362 focus areas match these criteria.
| Focus area | Region | States | Mineral Systems | Deposit types | Commodities |
|---|---|---|---|---|---|
| Alaska Peninsula-Aleutian Range Gold | Alaska | Alaska | Reduced intrusion-related | Gold | gold; silver |
| Alaska Peninsula-Aleutian Range PCD | Alaska | Alaska | Porphyry Cu-Mo-Au | Porphyry/skarn copper | copper; gold; lead; molybdenum; selenium; silver; uranium |
| Central Alaska PCD | Alaska | Alaska | Porphyry Cu-Mo-Au | Porphyry/skarn copper | copper; gold; lead; molybdenum; selenium; silver; uranium |
| Central Alaska-Seward Peninsula Gold | Alaska | Alaska | Reduced intrusion-related | Gold | gold; silver |
| Central Alaska-Seward Peninsula Gold | Alaska | Alaska | Orogenic | Gold | gold; silver |
| Central Seward Peninsula | Alaska | Alaska | Volcanogenic seafloor | Copper-zinc sulfide; Polymetallic sulfide; Zinc-copper sulfide | copper; gold; lead; silver |
| Chugach Mountains-Kodiak Island PGE | Alaska | Alaska | Mafic magmatic | Chromite; Nickel-copper-PGE sulfide | copper; gold; selenium; silver |
| Chugach Range Gold | Alaska | Alaska | Orogenic | Gold | gold; silver |
| Chugach Range Gold | Alaska | Alaska | Reduced intrusion-related | Gold | gold; silver |
| Coast Mountain Belt | Alaska | Alaska | Volcanogenic seafloor | Copper-zinc sulfide; Polymetallic sulfide | copper; gold; lead; silver |
| Eastern Alaska Range | Alaska | Alaska | Volcanogenic seafloor | Barite; Copper-zinc sulfide; Polymetallic sulfide; Zinc-copper sulfide | copper; gold; lead; silver |
| Eastern Alaska Range (Alexandria-Wrangellia Terrane) PCD | Alaska | Alaska | Porphyry Cu-Mo-Au | Porphyry/skarn copper | copper; gold; lead; molybdenum; selenium; silver; uranium |
| Eastern Alaska Range-Talkeetna Mountains Gold | Alaska | Alaska | Reduced intrusion-related | Gold | gold; silver |
| Eastern Alaska Range-Talkeetna Mountains Gold | Alaska | Alaska | Orogenic | Gold | gold; silver |
| Eastern Brooks Range-Old Crow Gold | Alaska | Alaska | Orogenic | Gold | gold; silver |
| Eastern Brooks Range-Old Crow Gold | Alaska | Alaska | Reduced intrusion-related | Gold | gold; silver |
| Eastern Brooks Range-Old Crow PCD | Alaska | Alaska | Porphyry Cu-Mo-Au | Porphyry/skarn copper | copper; gold; lead; molybdenum; selenium; silver; uranium |
| Eastern Interior | Alaska | Alaska | Volcanogenic seafloor | Copper-zinc sulfide; Polymetallic sulfide; Zinc-copper sulfide | copper; gold; lead; silver |
| Glacier Bay | Alaska | Alaska | Porphyry Cu-Mo-Au | Porphyry/skarn copper | copper; gold; lead; molybdenum; selenium; silver; uranium |
| Goodnews Bay (Kilbuk Terrane) PGE | Alaska | Alaska | Mafic magmatic | Chromite; Nickel-copper-PGE sulfide | copper; gold; selenium; silver |
| Johnson River | Alaska | Alaska | Volcanogenic seafloor | Polymetallic sulfide | copper; gold; lead; silver |
| Johnson River | Alaska | Alaska | Porphyry Cu-Mo-Au | Polymetallic sulfide S-R-V-IS | cadmium; copper; gold; lead; silver |
| Kasaan Peninsula (Prince of Wales Island) | Alaska | Alaska | IOA-IOCG | Iron oxide copper gold; Polymetallic sulfide S-R-V | copper; gold; iron; lead; molybdenum; silver |
| Kokrine Hills-Yukon Flats (Tozitna and Angayucham Terranes) PGE | Alaska | Alaska | Mafic magmatic | Chromite; Nickel-copper-PGE sulfide | copper; gold; selenium; silver |
| Kougruk Fault zone | Alaska | Alaska | Volcanogenic seafloor | Copper-zinc sulfide; Polymetallic sulfide; Zinc-copper sulfide | copper; gold; lead; silver |
| Kuskokwim Mountains Gold | Alaska | Alaska | Reduced intrusion-related | Gold | gold; silver |
| Kuskokwim Mountains PCD | Alaska | Alaska | Porphyry Cu-Mo-Au | Porphyry/skarn copper | copper; gold; lead; molybdenum; selenium; silver; uranium |
| Kuskokwim-White Mountains REE | Alaska | Alaska | Magmatic REE | Carbonatite | copper; gold; iron; magnetite; phosphorus; thorium; uranium; vermiculite; yttrium |
| Nome belt | Alaska | Alaska | Volcanogenic seafloor | Barite; Copper-zinc sulfide; Polymetallic sulfide; Zinc-copper sulfide | copper; gold; lead; silver |
| Northern Brooks Range | Alaska | Alaska | Volcanogenic seafloor | Barite; Copper-zinc sulfide; Polymetallic sulfide; Zinc-copper sulfide | copper; gold; lead; silver |
| Northern Brooks Range (Angayucham Terrane) PGE | Alaska | Alaska | Mafic magmatic | Chromite; Nickel-copper-PGE sulfide | copper; gold; selenium; silver |
| Placer Au | Alaska | Alaska | Placer | Cassiterite; Gold; Monazite/xenotime; PGE; Zircon | gold; thorium; yttrium |
| Placer Au and PGE | Alaska | Alaska | Placer | Cassiterite; Gold; Ilmenite/rutile/leucoxene; Monazite/xenotime; PGE; Zircon | gold; thorium; yttrium |
| Placer Au and Sn | Alaska | Alaska | Placer | Cassiterite; Gold; Monazite/xenotime; PGE; Zircon | gold; thorium; yttrium |
| Placer Au and Ti | Alaska | Alaska | Placer | Cassiterite; Gold; Ilmenite/rutile/leucoxene; Monazite/xenotime; PGE; Zircon | gold; thorium; yttrium |
| Placer PGE and Au | Alaska | Alaska | Placer | Cassiterite; Gold; Ilmenite/rutile/leucoxene; Monazite/xenotime; PGE; Zircon | gold; thorium; yttrium |
