Bauxite | (none) |
| Spokane Mountain | Northwest | Washington | Magmatic REE | Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; thorium; uranium; yttrium |
| Stanley-Challis uranium district | Northwest | Idaho | Meteoric recharge | Granite uranium; Sandstone uranium | uranium |
| Sweet Grass Hills | Northwest | Montana | Magmatic REE | Carbonatite; Fluorspar; Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; gold; magnetite; phosphorus; thorium; uranium; vermiculite; yttrium |
| Washington bauxite district | Northwest | Washington | Chemical weathering | Bauxite | (none) |
| Washington Heavy Mineral Placers | Northwest | Washington | Placer | Columbite/tantalite; Gold; Ilmenite/rutile/leucoxene; Monazite/xenotime; PGE; Zircon | thorium; yttrium |
| Washington-Idaho clay | Northwest | Idaho; Washington | Chemical weathering | Clay | (none) |
| 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 |
| Brown Derby | Rocky Mountains | Colorado | Porphyry Sn (granite-related) | Pegmatite LCT | mica |
| 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 |
| Central Laramie Range | Rocky Mountains | Wyoming | Mafic magmatic | Chromite; Iron-titanium oxide; Nickel-copper-PGE sulfide | copper; gold; iron; lead; phosphorus; selenium; silver |
| Central Laramie Range | Rocky Mountains | Wyoming | Volcanogenic seafloor | Barite; Manganese oxide (layers, crusts, nodules); Polymetallic sulfide | copper; gold; iron; lead; silver |
| Climax-Sweet Home | Rocky Mountains | Colorado | Climax-type | Greisen; Polymetallic sulfide S-R-V-IS; Porphyry molybdenum | copper; gold; lead; molybdenum; silver |
| Coal REE deposits | Rocky Mountains | Colorado | Chemical weathering | Regolith (Ion adsorption) REE | coal |
| Copper Mountain | Rocky Mountains | Wyoming | Meteoric recharge | Sandstone uranium | uranium |
| Cretaceous-Paleocene coals, underclays, and interbeds | Rocky Mountains | Montana; North Dakota; South Dakota; Wyoming | Chemical weathering | Clay; Coal uranium, Regolith (Ion adsorption) REE; Surficial uranium | aggregate (coal clinker); clay; coal; molybdenum; uranium; yttrium |
| Denver Basin | Rocky Mountains | Colorado | Meteoric recharge | Sandstone uranium | uranium |
| Entrada | Rocky Mountains | Colorado | Meteoric recharge | Sandstone uranium | uranium |
| Fox Hills Sandstone heavy mineral placers | Rocky Mountains | Colorado | Placer | Garnet; Ilmenite/rutile/leucoxene; Monazite/xenotime; Zircon | garnet; thorium; yttrium |
| Gas Hills | Rocky Mountains | Wyoming | Meteoric recharge | Sandstone uranium | uranium |
| Great Divide Basin | Rocky Mountains | Wyoming | Meteoric recharge | Sandstone uranium | uranium |
| Hahns Peak | Rocky Mountains | Colorado | Climax-type | Polymetallic sulfide S-R-V-IS; Porphyry molybdenum | copper; gold; lead; molybdenum; silver |
| Ketchum Buttes | Rocky Mountains | Wyoming | Meteoric recharge | Sandstone uranium | uranium |
| Maybell | Rocky Mountains | Colorado | Meteoric recharge | Sandstone uranium | uranium |
| Medicine Bow Mountains | Rocky Mountains | Colorado; Wyoming | Mafic magmatic | Chromite; Iron-titanium oxide; Nickel-copper-PGE sulfide | copper; gold; iron; lead; phosphorus; selenium; silver |
| 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 | Volcanogenic seafloor | Barite; Manganese oxide (layers, crusts, nodules); Polymetallic sulfide | copper; gold; iron; lead; silver |
| Medicine Bow Mountains | Rocky Mountains | Colorado; Wyoming | Placer | Monazite/xenotime; Uraninite, autunite-group minerals | thorium; uranium; yttrium |
| Meeker | Rocky Mountains | Colorado | Meteoric recharge | Sandstone uranium | uranium |
| Mt. Emmons-Redwell Basin | Rocky Mountains | Colorado | Climax-type | Polymetallic sulfide S-R-V-IS; Porphyry molybdenum | copper; gold; lead; molybdenum; silver |
