19 focus areas match these criteria.
| Focus area | Region | States | Mineral Systems | Deposit types | Commodities |
|---|---|---|---|---|---|
| Southern Black Hills pegmatites | North Central | South Dakota | Porphyry Sn (granite-related) | Pegmatite LCT | feldspar; mica |
| 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 |
| 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 |
| White Mountains pegmatites | Northeast | Maine; New Hampshire | Climax-type | Pegmatite NYF | feldspar; mica; yttrium |
| 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 |
| 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 |
| Meyers Ranch | Rocky Mountains | Colorado | Porphyry Sn (granite-related) | Pegmatite LCT | feldspar; mica; thorium; uranium |
| Kansas Lamproite | South Central | Kansas | Magmatic REE | Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; mica; thorium; uranium; yttrium |
| 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 |
| White Picacho | Southwest | Arizona | Porphyry Sn (granite-related) | Pegmatite LCT | copper; feldspar; gold; lead; mica; molybdenum; silver |