| Prince William Sound | Alaska | Alaska | Volcanogenic seafloor | Barite; Copper-zinc sulfide; Polymetallic sulfide; Zinc-copper sulfide | copper; gold; lead; silver |
| Seward Peninsula | Alaska | Alaska | Carlin-type | Gold | gold; mercury; silver |
| Seward Peninsula IOCG | Alaska | Alaska | IOA-IOCG | Iron oxide copper gold; Polymetallic sulfide S-R-V | copper; gold; iron; lead; molybdenum; silver |
| Seward Peninsula-St. Lawrence Island PCD | Alaska | Alaska | Porphyry Cu-Mo-Au | Porphyry/skarn copper | copper; gold; lead; molybdenum; selenium; silver; uranium |
| Seward Peninsula-St. Lawrence Island PorphMo-W | Alaska | Alaska | Alkalic porphyry | Porphyry/skarn copper-gold | copper; gold; molybdenum |
| Southeast Alaska VMS | Alaska | Alaska | Volcanogenic seafloor | Barite; Copper-zinc sulfide; Polymetallic sulfide; Zinc-copper sulfide | copper; gold; lead; silver |
| Southeast Alaska Fairweather trend PGE | Alaska | Alaska | Mafic magmatic | Chromite; Nickel-copper-PGE sulfide | copper; gold; selenium; silver |
| Southeast Alaska Orogenic Gold | Alaska | Alaska | Orogenic | Gold | gold; silver |
| Southeast Alaska PGE | Alaska | Alaska | Mafic magmatic | Chromite; Nickel-copper-PGE sulfide | copper; gold; selenium; silver |
| Southern Brooks Range (Angayucham Terrane) PGE | Alaska | Alaska | Mafic magmatic | Chromite; Nickel-copper-PGE sulfide | copper; gold; selenium; silver |
| Southern Brooks Range-Ambler | Alaska | Alaska | Volcanogenic seafloor | Barite; Copper-zinc sulfide; Polymetallic sulfide; Zinc-copper sulfide | copper; gold; lead; silver |
| Southern Prince of Wales Island PCD | Alaska | Alaska | Porphyry Cu-Mo-Au | Porphyry/skarn copper | copper; gold; lead; molybdenum; selenium; silver; uranium |
| Southern Talkeetna Mountains | Alaska | Alaska | Volcanogenic seafloor | Copper-zinc sulfide; Polymetallic sulfide; Zinc-copper sulfide | copper; gold; lead; silver |
| Talkeetna Mountains-Eastern Alaska Range PGE | Alaska | Alaska | Mafic magmatic | Chromite; Nickel-copper-PGE sulfide | copper; gold; selenium; silver |
| Western Alaska Range | Alaska | Alaska | Volcanogenic seafloor | Copper-zinc sulfide; Zinc-copper sulfide | copper; gold; lead; silver |
| Western Alaska Range Gold | Alaska | Alaska | Orogenic | Gold | gold; silver |
| Western Alaska Range Gold | Alaska | Alaska | Reduced intrusion-related | Gold | gold; silver |
| Western Alaska Range PCD | Alaska | Alaska | Porphyry Cu-Mo-Au | Porphyry/skarn copper | copper; gold; lead; molybdenum; selenium; silver; uranium |
| Yukon-Tanana Upland (Seventymile Terrane) PGE | Alaska | Alaska | Mafic magmatic | Chromite; Nickel-copper-PGE sulfide | copper; gold; selenium; silver |
| Yukon-Tanana Upland Gold | Alaska | Alaska | Orogenic | Gold | gold; silver |
| Yukon-Tanana Upland Gold | Alaska | Alaska | Reduced intrusion-related | Gold; Skarn copper-molybdenum-tungsten | copper; gold; molybdenum; silver |
| Yukon-Tanana Upland Porphyry | Alaska | Alaska | Porphyry Cu-Mo-Au | Porphyry/skarn copper; Porphyry/skarn molybdenum | copper; gold; lead; molybdenum; selenium; silver; uranium |
| Eastern Upper Peninsula mafic intrusion | North Central | Michigan | Mafic magmatic | Nickel-copper-PGE sulfide | copper; gold; selenium; silver |
| Mentor Intrusive Complex | North Central | Minnesota | Mafic magmatic | Nickel-copper-PGE sulfide | copper; gold; selenium; silver |
| Midcontinent Rift conduit-type magmatic sulfide Ni-Cu-PGE | North Central | Michigan; Minnesota; Wisconsin | Mafic magmatic | Nickel-copper-PGE sulfide | copper; gold; selenium; silver |
| Midcontinent Rift large mafic intrusions | North Central | Minnesota; Wisconsin | Mafic magmatic | Nickel-copper-PGE sulfide | copper; gold; selenium; silver |
| Midcontinent Rift mafic-ultramafic satellite intrusions | North Central | Michigan; Wisconsin | Mafic magmatic | Iron-titanium oxide; Nickel-copper-PGE sulfide | copper; gold; iron; phosphorus; selenium; silver |
| Midcontinent Rift oxide-ultramafic intrusions (OUIs) | North Central | Minnesota | Mafic magmatic | Iron-titanium oxide; Nickel-copper-PGE sulfide | copper; gold; iron; phosphorus; selenium; silver |
| Neoarchean Greenstone Belts of Minnesota, North Dakota and South Dakota | North Central | Minnesota; North Dakota; South Dakota | Mafic magmatic | Nickel-copper-PGE sulfide | copper; gold; selenium; silver |
| Neoarchean Greenstone Belts of Minnesota, North Dakota and South Dakota | North Central | Minnesota; North Dakota; South Dakota | Volcanogenic seafloor | Algoma iron; Copper-zinc sulfide; Polymetallic sulfide; Zinc-copper sulfide | copper; gold; iron; lead; silver |
| Neoarchean Greenstone Belts of Minnesota, North Dakota and South Dakota | North Central | Minnesota; North Dakota; South Dakota | Orogenic | Gold | gold; silver |
| Non-Midcontinent Rift mafic/ultramafic intrusions | North Central | Iowa; Michigan; Minnesota | Mafic magmatic | Iron-titanium oxide; Nickel-copper-PGE sulfide | copper; gold; iron; phosphorus; selenium; silver |