| Northwestern Black Hills Uranium District | Northwest; Rocky Mountains | Montana; Wyoming | Meteoric recharge | Sandstone uranium | uranium |
| Phosphoria Formation | Rocky Mountains | Colorado; Idaho; Montana; Nevada; Utah; Wyoming | Marine chemocline | Black shale; Phosphate | copper; gold; molybdenum; petroleum; phosphate fertilizer; stone coal; 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 |
| Poison Basin | Rocky Mountains | Wyoming | Meteoric recharge | Sandstone uranium | molybdenum; pyrite; selenium; uranium |
| Powder River Basin | Rocky Mountains | Wyoming | Meteoric recharge | Sandstone uranium | uranium |
| Powderhorn District | Rocky Mountains | Colorado | Magmatic REE | Carbonatite; Fluorspar | copper; iron; lead; phosphorus; silver; thorium; vermiculite; uranium; yttrium |
| Pryor Mountains-Little Mountain | Northwest; Rocky Mountains | Montana; Wyoming | Meteoric recharge | Carbonate uranium | uranium |
| Rattlesnake Hills Alkali Intrusive Complex | Rocky Mountains | Wyoming | Magmatic REE | Carbonatite | copper; lead; magnetite; phosphorus; thorium; uranium; vermiculite; yttrium |
| Shirley Basin | Rocky Mountains | Wyoming | Meteoric recharge | Sandstone uranium | uranium |
| 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 |
| Sierra Madre | Rocky Mountains | Colorado; Wyoming | Volcanogenic seafloor | Barite; Manganese oxide (layers, crusts, nodules); Polymetallic sulfide | copper; gold; lead; silver |
| Summitville | Rocky Mountains | Colorado | Climax-type | Lithocap alunite; Polymetallic sulfide S-R-V-IS | cadmium; copper; gold; lead; molybdenum; silver |
| Sweetwater Arch | Rocky Mountains | Wyoming | Magmatic REE | Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; thorium; uranium; yttrium |
| Sweetwater Arch | Rocky Mountains | Wyoming | Volcanogenic seafloor | Algoma iron; Manganese-oxide (layers, crusts, nodules); Polymetallic sulfide | copper; gold; iron; lead; silver |
| Tallahassee Creek | Rocky Mountains | Colorado | Meteoric recharge | Sandstone uranium | uranium |
| Turkey Creek | Rocky Mountains | Colorado | Meteoric recharge | Sandstone uranium | uranium |
| 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 | Mafic magmatic | Iron-titanium oxide; Nickel-copper-PGE sulfide | iron; phosphorus; silver |
| Wet Mountains | Rocky Mountains | Colorado | Magmatic REE | Carbonatite; Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; phosphorus; thorium; vermiculite; uranium; yttrium |
| Winfield Peak-Antero | Rocky Mountains | Colorado | Climax-type | Pegmatite NYF; Porphyry molybdenum | gold; molybdenum; silver; yttrium |
| Wyoming Metasedimentary and Metavolcanic Belts | Rocky Mountains | Wyoming | Mafic magmatic | Chromite; Iron-titanium oxide; Nickel-copper-PGE sulfide | copper; gold; iron; phosphorus; selenium; silver |
| Wyoming Metasedimentary and Metavolcanic Belts | Rocky Mountains | Wyoming | Volcanogenic seafloor | Barite; Manganese oxide (layers, crusts, nodules); Polymetallic sulfide | copper; gold; iron; silver |
| Arkansas Bauxite Region | South Central | Arkansas | Chemical weathering | Bauxite | (none) |
| Central Kentucky Phosphate District | South Central | Kentucky | Chemical weathering | Regolith (Ion adsorption) REE | phosphate |
| Fayetteville Shale; Upper Mississippian (Serpukhovian) Phosphate | South Central | Arkansas; Missouri; Oklahoma | Marine chemocline | Phosphate | phosphate fertilizer; uranium |
| Granite Mountain syenite | South Central | Arkansas | Magmatic REE | Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; thorium; uranium; yttrium |
| Hicks Dome Intrusion | South Central | Illinois | Hybrid magmatic REE / basin brine path | Fluorspar | lead |
| Illinois-Kentucky Fluorspar District | South Central | Illinois; Kentucky | Hybrid magmatic REE / basin brine path | Fluorspar | lead |
| 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 |
