41 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) |
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) |
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 |
Birch Creek | Southwest | California | Porphyry Sn (granite-related) | Greisen; Pegmatite LCT | copper; gold; lead; silver |
Cal Blue Mine | Southwest | California | Porphyry Sn (granite-related) | Pegmatite LCT | (none) |
Peninsular Ranges pegmatites | Southwest | California | Porphyry Sn (granite-related) | Pegmatite LCT | boron |
Rociada | Southwest | New Mexico | Porphyry Sn (granite-related) | Pegmatite LCT | (none) |
White Picacho | Southwest | Arizona | Porphyry Sn (granite-related) | Pegmatite LCT | copper; feldspar; gold; lead; mica; molybdenum; silver |