| Northeast Iowa intrusive complex (NEIIC) | North Central | Iowa; Minnesota; Wisconsin | Mafic magmatic | Nickel-copper-PGE sulfide | copper; gold; selenium; silver |
| Otter Creek complex and related Iowa intrusions | North Central | Iowa | Mafic magmatic | Nickel-copper-PGE sulfide | copper; gold; selenium; silver |
| Peavey Pond Complex | North Central | Michigan; Wisconsin | IOA-IOCG | Iron oxide apatite; Iron oxide copper gold | copper; gold; iron; selenium; uranium |
| Pembine-Wausau and Minnesota Paleoproterozoic | North Central | Michigan; Minnesota; Wisconsin | Volcanogenic seafloor | Barite; Manganese oxide (layers, crusts, nodules); Polymetallic sulfide; Zinc-copper sulfide | copper; gold; iron; lead; silver |
| Post-Penokean Geon 17 magmatic rocks | North Central | Iowa; Michigan; Minnesota; Wisconsin | IOA-IOCG | Iron oxide apatite; Iron oxide copper gold | copper; gold; iron; selenium; uranium |
| South Dakota mafic intrusions | North Central | Nebraska; South Dakota | Mafic magmatic | Nickel-copper-PGE sulfide | copper; gold; selenium; silver |
| Spencer Intrusive Complex | North Central | Iowa | IOA-IOCG | Iron oxide apatite; Iron oxide copper gold | copper; gold; iron; selenium; uranium |
| Upper Ordovician Phosphate (Rawtheyan and Richmondian) | North Central | Alabama; Iowa; Illinois; Indiana; Kentucky; Michigan; Minnesota; Missouri; Ohio; Oklahoma; Tennessee; Wisconsin | Marine chemocline | Black shale; Iron-manganese; Phosphate | copper; gold; iron; molybdenum; petroleum; phosphate fertilizer; stone coal; uranium |
| Walsh County gabbro | North Central | North Dakota | Mafic magmatic | Nickel-copper-PGE sulfide | copper; gold; selenium; silver |
| Western Upper Peninsula, IOCG | North Central | Michigan; Wisconsin | IOA-IOCG | Iron oxide apatite; Iron oxide copper gold | copper; gold; iron; selenium; uranium |
| Wolf River Batholith | North Central | Wisconsin | IOA-IOCG | Iron oxide apatite; Iron oxide copper gold | copper; gold; iron; selenium; uranium |
| Barrett-Big Hill mining area | Northeast | Maine | Volcanogenic seafloor | Polymetallic sulfide | copper; gold; lead; silver |
| Boil Mountain Complex | Northeast | Maine | Mafic magmatic | Chromite; Nickel-copper-PGE sulfide | asbestos; copper; gold; selenium; serpentinite; silver; talc |
| Bowers Mountain black shale | Northeast | Maine | Marine chemocline | Black shale | copper; gold; molybdenum; petroleum; stone coal; uranium |
| Callahan mine area | Northeast | Maine | Volcanogenic seafloor | Polymetallic sulfide | copper; gold; lead; silver |
| CAMP event-Newark-Gettysburg Basin | Northeast | Maryland; New Jersey; New York; Pennsylvania | Mafic magmatic | Nickel-copper-PGE sulfide | copper; gold; selenium; silver |
| Catheart pluton | Northeast | Maine | Porphyry Cu-Mo-Au | Porphyry/skarn copper; Porphyry/skarn molybdenum | copper; gold; molybdenum; silver; uranium |
| Catoctin Formation metavolcanics in Maryland | Northeast | Maryland | Volcanogenic seafloor | Barite; Copper-zinc sulfide; Polymetallic sulfide | copper; gold; lead; silver |
| Connecticut Ni-Co-Cu sulfides | Northeast | Connecticut | Mafic magmatic | Nickel-copper-PGE sulfide | copper; gold; selenium; silver |
| Connecticut pegmatites | Northeast | Connecticut | Porphyry Sn (granite-related) | Pegmatite LCT | feldspar; gold; mica; silver |
| Connecticut Valley-Gaspe trough volcanics | Northeast | Massachusetts; New Hampshire; Vermont | Volcanogenic seafloor | Copper-zinc sulfide | copper; gold; silver |
| Cornwall Mines | Northeast | Pennsylvania | IOA-IOCG | Polymetallic sulfide S-R-V; Skarn iron | copper; gold; iron; lead; molybdenum; phosphorus; silver; sulfur |
| Cuttingsville stock | Northeast | Vermont | Alkalic porphyry | Porphyry/skarn copper-gold | copper; gold; molybdenum; silver |
| Devonian Marcellus black shale | Northeast | Kentucky; Maryland; New York; Ohio; Pennsylvania; Virginia; West Virginia | Marine chemocline | Black shale | copper; gold; molybdenum; petroleum; stone coal; uranium |
| Drew Hill antimony prospect | Northeast | Maine | Porphyry Sn (granite-related) | Polymetallic sulfide S-R-V-IS | cadmium; copper; gold; lead; silver |
| Gouldsboro antimony prospect | Northeast | Maine | Porphyry Sn (granite-related) | Polymetallic sulfide S-R-V-IS | copper; gold; lead; silver |
| Grafton Pegmatite District | Northeast | New Hampshire | Porphyry Sn (granite-related) | Pegmatite LCT | feldspar; gold; mica; silver |
| Hartford-Deerfield Mesozoic Basin | Northeast | Connecticut; Massachusetts | Mafic magmatic | Nickel-copper-PGE sulfide | copper; gold; selenium; silver |
| Keene Pegmatite District | Northeast | New Hampshire | Porphyry Sn (granite-related) | Pegmatite LCT | feldspar; gold; mica; silver |
| Levant and Carmel antimony prospects | Northeast | Maine | Orogenic | Antimony | gold; lead; silver |
| Maryland Ni-Co-Cu sulfides | Northeast | Maryland | Mafic magmatic | Nickel-copper-PGE sulfide | copper; gold; selenium; silver |
| Massachusetts Hawley mineral belt | Northeast | Massachusetts | Volcanogenic seafloor | Manganese oxide (layers, crusts, nodules); Polymetallic sulfide | copper; gold; iron; lead; silver |