| Midwest Permian Ultramafic Dike District | South Central | Illinois; Indiana; Kentucky | Chemical weathering | Regolith (Ion adsorption) REE | phosphate |
| Missouri Cheltenham Fireclay District | South Central | Missouri | Chemical weathering | Clay | silica; oxide; clay |
| Pennsylvanian Phosphate, Black Shale, Underclay | South Central | Alabama; Arkansas; Georgia; Illinois; Indiana; Iowa; Kansas; Kentucky; Maryland; Michigan; Missouri; Nebraska; New York; Ohio; Oklahoma; Pennsylvania; Tennessee; Texas; Virginia; West Virginia | Marine chemocline | Black shale; Phosphate | copper; gold; molybdenum; petroleum; phosphate fertilizer; stone coal; uranium |
| Pennsylvanian Phosphate, Black Shale, Underclay | South Central | Alabama; Arkansas; Georgia; Illinois; Indiana; Iowa; Kansas; Kentucky; Maryland; Michigan; Missouri; Nebraska; New York; Ohio; Oklahoma; Pennsylvania; Tennessee; Texas; Virginia; West Virginia | Chemical weathering | Clay | (none) |
| Rison anomaly | South Central | Arkansas | Magmatic REE | Carbonatite | copper; magnetite; phosphorus; thorium; uranium; vermiculite; yttrium |
| South-Central IOA-IOCG province | South Central | Arkansas; Illinois; Iowa; Missouri; Ohio; Wisconsin | IOA-IOCG | Iron oxide apatite; Iron oxide copper gold | copper; gold; iron; silver; uranium |
| Southeast Missouri Iron Metallogenic Province | South Central | Missouri | IOA-IOCG | Iron oxide apatite; Iron oxide copper gold | copper; gold; iron; selenium |
| Tertiary Heavy Mineral Sands | South Central | Tennessee | Placer | Ilmenite/rutile/leucoxene; Monazite/xenotime; Zircon | thorium; yttrium |
| Upper Devonian Phosphate | South Central | Alabama; Arkansas; Georgia; Illinois; Indiana; Iowa; Kentucky; Maryland; Michigan; Mississippi; Missouri; Ohio; Oklahoma; Pennsylvania; Tennessee; Virginia; West Virginia | Marine chemocline | Black shale; Iron-manganese; Phosphate | copper; gold; iron; molybdenum; petroleum; phosphate fertilizer; stone coal; uranium |
| Alabama bauxite | Southeast | Alabama | Chemical weathering | Bauxite | (none) |
| Alleghanian-NeoAcadian regolith | Southeast | Alabama; Georgia; North Carolina; South Carolina; Virginia | Chemical weathering | Regolith (Ion adsorption) REE | (none) |
| 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 |
| Georgia bauxite | Southeast | Georgia | Chemical weathering | Bauxite | (none) |
| 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 Devonian REE phosphates | Southeast | West Virginia | Marine chemocline | Phosphate | phosphate; uranium |
| Middle Shoreline Placers | Northeast; Southeast | Georgia; Maryland; North Carolina; South Carolina; Virginia | Placer | Ilmenite/rutile/leucoxene; Monazite/xenotime; Zircon | thorium; yttrium |
| Miocene-Pliocene phosphate strata | Southeast | Florida; Georgia; Maryland; North Carolina; South Carolina; Virginia | Marine chemocline | Phosphate | phosphate; uranium |
| Neoproterozoic granitoids | Southeast | North Carolina; Virginia | Chemical weathering | Regolith (Ion adsorption) REE | (none) |
| Neoproterozoic regolith | Southeast | Maryland; North Carolina; Tennessee; Virginia; West Virginia | Chemical weathering | Regolith (Ion adsorption) REE | (none) |
| North Carolina fireclays | Southeast | North Carolina; South Carolina | Chemical weathering | Clay | ilmenite; iron; monazite |
| Piedmont fluvial placers | Southeast | Alabama; Georgia; North Carolina; South Carolina; Virginia | Placer | Gold; Monazite/xenotime | gold; thorium; yttrium |
| Puerto Rico volcanogenic Mn | Southeast | Puerto Rico | Volcanogenic seafloor | Manganese oxide (layers, crusts, nodules) | iron |
| South Carolina/Georgia kaolin deposits | Southeast | Georgia; South Carolina | Chemical weathering | Clay | ilmenite; iron; monazite |
| Virginia bauxite | Southeast | Virginia | Chemical weathering | Bauxite | (none) |
