57 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 |
| 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 |
| 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 |
| Brown Derby | Rocky Mountains | Colorado | Porphyry Sn (granite-related) | Pegmatite LCT | mica |
| Copper Mountain | Rocky Mountains | Wyoming | Porphyry Sn (granite-related) | Greisen; High sulfidation; Pegmatite LCT; Porphyry/skarn | copper; gold; silver |
| Meyers Ranch | Rocky Mountains | Colorado | Porphyry Sn (granite-related) | Pegmatite LCT | feldspar; mica; thorium; uranium |
| 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 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 |
| 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 |
| 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 |
| McDermitt Caldera | Southwest | Nevada; Oregon | Lacustrine evaporite | Lithium clay; Residual brine | borax; boric acid; bromine; iodine; salt; soda ash; sodium sulfate |
| Nevada lithium | Southwest | California; Nevada; Oregon | Lacustrine evaporite | Lithium clay; Residual brine | borax; boric acid; bromine; iodine; salt; soda ash; sodium sulfate |
| 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 |
| 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 |
| White Picacho | Southwest | Arizona | Porphyry Sn (granite-related) | Pegmatite LCT | copper; feldspar; gold; lead; mica; molybdenum; silver |