87 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 Sn-W | Alaska | Alaska | Porphyry Sn (granite-related) | Greisen; Pegmatite LCT; Porphyry/skarn | molybdenum |
| 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 Sn-W | Alaska | Alaska | Porphyry Sn (granite-related) | Greisen; Pegmatite LCT; Porphyry/skarn | molybdenum |
| Porcupine River Sn-W | Alaska | Alaska | Porphyry Sn (granite-related) | Greisen; Pegmatite LCT; Porphyry/skarn | molybdenum |
| 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 | Porphyry Sn (granite-related) | Pegmatite LCT; Porphyry/skarn | (none) |
| 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 | Porphyry Sn (granite-related) | Pegmatite LCT | (none) |
| 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) |
| Williston Basin potash | North Central | Montana; North Dakota | Basin brine path | Basin brine | bromine; iodine; petroleum; salt |
| Brunswick pegmatite field | Northeast | Maine | Porphyry Sn (granite-related) | Pegmatite LCT | feldspar; mica |
| Connecticut pegmatites | Northeast | Connecticut | Porphyry Sn (granite-related) | Pegmatite LCT | feldspar; gold; mica; silver |
| Cranberry Islands tuff | Northeast | Maine | Climax-type | Volcanogenic beryllium | uranium |
| 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 |
| 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 |
| Topsham pegmatite district | Northeast | Maine | Porphyry Sn (granite-related) | Pegmatite LCT | feldspar; gems; gold; mica; silver |
| Traveler Rhyolite | Northeast | Maine | Climax-type | Volcanogenic beryllium | uranium |
| Lakeview | Northwest | Oregon | Climax-type | Volcanogenic uranium | uranium |
| Latah County beryllium | Northwest | Idaho | Reduced intrusion-related | Pegmatite LCT | (none) |
| NW Idaho-NE Washington beryllium | Northwest | Idaho; Washington | Porphyry Sn (granite-related) | Pegmatite LCT | (none) |
| Philips Lake | Northwest | Washington | Porphyry Sn (granite-related) | Pegmatite LCT | (none) |
| Southeast Oregon lithium | Northwest | Idaho; Nevada; Oregon | Lacustrine evaporite | Lithium clay; Residual brine | borax; boric acid; bromine; iodine; salt; soda ash; sodium sulfate |
| Washington-Idaho clay | Northwest | Idaho; Washington | Chemical weathering | Clay | (none) |
| Brown Derby | Rocky Mountains | Colorado | Porphyry Sn (granite-related) | Pegmatite LCT | mica |
| 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 |
| 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 |
| 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 |
| Meyers Ranch | Rocky Mountains | Colorado | Porphyry Sn (granite-related) | Pegmatite LCT | feldspar; mica; thorium; uranium |
| 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 | Chemical weathering | Clay | (none) |
| Alabama pegmatite zone | Southeast | Alabama | Porphyry Sn (granite-related) | Pegmatite LCT | (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 fireclays | Southeast | North Carolina; South Carolina | Chemical weathering | Clay | ilmenite; iron; monazite |
| North Carolina pegmatite zone | Southeast | North Carolina; Tennessee | Porphyry Sn (granite-related) | Pegmatite LCT | (none) |
| South Carolina/Georgia kaolin deposits | Southeast | Georgia; South Carolina | Chemical weathering | Clay | ilmenite; iron; monazite |
| 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 |
| Arizona and New Mexico lithium | Southwest | Arizona; New Mexico | Lacustrine evaporite | Lithium clay; Residual brine | borax; boric acid; bromine; iodine |
| Birch Creek | Southwest | California | Porphyry Sn (granite-related) | Greisen; Pegmatite LCT | copper; gold; lead; silver |
| 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 |
| Cal Blue Mine | Southwest | California | Porphyry Sn (granite-related) | Pegmatite LCT | (none) |
| California lithium and potash | Southwest | California; Nevada | Lacustrine evaporite | Lithium clay; Residual brine | borax; boric acid; bromine; iodine; salt; soda ash; sodium sulfate |
| Clayton Valley-Rhyolite Ridge lithium | Southwest | California; Nevada | Lacustrine evaporite | Lithium clay; Residual brine | borax; boric acid; bromine; iodine; salt; soda ash; sodium sulfate |
| Date Creek Basin | Southwest | Arizona | Climax-type | Volcanogenic uranium | uranium |
| Golconda Mining District | Southwest | Nevada | Lacustrine evaporite | Residual brine | borax; boric acid; bromine; iodine; salt; soda ash; sodium sulfate |
| 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 |
| Lake Mead/Muddy lithium | Southwest | Arizona; Nevada | Lacustrine evaporite | Lithium clay; Residual brine | borax; boric acid; bromine; iodine; salt; soda ash; sodium sulfate |
| 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 |
| McDermitt Caldera | Southwest | Nevada; Oregon | Lacustrine evaporite | Lithium clay; Residual brine | borax; boric acid; bromine; iodine; salt; soda ash; sodium sulfate |
| McDermitt Caldera | Southwest | Nevada; Oregon | Climax-type | Lithocap alunite; Volcanogenic uranium | uranium |
| Mount Wheeler mine area | Southwest | Nevada | Climax-type | Greisen; Greisen-S-R beryllium; Polymetallic sulfide S-R-V-IS | copper; gold; lead; molybdenum; silver |
| Nevada lithium | Southwest | California; Nevada; Oregon | Lacustrine evaporite | Lithium clay; Residual brine | borax; boric acid; bromine; iodine; salt; soda ash; sodium sulfate |
| Oreana mine area | Southwest | Nevada | Climax-type | Greisen; Greisen-S-R beryllium; Polymetallic sulfide S-R-V-IS | copper; gold; lead; molybdenum; silver |
| Paradox Basin brine | Southwest | Colorado; Utah | Basin brine path | Basin brine | bromine; iodine; petroleum; salt |
| Peninsular Ranges pegmatites | Southwest | California | Porphyry Sn (granite-related) | Pegmatite LCT | boron |
| Rociada | Southwest | New Mexico | Porphyry Sn (granite-related) | Pegmatite LCT | (none) |
| 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 |
| Spor Mountain | Southwest | Utah | Climax-type | Fluorspar; Volcanogenic beryllium; Volcanogenic uranium | lead; molybdenum; silver; uranium |
| Teels Marsh | Southwest | Nevada | Lacustrine evaporite | Lithium clay; Residual brine | borax; boric acid; bromine; iodine; salt; soda ash; sodium sulfate |
| 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 |
| Topaz Mountain | Southwest | Utah | Climax-type | Volcanogenic beryllium; Volcanogenic uranium | uranium; zeolite |
| Virgin Valley Caldera | Southwest | Nevada | Climax-type | Volcanogenic uranium | mercury; uranium |
| West central Arizona lithium | Southwest | Arizona | Lacustrine evaporite | Lithium clay | (none) |
| White Basin | Southwest | Nevada | Lacustrine evaporite | Lithium clay; Residual brine | borax; boric acid; bromine; iodine; salt; soda ash; sodium sulfate |
| White Picacho | Southwest | Arizona | Porphyry Sn (granite-related) | Pegmatite LCT | copper; feldspar; gold; lead; mica; molybdenum; silver |