| Virginia nelsonites | Southeast | Virginia | Mafic magmatic | Iron-titanium oxide | iron; phosphorus |
| Yadkin-Richland Mining District | Southeast | North Carolina | Mafic magmatic | Iron-titanium oxide | iron; phosphorus |
| 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 |
| Artillery Mountains manganese | Southwest | Arizona | Volcanogenic seafloor | Manganese oxide (layers, crusts, nodules) | iron |
| Big Bend alkaline rocks | Southwest | Texas | Hybrid magmatic REE / basin brine path | Fluorspar | lead; silver |
| Burro Mountains | Southwest | New Mexico | Hybrid magmatic REE / basin brine path | Fluorspar | (none) |
| Cameron area uranium | Southwest | Arizona | Meteoric recharge | Sandstone uranium | uranium |
| Cave Peak | Southwest | Texas | Climax-type | Porphyry molybdenum | copper; molybdenum |
| Central Texas pegmatites | Southwest | Texas | Climax-type | Pegmatite NYF | feldspar; yttrium |
| Coal Cliffs | Southwest | Utah | Placer | Ilmenite/rutile/leucoxene; Monazite/xenotime; Zircon | iron; thorium; yttrium |
| Colorado Plateau sandstone uranium | Southwest | Arizona; Colorado; New Mexico; Utah | Meteoric recharge | Sandstone uranium | copper; molybdenum; uranium |
| Cooks Range-Fluorite Ridge fluorite-manganese | Southwest | New Mexico | Hybrid magmatic REE / basin brine path | Fluorspar | molybdenum |
| Cortez Mountains | Southwest | Nevada | IOA-IOCG | Iron oxide apatite | iron |
| Diamond Tail (Hagan Basin) | Southwest | New Mexico | Meteoric recharge | Sandstone uranium | molybdenum; selenium; uranium |
| Gallinas Mountains Mining District | Southwest | New Mexico | Magmatic REE | Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; gold; iron; lead; silver; thorium; uranium |
| Grants Uranium District | Southwest | New Mexico | Meteoric recharge | Sandstone uranium | molybdenum; uranium |
| Grants Uranium District-Todilto | Southwest | New Mexico | Meteoric recharge | Carbonate uranium | crushed stone; high-Ca limestone; uranium |
| Hansonburg district | Southwest | New Mexico | Hybrid magmatic REE / basin brine path | Fluorspar | copper; lead; silver |
| Honeycomb Hills | Southwest | Utah | Climax-type | Fluorspar; Volcanogenic beryllium | copper; gold; lead; silver; uranium |
| Humboldt Mafic Complex | Southwest | Nevada | IOA-IOCG | Iron oxide apatite; Iron oxide copper gold; Polymetallic sulfide S-R-V | copper; iron; gold; lead; molybdenum; selenium; silver; uranium |
| Iron Axis | Southwest | Utah | IOA-IOCG | Skarn iron | iron; phosphorus |
| Jackson Mountains | Southwest | Nevada | IOA-IOCG | Iron oxide apatite | iron |
| Jurassic Arc | Southwest | California; Nevada | IOA-IOCG | Iron oxide apatite; Iron oxide copper gold | copper; gold; iron; silver; 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 |
| Lower Colorado River IOCG | Southwest | Arizona; California | IOA-IOCG | Iron oxide copper gold; Skarn iron | copper; gold; iron; phosphorus; selenium; uranium |
| Lower Mississippian (Osagean-Meramecian) Phosphate | Southwest | Utah | Marine chemocline | Phosphate | phosphate fertilizer; uranium |
| McDermitt Caldera | Southwest | Nevada; Oregon | Magmatic REE | Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; thorium; uranium; yttrium |
| Middle-Late Miocene Phosphate | Southwest | California | Marine chemocline | Phosphate | phosphate; uranium |
| Mogollon-Wilcox-Gila fluorite districts | Southwest | Arizona; New Mexico | Hybrid magmatic REE / basin brine path | Fluorspar | (none) |
| Mount Hope | Southwest | Nevada | Climax-type | Polymetallic sulfide S-R-V-IS; Porphyry molybdenum | copper; gold; lead; molybdenum; silver |
| Mount Wheeler mine area | Southwest | Nevada | Climax-type | Greisen; Greisen-S-R beryllium; Polymetallic sulfide S-R-V-IS | copper; gold; lead; molybdenum; silver |
| Mountain Pass | Southwest | California; Nevada | Magmatic REE | Carbonatite | copper; magnetite; phosphorus; uranium; vermiculite |