| Moxie Pluton | Northeast | Maine | Mafic magmatic | Nickel-copper-PGE sulfide | copper; gold; selenium; silver |
| New England Peri-Gondwanan Arc Systems | Northeast | Maine; New Hampshire | Volcanogenic seafloor | Polymetallic sulfide | copper; gold; iron; lead; mercury; silver; thallium |
| New England Peri-Laurentian Arc Systems | Northeast | Connecticut; Maine; Massachusetts; Vermont | Volcanogenic seafloor | Copper-zinc sulfide | copper; gold; silver |
| Ore Mountain (Katahdin Iron Works) | Northeast | Maine | Mafic magmatic | Nickel-copper-PGE sulfide | copper; gold; selenium; silver |
| Penobscot black shale | Northeast | Maine | Marine chemocline | Black shale | copper; gold; molybdenum; petroleum; stone coal; uranium |
| Saratoga Nickel District | Northeast | New York | Mafic magmatic | Nickel-copper-PGE sulfide | copper; gold; selenium; silver |
| Shawangunk Mountains Area | Northeast | New York | Reduced intrusion-related | Polymetallic sulfide S-R-V-IS | copper; gold; lead; silver |
| Shorey antimony prospect | Northeast | Maine | Orogenic | Antimony | gold; silver |
| St. Lawrence Pyrites Complex | Northeast | New York | Mafic magmatic | Nickel-copper-PGE sulfide | copper; gold; selenium; silver |
| Topsham pegmatite district | Northeast | Maine | Porphyry Sn (granite-related) | Pegmatite LCT | feldspar; gems; gold; mica; silver |
| Union-Warren nickel sulfide deposits | Northeast | Maine | Mafic magmatic | Nickel-copper-PGE sulfide | copper; gold; selenium; silver |
| Washington County intrusive rocks | Northeast | Maine | Mafic magmatic | Nickel-copper-PGE sulfide | copper; gold; selenium; silver |
| Potomac Terrane | Northeast; Southeast | Maryland | Orogenic | Gold | gold; silver |
| Adel Mountain Volcanics | Northwest | Montana | Magmatic REE | Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; gold; thorium; uranium; yttrium |
| American River Placers | Northwest | California | Placer | Gold; PGE | gold |
| Bearpaw Mountains-Eagle Buttes | Northwest | Montana | Alkalic porphyry | Polymetallic sulfide S-R-V-IS | copper; gold; lead; silver |
| Bearpaw Mountains-Eagle Buttes | Northwest | Montana | Magmatic REE | Carbonatite; Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; gold; lead; magnetite; phosphorus; silver; thorium; uranium; vermiculite; yttrium |
| Big Iron | Northwest | Washington | Reduced intrusion-related | Skarn copper-molybdenum-tungsten | copper; gold; iron; molybdenum; silver |
| Birch Creek | Northwest | Montana | Porphyry Cu-Mo-Au | Polymetallic sulfide S-R-V-IS; S-R-V tungsten | cadmium; copper; gold; lead; silver |
| Black Butte (Sheep Creek) | Northwest | Montana | Basin brine path | Copper (sed-hosted and replacement) | copper; gold; lead; silver; uranium |
| Boise antimony | Northwest | Idaho | Orogenic | Antimony; Gold | gold; silver |
| Bull Mountain-Elkhorn | Northwest | Montana | Porphyry Cu-Mo-Au | Polymetallic sulfide S-R-V-IS | cadmium; copper; gold; lead; silver |
| California Coast Ranges massive sulfide | Northwest | California; Oregon; Washington | Volcanogenic seafloor | Copper-zinc sulfide; Manganese oxide (layers, crusts, nodules); Polymetallic sulfide; Zinc-copper sulfide | copper; gold; lead; silver |
| Castle stock | Northwest | Montana | Alkalic porphyry | Polymetallic sulfide S-R-V-IS | copper; gold; lead; silver |
| Central Idaho bismuth-bearing veins | Northwest | Idaho | Porphyry Cu-Mo-Au | Polymetallic sulfide S-R-V-IS | cadmium; copper; gold; lead; silver |
| Central Washington massive sulfide | Northwest | Washington | Volcanogenic seafloor | Copper-zinc sulfide; Polymetallic sulfide; Zinc-copper sulfide | copper; gold; lead; silver |
| Challis fluorspar | Northwest | Idaho | Alkalic porphyry | Fluorspar; Polymetallic sulfide S-R-V-IS | copper; gold; lead; silver |
| Chelan Butte | Northwest | Washington | Porphyry Cu-Mo-Au | Polymetallic sulfide S-R-V-IS; S-R-V tungsten | cadmium; copper; gold; lead; molybdenum; silver |
| Clark Fork | Northwest | Idaho | Coeur d'Alene-type | Polymetallic sulfide | copper; gold; lead; silver |
| Coastal Oregon beach placers | Northwest | Oregon | Placer | Gold; Ilmenite/rutile/leucoxene; PGE; Zircon | gold |
| Copper Camp | Northwest | Idaho | IOA-IOCG | Iron oxide copper gold | copper; gold; selenium; uranium |
| Crazy Mountain Volcanics | Northwest | Montana | Magmatic REE | Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; gold; iron; lead; silver; thorium; uranium; yttrium |
| Cretaceous heavy-mineral placer sandstones (black sandstones) | Northwest; North Central; Rocky Mountains | Montana; North Dakota; South Dakota; Wyoming | Placer | Columbite/tantalite; Gold; Ilmenite/rutile/leucoxene; Monazite/xenotime; Uraninite, autunite-group minerals; Wolframite/scheelite; Zircon | gold; iron; thorium; uranium; yttrium |
| Elk City antimony | Northwest | Idaho | Orogenic | Antimony; Gold | gold; silver |
| Gravel Range Mining District | Northwest | Idaho | Placer | Cassiterite; Gold | gold; silver |
