158 focus areas match these criteria.
| Focus area | Region | States | Mineral Systems | Deposit types | Commodities |
|---|---|---|---|---|---|
| Central Brooks Range Sn-W | Alaska | Alaska | Porphyry Sn (granite-related) | Greisen; Pegmatite LCT; Porphyry/skarn | molybdenum |
| Darby-Hogatza REE | Alaska | Alaska | Magmatic REE | Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; thorium; uranium; yttrium |
| Darby-Hogatza Sn-W | Alaska | Alaska | Porphyry Sn (granite-related) | Greisen; Pegmatite LCT; Porphyry/skarn | molybdenum |
| Kokrines-Hodzana REE | Alaska | Alaska | Magmatic REE | Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; lead; molybdenum; silver; thorium; uranium; yttrium |
| Kokrines-Hodzana Sn-W | Alaska | Alaska | Porphyry Sn (granite-related) | Greisen; Pegmatite LCT; Porphyry/skarn | molybdenum |
| Kuskokwim-White Mountains Sn-W | Alaska | Alaska | Porphyry Sn (granite-related) | Greisen; Pegmatite LCT; Porphyry/skarn | molybdenum |
| Lost River-Kougarok Sn-W | Alaska | Alaska | Porphyry Sn (granite-related) | Greisen; Pegmatite LCT; Porphyry/skarn | molybdenum |
| Northern Alaska Range REE | Alaska | Alaska | Magmatic REE | Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; thorium; uranium; yttrium |
| Northern Alaska Range Sn-W | Alaska | Alaska | Porphyry Sn (granite-related) | Greisen; Pegmatite LCT; Porphyry/skarn | molybdenum |
| Porcupine River REE | Alaska | Alaska | Magmatic REE | Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; phosphate; thorium; uranium; yttrium |
| Porcupine River Sn-W | Alaska | Alaska | Porphyry Sn (granite-related) | Greisen; Pegmatite LCT; Porphyry/skarn | molybdenum |
| 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 |
| Yukon-Tanana Sn-W | Alaska | Alaska | Porphyry Sn (granite-related) | Greisen; Pegmatite LCT; Porphyry/skarn | molybdenum |
| Animikie Red Ace Pegmatite | North Central | Wisconsin | Porphyry Sn (granite-related) | Pegmatite LCT | (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 |
| Archean gneiss terranes | North Central | Iowa; Michigan; Minnesota; Nebraska; South Dakota; Wisconsin | Porphyry Sn (granite-related) | Pegmatite LCT; Porphyry/skarn | (none) |
| Humboldt Granite | North Central | Michigan | Porphyry Sn (granite-related) | Porphyry/skarn | (none) |
| Humboldt Granite | North Central | Michigan | Magmatic REE | Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; thorium; uranium; yttrium |
| Minnesota Quetico Province | North Central | Minnesota; North Dakota | Porphyry Sn (granite-related) | Pegmatite LCT; Porphyry/skarn | (none) |
| 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 |
| Neoarchean Greenstone Belts of Minnesota, North Dakota and South Dakota | North Central | Minnesota; North Dakota; South Dakota | Porphyry Sn (granite-related) | Pegmatite LCT | (none) |
| Northeast Iowa intrusive complex (NEIIC) | North Central | Iowa; Minnesota; Wisconsin | Magmatic REE | Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; thorium; uranium; yttrium |
| Southern Black Hills pegmatites | North Central | South Dakota | Porphyry Sn (granite-related) | Pegmatite LCT | feldspar; mica |
| Southern Complex pegmatites | North Central | Michigan | Porphyry Sn (granite-related) | Pegmatite LCT | (none) |
| 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 |
| Brunswick pegmatite field | Northeast | Maine | Porphyry Sn (granite-related) | Pegmatite LCT | feldspar; mica |
| Catoctin Formation metavolcanics in Maryland | Northeast | Maryland | Magmatic REE | Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; thorium; uranium; yttrium |
| Connecticut pegmatites | Northeast | Connecticut | Porphyry Sn (granite-related) | Pegmatite LCT | feldspar; gold; mica; silver |
| Cranberry Islands tuff | Northeast | Maine | Climax-type | Volcanogenic beryllium | uranium |
| Eastern Piedmont Devonian granitoids | Northeast | Maryland | Magmatic REE | Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; thorium; uranium; yttrium |
