20 focus areas match these criteria.
| Focus area | Region | States | Mineral Systems | Deposit types | Commodities |
|---|---|---|---|---|---|
| Connecticut pegmatites | Northeast | Connecticut | 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 |
| Brown Derby | Rocky Mountains | Colorado | Porphyry Sn (granite-related) | Pegmatite LCT | mica |
| Kings Mountain pegmatite district | Southeast | North Carolina; South Carolina | Porphyry Sn (granite-related) | Pegmatite LCT | (none) |
| Arizona and New Mexico lithium | Southwest | Arizona; New Mexico | Lacustrine evaporite | Lithium clay; Residual brine | borax; boric acid; bromine; iodine |
| 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 |
| 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 |
| McDermitt Caldera | Southwest | Nevada; Oregon | Lacustrine evaporite | Lithium clay; Residual brine | borax; boric acid; bromine; iodine; salt; soda ash; sodium sulfate |
| New Mexico Proterozoic alkaline rocks and pegmatites | Southwest | New Mexico | Magmatic REE | Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; thorium; uranium; yttrium |
| 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 |
| Texas-New Mexico alkaline belt | Southwest | New Mexico; Texas | Magmatic REE | Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; gold; iron; lead; silver; thorium; uranium |
| West central Arizona lithium | Southwest | Arizona | Lacustrine evaporite | Lithium clay | (none) |
| White Picacho | Southwest | Arizona | Porphyry Sn (granite-related) | Pegmatite LCT | copper; feldspar; gold; lead; mica; molybdenum; silver |