| Hog Heaven Volcanic Field | Northwest | Montana | Porphyry Cu-Mo-Au | High sulfidation gold-silver | copper; gold; silver |
| Idaho Cobalt Belt | Northwest | Idaho | IOA-IOCG | Iron oxide copper gold; Polymetallic sulfide S-R-V | copper; gold; lead; molybdenum; selenium; silver; uranium |
| Indian Creek Mining District | Northwest | Idaho | IOA-IOCG | Iron oxide copper gold; Polymetallic sulfide S-R-V | copper; gold; lead; molybdenum; selenium; silver; uranium |
| Ingalls ophiolite | Northwest | Washington | Mafic magmatic | Chromite; Nickel-copper-PGE sulfide | copper; gold; iron; selenium; silver |
| Judith Mountains | Northwest | Montana | Magmatic REE | Carbonatite | copper; gold; magnetite; phosphorus; silver; thorium; uranium; vermiculite; yttrium |
| Judith Mountains | Northwest | Montana | Alkalic porphyry | Low sulfidation; Polymetallic sulfide S-R-V-IS | copper; gold; lead; silver |
| Kenelty mine | Northwest | Montana | Basin brine path | Barite (replacement and bedded) | gold; silver |
| Klamath River Placers | Northwest | California | Placer | Gold; PGE | gold |
| Lady of the Lake mafic intrusive | Northwest | Montana | Mafic magmatic | PGE (low sulfide) | gold |
| Lakeview mining district | Northwest | Idaho | Porphyry Cu-Mo-Au | Polymetallic sulfide S-R-V-IS | cadmium; copper; gold; lead; silver |
| Lava Creek mining district | Northwest | Idaho | Porphyry Cu-Mo-Au | Polymetallic sulfide S-R-V-IS; S-R-V tungsten | cadmium; copper; gold; lead; silver |
| Little Belt Mountains | Northwest | Montana | Alkalic porphyry | Polymetallic sulfide S-R-V-IS | copper; gold; lead; silver |
| Lowland Creek Volcanics | Northwest | Montana | Alkalic porphyry | Low sulfidation | copper; gold; silver |
| Mackay stock area | Northwest | Idaho | Porphyry Cu-Mo-Au | Porphyry/skarn copper; S-R-V tungsten | copper; gold; lead |
| Marysville district | Northwest | Montana | Porphyry Cu-Mo-Au | Polymetallic sulfide S-R-V-IS; Porphyry/skarn molybdenum | cadmium; copper; gold; lead; molybdenum; silver |
| Mazama | Northwest | Washington | Porphyry Cu-Mo-Au | Porphyry/skarn copper; Porphyry/skarn molybdenum | copper; gold; molybdenum; silver; uranium |
| Mineral Hill | Northwest | Idaho; Montana; Wyoming | Orogenic | Antimony; Gold | gold; silver |
| Missoula barite (Elk Creek-Coloma District) | Northwest | Montana | Basin brine path | Barite (replacement and bedded); Zinc-lead (MVT and sedex) | copper; gold; lead; silver |
| Moccasin Mountains | Northwest | Montana | Alkalic porphyry | Polymetallic sulfide S-R-V-IS | copper; gold; lead; silver |
| Mount Chopaka | Northwest | Washington | Placer | Gold; PGE | gold |
| Mount Tolman | Northwest | Washington | Porphyry Cu-Mo-Au | Porphyry/skarn copper; S-R-V tungsten | copper; gold; molybdenum; silver; uranium |
| Moyie | Northwest | Idaho; Montana; Washington | Mafic magmatic | Nickel-copper-PGE sulfide | copper; gold; selenium; silver |
| MT-ID Alkalic Belt | Northwest | Montana | Alkalic porphyry | Fluorspar; Polymetallic sulfide S-R-V-IS | copper; feldspar; lead; gold; silver; vermiculite |
| Nevada County Placers | Northwest | California | Placer | Gold; PGE | gold |
| North central California massive sulfide | Northwest | California | Volcanogenic seafloor | Barite; Copper-zinc sulfide | copper; gold; silver |
| North-Central Washington ultramafics | Northwest | Washington | Mafic magmatic | Chromite; Nickel-copper-PGE sulfide | copper; gold; iron; selenium; silver |
| Northeast Oregon -Idaho massive sulfide | Northwest | Idaho; Oregon; Washington | Volcanogenic seafloor | Copper-zinc sulfide; Polymetallic sulfide; Zinc-copper sulfide | copper; gold; lead; silver |
| Northeastern Washington massive sulfide | Northwest | Washington | Volcanogenic seafloor | Copper-zinc sulfide; Polymetallic sulfide; Zinc-copper sulfide | copper; gold; lead; silver |
| NW polymetallic Au-Ag veins | Northwest | Idaho; Montana; Oregon | Porphyry Cu-Mo-Au | Polymetallic sulfide S-R-V-IS | cadmium; copper; gold; lead; silver |
| Oregon Cyprus-type massive sulfide | Northwest | California; Oregon | Volcanogenic seafloor | Copper-zinc sulfide; Polymetallic sulfide; Zinc-copper sulfide | copper; gold; lead; silver |
| Oregon stream placers | Northwest | Oregon | Placer | Gold; Ilmenite/rutile/leucoxene; PGE | gold |
| Oregon-Idaho tungsten province | Northwest | Idaho; Oregon | Porphyry Cu-Mo-Au | S-R-V tungsten; Polymetallic sulfide S-R-V-IS | gold |
| Orogrande Mining District | Northwest | Idaho | Reduced intrusion-related | Skarn copper-molybdenum-tungsten | copper; gold; molybdenum; silver |
| Oroville-Nighthawk district (Four Metals) | Northwest | Washington | Porphyry Cu-Mo-Au | Porphyry/skarn copper; S-R-V tungsten; Skarn iron | copper; gold; iron; lead; molybdenum; silver; uranium |
| Red Mountain Washington | Northwest | Washington | Porphyry Cu-Mo-Au | S-R-V tungsten | copper; gold; molybdenum; silver |
| Sawtooth Sn | Northwest | Idaho | Porphyry Cu-Mo-Au | Porphyry/skarn molybdenum | copper; gold; lead; molybdenum; silver |