| Grafton Pegmatite District | Northeast | New Hampshire | Porphyry Sn (granite-related) | Pegmatite LCT | feldspar; gold; mica; silver |
| Keene Pegmatite District | Northeast | New Hampshire | Porphyry Sn (granite-related) | Pegmatite LCT | feldspar; gold; mica; silver |
| Knox Mountain pluton | Northeast | Vermont | Porphyry Sn (granite-related) | Porphyry/skarn | (none) |
| Lewiston area metasediments | Northeast | Maine | Porphyry Sn (granite-related) | Porphyry/skarn | (none) |
| Litchfield syenite | Northeast | Maine | Magmatic REE | Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; thorium; uranium; yttrium |
| Massachusetts pegmatite | Northeast | Massachusetts | Porphyry Sn (granite-related) | Pegmatite LCT | feldspar; mica |
| Oxford County pegmatite field | Northeast | Maine; New Hampshire | Porphyry Sn (granite-related) | Pegmatite LCT | feldspar |
| Parker Mountain pegmatite | Northeast | New Hampshire | Porphyry Sn (granite-related) | Pegmatite LCT | feldspar; mica |
| Raymond Pegmatite District | Northeast | New Hampshire | Porphyry Sn (granite-related) | Pegmatite LCT | feldspar; mica |
| Tin in Eastern Maine | Northeast | Maine | Porphyry Sn (granite-related) | Greisen | (none) |
| Topsham pegmatite district | Northeast | Maine | Porphyry Sn (granite-related) | Pegmatite LCT | feldspar; gems; gold; mica; silver |
| Topsham tungsten | Northeast | Maine | Porphyry Sn (granite-related) | Porphyry/skarn | (none) |
| Traveler Rhyolite | Northeast | Maine | Climax-type | Volcanogenic beryllium | uranium |
| Western Maine scheelite | Northeast | Maine | Porphyry Sn (granite-related) | Porphyry/skarn | (none) |
| White Mountains pegmatites | Northeast | Maine; New Hampshire | Climax-type | Pegmatite NYF | feldspar; mica; yttrium |
| York County scheelite | Northeast | Maine; New Hampshire | Porphyry Sn (granite-related) | Porphyry/skarn | lead; molybdenum; silver |
| 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 |
| Butte pegmatite belt | Northwest | Montana | Climax-type | Pegmatite NYF | copper; lead; silver; yttrium |
| Castle stock | Northwest | Montana | Magmatic REE | Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; thorium; uranium; yttrium |
| Clearwater County beryllium | Northwest | Idaho | Climax-type | Pegmatite NYF | yttrium |
| Crazy Mountain Volcanics | Northwest | Montana | Magmatic REE | Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; gold; iron; lead; silver; thorium; uranium; yttrium |
| Golden Horn batholith | Northwest | Washington | Climax-type | Pegmatite NYF | 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 |
| Lakeview | Northwest | Oregon | Climax-type | Volcanogenic uranium | uranium |
| Latah County beryllium | Northwest | Idaho | Reduced intrusion-related | Pegmatite LCT | (none) |
| 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 |
| Moccasin Mountains | Northwest | Montana | Magmatic REE | Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; thorium; uranium; yttrium |
| NW Idaho-NE Washington beryllium | Northwest | Idaho; Washington | Porphyry Sn (granite-related) | Pegmatite LCT | (none) |
| O'Toole Mountain | Northwest | Washington | Climax-type | Porphyry molybdenum; Skarn molybdenum | molybdenum |
| Philips Lake | Northwest | Washington | Porphyry Sn (granite-related) | Pegmatite LCT | (none) |
| Roaring River beryllium | Northwest | Idaho | Climax-type | Pegmatite NYF | yttrium |
| Sawtooth batholith | Northwest | Idaho | Climax-type | Pegmatite NYF | lead; molybdenum; silver; yttrium |
| Silver Hill tin | Northwest | Washington | Porphyry Sn (granite-related) | Porphyry/skarn | lead; silver |
| 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 |
| Blue Butte, Bonus Extension Group, Mica-Beryl Mine, Rock King Prospect, Silver Rocker Group | Rocky Mountains | Colorado | Climax-type | Pegmatite NYF | yttrium |
| Boomer, Redskin Granite | Rocky Mountains | Colorado | Climax-type | Greisen S-R beryllium | copper; iron; lead; molybdenum |
| 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 |