| 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 |
| Northwest Arizona and southwest Utah uranium breccia pipes | Southwest | Arizona; Utah | Basin brine path | Uranium (unconformity and breccia pipe) | copper; molybdenum; selenium; silver; uranium |
| Oreana mine area | Southwest | Nevada | Climax-type | Greisen; Greisen-S-R beryllium; Polymetallic sulfide S-R-V-IS | copper; gold; lead; molybdenum; silver |
| Pajarito Mountain | Southwest | New Mexico | Magmatic REE | Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; iron; thorium; uranium; yttrium |
| Palm Park (Rincon district) | Southwest | New Mexico | Hybrid magmatic REE / basin brine path | Fluorspar | (none) |
| Petaca placers | Southwest | New Mexico | Placer | Columbite/tantalite; Monazite/xenotime; Zircon | thorium; yttrium |
| Pine Grove-Blawn Mountain-Broken Ridge-Pink Knolls | Southwest | Utah | Climax-type | Lithocap alunite; Lithocap kaolinite; Polymetallic sulfide S-R-V-IS; Porphyry molybdenum | copper; gold; lead; molybdenum; silver; uranium |
| Red Basin-Riley | Southwest | New Mexico | Meteoric recharge | Sandstone uranium | molybdenum; selenium; uranium |
| Round Top | Southwest | Texas | Magmatic REE | Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; thorium; uranium; yttrium |
| San Gabriel Mountains anorthosite | Southwest | California | Mafic magmatic | Iron-titanium oxide | iron; phosphorus |
| Sheeprock or Columbia-East Erickson | Southwest | Utah | Climax-type | Greisen; Greisen-S-R beryllium; Polymetallic sulfide S-R-V-IS | copper; gold; lead; molybdenum; silver; uranium |
| Southwest Laramide Porphyry Belt | Southwest | Arizona; New Mexico | Porphyry Cu-Mo-Au | Greisen; Lithocap alunite; Polymetallic sulfide S-R-V-IS; Porphyry/skarn copper; Porphyry/skarn molybdenum | cadmium; copper; gold; lead; molybdenum; silver; sulfuric acid; uranium |
| Spor Mountain | Southwest | Utah | Climax-type | Fluorspar; Volcanogenic beryllium; Volcanogenic uranium | lead; molybdenum; silver; uranium |
| Texas Coastal Plain uranium | Southwest | Arkansas; Louisiana; Texas | Meteoric recharge | Sandstone uranium | uranium |
| 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 |
| Texas-New Mexico alkaline belt | Southwest | New Mexico; Texas | Climax-type | Porphyry molybdenum | molybdenum |
| Tintic-Deep Creek belt | Southwest | Nevada; Utah | Porphyry Cu-Mo-Au | Distal disseminated silver-gold; Greisen; High sulfidation gold-silver; Lithocap alunite, Lithocap kaolinite; Polymetallic sulfide S-R-V-IS; Porphyry/skarn copper; R-V manganese; S-R-V tungsten | cadmium; copper; gold; halloysite clay; iron; lead; molybdenum; silver; uranium; zeolite |
| Tintic-Deep Creek belt | Southwest | Nevada; Utah | Climax-type | Distal disseminated silver-gold; Fluorspar; Greisen; Greisen-S-R beryllium; Lithocap alunite, Lithocap kaolinite; Pegmatite NYF; Polymetallic sulfide S-R-V-IS; Volcanogenic beryllium; Volcanogenic uranium | cadmium; copper; gold; halloysite clay; iron; lead; molybdenum; silver; uranium; zeolite |
| Toiyabe Peaks | Southwest | Nevada | Magmatic REE | Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; thorium; uranium; yttrium |
| Tortugas Mountains | Southwest | New Mexico | Hybrid magmatic REE / basin brine path | Fluorspar | (none) |
| Uinta Basin | Southwest | Utah | Meteoric recharge | Sandstone uranium | copper; molybdenum; uranium |
| Victorio Mining District | Southwest | New Mexico | Climax-type | Polymetallic sulfide S-R-V-IS; Porphyry molybdenum; Skarn molybdenum | copper; gold; lead; molybdenum; silver |
| Wind Mountain (Cornudas Mountains) | Southwest | New Mexico | Magmatic REE | Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; thorium; uranium; yttrium |
| Zuni Mountains fluorspar | Southwest | New Mexico | Hybrid magmatic REE / basin brine path | Fluorspar | (none) |