| Sierra Nevada foothills massive sulfide | Northwest | California | Volcanogenic seafloor | Copper-zinc sulfide; Manganese oxide (layers, crusts, nodules); Polymetallic sulfide; Zinc-copper sulfide | copper; gold; silver |
| Silver Bow manganese/Lexington Mine | Northwest | Montana | Porphyry Cu-Mo-Au | Polymetallic sulfide S-R-V-IS | cadmium; copper; gold; lead; silver |
| Stillwater Complex | Northwest | Montana | Mafic magmatic | Chromite; Nickel-copper-PGE sulfide; PGE (low sulfide) | copper; gold; selenium; silver |
| Sultan Basin | Northwest | Washington | Porphyry Cu-Mo-Au | Porphyry/skarn copper; Porphyry/skarn molybdenum | cadmium; copper; gold; molybdenum; silver; uranium |
| Sweet Grass Hills | Northwest | Montana | Magmatic REE | Carbonatite; Fluorspar; Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; gold; magnetite; phosphorus; thorium; uranium; vermiculite; yttrium |
| Tobacco Root batholith | Northwest | Montana | Porphyry Cu-Mo-Au | Polymetallic sulfide S-R-V-IS | cadmium; copper; gold; lead; silver |
| Trinity County Placers | Northwest | California | Placer | Gold; PGE | gold |
| Warren district vein system | Northwest | Idaho | Orogenic | Antimony; Gold | gold; silver |
| White Cloud mineral district | Northwest | Idaho | Porphyry Cu-Mo-Au | Polymetallic sulfide S-R-V-IS; Porphyry/skarn molybdenum; S-R-V tungsten | cadmium; copper; gold; lead; molybdenum; silver |
| White River | Northwest | Washington | Porphyry Cu-Mo-Au | High sulfidation gold-silver; Lithocap alunite; Porphyry/skarn copper | copper; gold; molybdenum; silica; silver; uranium |
| Wolf Creek pluton/Ruby Mountains | Northwest | Montana | Mafic magmatic | Chromite; Nickel-copper-PGE sulfide | copper; gold; selenium; silver |
| Yellow Pine/Stibnite Mining District | Northwest | Idaho | Orogenic | Gold | gold; silver |
| Yellow Pine/Stibnite Mining District | Northwest | Idaho | Porphyry Cu-Mo-Au | S-R-V tungsten | gold; mercury; silver |
| Yellow Pine/Stibnite Mining District | Northwest | Idaho | Meteoric convection | Low sulfidation epithermal antimony; Low sulfidation epithermal gold-silver | gold; mercury; silver |
| Yuba River Placer District | Northwest | California | Placer | Gold; PGE | gold |
| Zortman syenite | Northwest | Montana | Alkalic porphyry | Low sulfidation | copper; gold; silver |
| Boulder Batholith | Northwest | Montana | Porphyry Cu-Mo-Au | Polymetallic sulfide S-R-V-IS; Porphyry/skarn copper | cadmium; copper; gold; molybdenum; silver; uranium |
| Absaroka Volcanic Plateau | Northwest; Rocky Mountains | Montana; Wyoming | Porphyry Cu-Mo-Au | Porphyry/skarn copper; Porphyry/skarn molybdenum; Polymetallic sulfide S-R-V-IS | cadmium; copper; gold; lead; molybdenum; silver; uranium |
| Aspen Mountain | Rocky Mountains | Wyoming | Porphyry Cu-Mo-Au | Greisen; High sulfidation gold-silver; Lithocap alunite; Lithocap kaolinite; Polymetallic sulfide S-R-V-IS | cadmium; copper; gold; lead; mercury; molybdenum; silver |
| Bald Mountain paleoplacers | Rocky Mountains | Wyoming | Placer | Gold; Ilmenite/rutile/leucoxene; Monazite/xenotime; Zircon | gold; thorium; yttrium |
| Bear Lodge District and Broader Region | Rocky Mountains | South Dakota; Wyoming | Alkalic porphyry | Low sulfidation; Polymetallic sulfide S-R-V-IS; Porphyry/skarn copper-gold | copper; gold; lead; molybdenum; silver |
| Bear Lodge District and Broader Region | Rocky Mountains | South Dakota; Wyoming | Magmatic REE | Carbonatite | gold; thorium; uranium |
| Boulder County Tungsten district | Rocky Mountains | Colorado | Porphyry Cu-Mo-Au | S-R-V tungsten | gold; silver |
| Browns Canyon and Poncha Springs fluorite | Rocky Mountains | Colorado | Climax-type | Fluorspar | copper; gold; lead |
| Central City-Idaho Springs polymetallic veins | Rocky Mountains | Colorado | Alkalic porphyry | Polymetallic sulfide S-R-V-IS | copper; gold; lead; silver; uranium |
| Central Colorado epithermal Au-Ag | Rocky Mountains | Colorado | Alkalic porphyry | High sulfidation; Low sulfidation | copper; gold; lead; silver |
| Central Colorado Mineral Belt carbonate-replacement deposits | Rocky Mountains | Colorado | Porphyry Cu-Mo-Au | Polymetallic sulfide S-R-V-IS | cadmium; copper; gold; iron; lead; silver |
| Central Laramie Range | Rocky Mountains | Wyoming | Mafic magmatic | Chromite; Iron-titanium oxide; Nickel-copper-PGE sulfide | copper; gold; iron; lead; phosphorus; selenium; silver |
| Central Laramie Range | Rocky Mountains | Wyoming | Porphyry Cu-Mo-Au | Greisen; Polymetallic sulfide S-R-V-IS | cadmium; copper; gold; lead; molybdenum; silver |
| Central Laramie Range | Rocky Mountains | Wyoming | Volcanogenic seafloor | Barite; Manganese oxide (layers, crusts, nodules); Polymetallic sulfide | copper; gold; iron; lead; silver |
| Central Rocky Mountains VMS | Rocky Mountains | Colorado | Volcanogenic seafloor | Copper-zinc sulfide; Polymetallic sulfide; Zinc-copper sulfide | copper; gold; lead; silver |
| Climax-Sweet Home | Rocky Mountains | Colorado | Climax-type | Greisen; Polymetallic sulfide S-R-V-IS; Porphyry molybdenum | copper; gold; lead; molybdenum; silver |