| Climax Mica Lode, Lower South Mine, Rose Dawn Mine, Star Girl Mine, Upper South Mine | Rocky Mountains | Colorado | Climax-type | Pegmatite NYF | yttrium |
| Climax-Sweet Home | Rocky Mountains | Colorado | Climax-type | Greisen; Polymetallic sulfide S-R-V-IS; Porphyry molybdenum | copper; gold; lead; molybdenum; silver |
| Cochetopa | Rocky Mountains | Colorado | Climax-type | Volcanogenic uranium | uranium |
| Copper Mountain | Rocky Mountains | Wyoming | Porphyry Sn (granite-related) | Greisen; High sulfidation; Pegmatite LCT; Porphyry/skarn | copper; gold; silver |
| Crystal Mountain pegmatites | Rocky Mountains | Colorado | Climax-type | Greisen; Pegmatite NYF | feldspar; mica; molybdenum; uranium; yttrium |
| Eight Mile Park district | Rocky Mountains | Colorado | Climax-type | Pegmatite NYF | feldspar; mica; quartz; yttrium |
| Marshall Pass | Rocky Mountains | Colorado | Climax-type | Volcanogenic uranium | uranium |
| Medicine Bow Mountains | Rocky Mountains | Colorado; Wyoming | Magmatic REE | Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; 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 |
| Sierra Madre | Rocky Mountains | Colorado; Wyoming | Magmatic REE | Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; thorium; uranium; vermiculite; 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 |
| Winfield Peak-Antero | Rocky Mountains | Colorado | Climax-type | Pegmatite NYF; Porphyry molybdenum | gold; molybdenum; silver; yttrium |
| 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 |
| Alabama pegmatite zone | Southeast | Alabama | Porphyry Sn (granite-related) | Pegmatite LCT | (none) |
| Irish Creek Tin District | Southeast | Virginia | Porphyry Sn (granite-related) | Greisen | (none) |
| Kings Mountain pegmatite district | Southeast | North Carolina; South Carolina | Porphyry Sn (granite-related) | Pegmatite LCT | (none) |
| Little Friar Mountain pegmatite | Southeast | Virginia | Porphyry Sn (granite-related) | Pegmatite LCT | (none) |
| North Carolina pegmatite zone | Southeast | North Carolina; Tennessee | Porphyry Sn (granite-related) | Pegmatite LCT | (none) |
| Spruce Pine Area | Southeast | North Carolina | Porphyry Sn (granite-related) | Pegmatite LCT | feldspar; high purity quartz; mica |
| Virginia pegmatite zone-Amelia County | Southeast | Virginia | Porphyry Sn (granite-related) | Pegmatite LCT | feldspar; high purity quartz; mica |
| Zirconia Pegmatite Mining District | Southeast | North Carolina; South Carolina | Porphyry Sn (granite-related) | Pegmatite LCT | feldspar |
| Apache Warm Springs (Ojo Caliente No. 2 district) | Southwest | New Mexico | Climax-type | Fluorspar; Volcanogenic beryllium | copper; gold; lead; silver; uranium |
| New Mexico Tertiary alkaline rocks and REE veins | Southwest | New Mexico | Magmatic REE | Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; thorium; uranium; yttrium |
| Big Bend alkaline rocks | Southwest | Texas | Hybrid magmatic REE / basin brine path | Fluorspar | lead; silver |
| Birch Creek | Southwest | California | Porphyry Sn (granite-related) | Greisen; Pegmatite LCT | copper; gold; lead; silver |
| Burro Mountains | Southwest | New Mexico | Hybrid magmatic REE / basin brine path | Fluorspar | (none) |
| Cal Blue Mine | Southwest | California | Porphyry Sn (granite-related) | Pegmatite LCT | (none) |
| Central Texas pegmatites | Southwest | Texas | Climax-type | Pegmatite NYF | feldspar; yttrium |
| Cooks Range-Fluorite Ridge fluorite-manganese | Southwest | New Mexico | Hybrid magmatic REE / basin brine path | Fluorspar | molybdenum |
| Date Creek Basin | Southwest | Arizona | Climax-type | Volcanogenic uranium | uranium |
| Gallinas Mountains Mining District | Southwest | New Mexico | Magmatic REE | Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; gold; iron; lead; silver; thorium; uranium |
| Gold Hill Mining District | Southwest | Utah | Alkalic porphyry | Distal disseminated silver-gold; Low sulfidation | gold; silver |
| Granite Peak district | Southwest | Utah | Climax-type | Fluorspar; Greisen; Pegmatite NYF | lead; molybdenum; silver; yttrium |