| Copper Mountain | Rocky Mountains | Wyoming | Porphyry Sn (granite-related) | Greisen; High sulfidation; Pegmatite LCT; Porphyry/skarn | copper; gold; silver |
| Cripple Creek district | Rocky Mountains | Colorado | Alkalic porphyry | High sulfidation; Low sulfidation | copper; gold; silver |
| Hahns Peak | Rocky Mountains | Colorado | Climax-type | Polymetallic sulfide S-R-V-IS; Porphyry molybdenum | copper; gold; lead; molybdenum; silver |
| Henderson-Urad | Rocky Mountains | Colorado | Climax-type | Lithocap kaolinite; Polymetallic sulfide S-R-V-IS; Porphyry molybdenum | cadmium; copper; gold; lead; molybdenum; silver |
| Jamestown district | Rocky Mountains | Colorado | Alkalic porphyry | Low sulfidation; Polymetallic sulfide S-R-V-IS | copper; gold; lead; silver; uranium |
| La Plata polymetallic district | Rocky Mountains | Colorado | Alkalic porphyry | Distal disseminated silver-gold; Polymetallic sulfide S-R-V-IS; Porphyry/skarn copper-gold | copper; gold; lead; silver |
| Medicine Bow Mountains | Rocky Mountains | Colorado; Wyoming | Mafic magmatic | Chromite; Iron-titanium oxide; Nickel-copper-PGE sulfide | copper; gold; iron; lead; phosphorus; selenium; silver |
| Medicine Bow Mountains | Rocky Mountains | Colorado; Wyoming | Volcanogenic seafloor | Barite; Manganese oxide (layers, crusts, nodules); Polymetallic sulfide | copper; gold; iron; lead; silver |
| Medicine Bow Mountains | Rocky Mountains | Colorado; Wyoming | Porphyry Cu-Mo-Au | Polymetallic sulfide S-R-V-IS | cadmium; copper; gold; lead; molybdenum; silver |
| Montezuma-Breckenridge polymetallic districts | Rocky Mountains | Colorado | Porphyry Cu-Mo-Au | Polymetallic sulfide S-R-V-IS | cadmium; copper; gold; lead; silver |
| Mt. Emmons-Redwell Basin | Rocky Mountains | Colorado | Climax-type | Polymetallic sulfide S-R-V-IS; Porphyry molybdenum | copper; gold; lead; molybdenum; silver |
| Phosphoria Formation | Rocky Mountains | Colorado; Idaho; Montana; Nevada; Utah; Wyoming | Marine chemocline | Black shale; Phosphate | copper; gold; molybdenum; petroleum; phosphate fertilizer; stone coal; uranium |
| Pikes Peak, St. Peter’s Dome (Proterozoic) | Rocky Mountains | Colorado | Climax-type | Greisen-S-R beryllium; Pegmatite NYF | gold; lead; molybdenum; silver; thorium; uranium; yttrium |
| Rattlesnake Hills Alkali Intrusive Complex | Rocky Mountains | Wyoming | Alkalic porphyry | High sulfidation; Low sulfidation | copper; gold; silver |
| Red Mountain | Rocky Mountains | Colorado | Climax-type | Distal disseminated silver-gold; Lithocap alunite | copper; gold; silver |
| Rosita Hills | Rocky Mountains | Colorado | Climax-type | Lithocap alunite; Polymetallic sulfide S-R-V-IS | cadmium; copper; gold; lead; silver |
| San Juan tungsten veins | Rocky Mountains | Colorado | Porphyry Cu-Mo-Au | S-R-V tungsten | gold; lead; silver |
| Sierra Madre | Rocky Mountains | Colorado; Wyoming | Mafic magmatic | Chromite; Nickel-copper-PGE sulfide | copper; gold; iron; lead; selenium; silver; vermiculite |
| Sierra Madre | Rocky Mountains | Colorado; Wyoming | Volcanogenic seafloor | Barite; Manganese oxide (layers, crusts, nodules); Polymetallic sulfide | copper; gold; lead; silver |
| Silver Creek-Calico Peak | Rocky Mountains | Colorado | Climax-type | Lithocap alunite; Polymetallic sulfide S-R-V-IS; Porphyry molybdenum | cadmium; copper; gold; lead; molybdenum; silver; uranium |
| Silverton | Rocky Mountains | Colorado | Climax-type | Polymetallic sulfide S-R-V-IS | copper; gold; lead; silver |
| St Peters dome district (Oligocene) | Rocky Mountains | Colorado | Alkalic porphyry | Low sulfidation; Polymetallic sulfide S-R-V-IS | copper; gold; lead; silver; uranium |
| Summitville | Rocky Mountains | Colorado | Climax-type | Lithocap alunite; Polymetallic sulfide S-R-V-IS | cadmium; copper; gold; lead; molybdenum; silver |
| Sweetwater Arch | Rocky Mountains | Wyoming | Orogenic | Gold | copper; gold; mercury; silver |
| Sweetwater Arch | Rocky Mountains | Wyoming | Mafic magmatic | Chromite; Nickel-copper-PGE sulfide | copper; gold; selenium; silver |
| Sweetwater Arch | Rocky Mountains | Wyoming | Volcanogenic seafloor | Algoma iron; Manganese-oxide (layers, crusts, nodules); Polymetallic sulfide | copper; gold; iron; lead; silver |
| Winfield Peak-Antero | Rocky Mountains | Colorado | Climax-type | Pegmatite NYF; Porphyry molybdenum | gold; molybdenum; silver; yttrium |
| Wyoming Metasedimentary and Metavolcanic Belts | Rocky Mountains | Wyoming | Mafic magmatic | Chromite; Iron-titanium oxide; Nickel-copper-PGE sulfide | copper; gold; iron; phosphorus; selenium; silver |
| Wyoming Metasedimentary and Metavolcanic Belts | Rocky Mountains | Wyoming | Metamorphic | Gneiss U; Graphite (coal or carbonaceous sed) | gold; uranium |
| Wyoming Metasedimentary and Metavolcanic Belts | Rocky Mountains | Wyoming | Porphyry Cu-Mo-Au | Greisen; Polymetallic sulfide S-R-V-IS | cadmium; copper; gold; lead; molybdenum; PGE; silver; titanium |