| 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 |
| Hopi Buttes | Southwest | Arizona | Climax-type | Volcanogenic uranium | uranium |
| Iron Mountain (Sierra Cuchillo) | Southwest | New Mexico | Climax-type | Greisen; Greisen-S-R beryllium; Volcanogenic beryllium | copper; gold; iron; lead; silver; uranium |
| La Paz | Southwest | Arizona | Magmatic REE | Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; thorium; uranium; yttrium |
| Marysvale | Southwest | Utah | Climax-type | Fluorspar; Lithocap alunite; Polymetallic sulfide S-R-V-IS; Porphyry molybdenum; Volcanogenic uranium | copper; gold; lead; molybdenum; silver; uranium |
| Marysvale-Pioche belt | Southwest | Nevada; Utah | Climax-type | Distal disseminated silver-gold; Fluorspar; High sulfidation; Lithocap alunite; Lithocap kaolinite; Polymetallic sulfide S-R-V-IS; Volcanogenic uranium | copper; gold; lead; silver; uranium |
| Marysvale-Pioche belt | Southwest | Nevada; Utah | Porphyry Cu-Mo-Au | Distal disseminated silver-gold; High sulfidation gold-silver; Lithocap alunite; Lithocap kaolinite; Polymetallic sulfide S-R-V-IS; Porphyry/skarn copper; Porphyry/skarn molybdenum; R-V manganese; S-R-V tungsten | copper; gold; lead; silver; uranium |
| McCullough Butte | Southwest | Nevada | Climax-type | Fluorspar; Greisen; Greisen-S-R beryllium | molybdenum |
| McDermitt Caldera | Southwest | Nevada; Oregon | Climax-type | Lithocap alunite; Volcanogenic uranium | uranium |
| McDermitt Caldera | Southwest | Nevada; Oregon | Magmatic REE | Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; thorium; uranium; yttrium |
| 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 |
| 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 Proterozoic alkaline rocks and pegmatites | Southwest | New Mexico | Magmatic REE | Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; thorium; uranium; yttrium |
| 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) |
| Park City-Gold Hill belt | Southwest | Utah | Climax-type | Fluorspar; Greisen; Polymetallic sulfide S-R-V-IS | copper; gold; lead; molybdenum; silver; uranium |
| Peninsular Ranges pegmatites | Southwest | California | Porphyry Sn (granite-related) | Pegmatite LCT | boron |
| 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 |
| Rociada | Southwest | New Mexico | Porphyry Sn (granite-related) | Pegmatite LCT | (none) |
| Round Top | Southwest | Texas | Magmatic REE | Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; thorium; uranium; yttrium |
| Saddleback Mountain-Goat Camp (and Steeple Rock district) | Southwest | Arizona; New Mexico | Climax-type | Fluorspar; High sulfidation; Lithocap alunite; Polymetallic sulfide S-R-V-IS | copper; gold; lead; silver |
| 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 |
| Spor Mountain | Southwest | Utah | Climax-type | Fluorspar; Volcanogenic beryllium; Volcanogenic uranium | lead; molybdenum; silver; 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 |
| 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 |
| Topaz Mountain | Southwest | Utah | Climax-type | Volcanogenic beryllium; Volcanogenic uranium | uranium; zeolite |
| Tortugas Mountains | Southwest | New Mexico | Hybrid magmatic REE / basin brine path | Fluorspar | (none) |
| Trinity Range-Kamma Mountains | Southwest | Nevada | Climax-type | Porphyry molybdenum | molybdenum |
| Trout Creek district | Southwest | Utah | Climax-type | Greisen; Pegmatite NYF; Polymetallic sulfide S-R-V-IS | gold; lead; molybdenum; silver; yttrium |
| Victorio Mining District | Southwest | New Mexico | Climax-type | Polymetallic sulfide S-R-V-IS; Porphyry molybdenum; Skarn molybdenum | copper; gold; lead; molybdenum; silver |
| Virgin Valley Caldera | Southwest | Nevada | Climax-type | Volcanogenic uranium | mercury; uranium |
| White Picacho | Southwest | Arizona | Porphyry Sn (granite-related) | Pegmatite LCT | copper; feldspar; gold; lead; mica; 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) |