| Wyoming Metasedimentary and Metavolcanic Belts | Rocky Mountains | Wyoming | Volcanogenic seafloor | Barite; Manganese oxide (layers, crusts, nodules); Polymetallic sulfide | copper; gold; iron; silver |
| Ducktown District | South Central | Georgia; Tennessee | Volcanogenic seafloor | Copper-zinc sulfide | copper; gold; iron; silver; sulfur |
| 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 | Marine chemocline | Black shale; Phosphate | copper; gold; molybdenum; petroleum; phosphate fertilizer; stone coal; uranium |
| South-Central IOA-IOCG province | South Central | Arkansas; Illinois; Iowa; Missouri; Ohio; Wisconsin | IOA-IOCG | Iron oxide apatite; Iron oxide copper gold | copper; gold; iron; silver; uranium |
| Southeast Missouri Iron Metallogenic Province | South Central | Missouri | IOA-IOCG | Iron oxide apatite; Iron oxide copper gold | copper; gold; iron; selenium |
| Upper Devonian Phosphate | South Central | Alabama; Arkansas; Georgia; Illinois; Indiana; Iowa; Kentucky; Maryland; Michigan; Mississippi; Missouri; Ohio; Oklahoma; Pennsylvania; Tennessee; Virginia; West Virginia | Marine chemocline | Black shale; Iron-manganese; Phosphate | copper; gold; iron; molybdenum; petroleum; phosphate fertilizer; stone coal; uranium |
| Wichita event—Glen Mountains Complex | South Central | Oklahoma | Mafic magmatic | Nickel-copper-PGE sulfide | copper; gold; selenium; silver |
| Barite Hill mining district | Southeast | Georgia; South Carolina | Volcanogenic seafloor | Barite; Polymetallic sulfide | copper; gold; lead; silver |
| Blue Ridge placers | Southeast | Georgia; North Carolina; South Carolina; Tennessee | Placer | Gold; Ilmenite/rutile/leucoxene; Monazite/xenotime | gold; thorium; yttrium |
| Blue Ridge VMS deposits | Southeast | Alabama; Georgia; North Carolina; South Carolina; Virginia | Volcanogenic seafloor | Polymetallic sulfide | copper; gold; lead; silver |
| CAMP event-Virginia, North Carolina Mesozoic basins | Southeast | North Carolina; Virginia | Mafic magmatic | Nickel-copper-PGE sulfide; PGE (low sulfide) | copper; gold; selenium; silver |
| Chopawamsic Ordovician VMS—Mineral, Valzinco district | Southeast | Virginia | Volcanogenic seafloor | Polymetallic sulfide | copper; gold; lead; silver |
| Cragford Mining District | Southeast | Alabama | Porphyry Cu-Mo-Au | High sulfidation gold-silver; Lithocap alunite | copper; gold; lead; silver |
| Goldville-Hog Mountain District | Southeast | Alabama | Porphyry Cu-Mo-Au | High sulfidation gold-silver; Lithocap alunite | copper; gold; lead; silver |
| Haile-Ridgeway; Brewer mining district | Southeast | Georgia; North Carolina; South Carolina | Porphyry Cu-Mo-Au | Distal disseminated silver-gold; High sulfidation gold-silver | copper; gold; lead; molybdenum; silver |
| Kings Creek Mining District | Southeast | North Carolina; South Carolina | Volcanogenic seafloor | Barite; Polymetallic sulfide | copper; gold; lead; silver |
| Piedmont fluvial placers | Southeast | Alabama; Georgia; North Carolina; South Carolina; Virginia | Placer | Gold; Monazite/xenotime | gold; thorium; yttrium |
| Puerto Rico Gold-PGE placers | Southeast | Puerto Rico | Placer | Gold; PGE | gold |
| South Central Triassic basins | Southeast | Alabama; Florida; Georgia; North Carolina; South Carolina | Mafic magmatic | Chromite; Nickel-copper-PGE sulfide; PGE (low sulfide) | copper; gold; selenium; silver |
| Virginia metamorphic sulfide | Southeast | Virginia | Orogenic | Gold | gold; silver |
| Alum Mountain | Southwest | New Mexico | Porphyry Cu-Mo-Au | Lithocap alunite; Lithocap kaolinite | gold; silver |
| Antimony district | Southwest | Utah | Carlin-type | Antimony; Arsenic-thallium-mercury | gold; mercury; silver |
| Apache Warm Springs (Ojo Caliente No. 2 district) | Southwest | New Mexico | Climax-type | Fluorspar; Volcanogenic beryllium | copper; gold; lead; silver; uranium |
| Aragon Hill | Southwest | New Mexico | Porphyry Cu-Mo-Au | Lithocap alunite | gold |
| Bald Mountain mineral district | Southwest | Nevada | Reduced intrusion-related | Skarn copper-molybdenum-tungsten | copper; gold; molybdenum; silver |
| Basin and Range Laramide and Jurassic W veins and skarns | Southwest | Arizona | Porphyry Cu-Mo-Au | S-R-V tungsten | copper; gold; silver |
| Basin and Range Proterozoic W veins and replacements | Southwest | Arizona | Porphyry Cu-Mo-Au | S-R-V tungsten | copper; gold; silver |
| Birch Creek | Southwest | California | Porphyry Sn (granite-related) | Greisen; Pegmatite LCT | copper; gold; lead; silver |
| Black Hawk Mining District | Southwest | New Mexico | Arsenide | Five element veins | copper; gold; silver; uranium |
| Black Range deposits (Lake Valley-Hermosa-Tierra Blanca-Macho-Kingston districts) | Southwest | New Mexico | Porphyry Cu-Mo-Au | Polymetallic sulfide S-R-V-IS | copper; gold; lead; molybdenum; silver |
| Black Rock district—Monte Cristo mine | Southwest | Arizona | Arsenide | Five element veins | copper; gold; silver; uranium |
| Borderlands Carbonate Replacement Deposits | Southwest | Arizona; New Mexico; Texas | Chemical weathering | Supergene manganese | copper; gold; lead; silver |
| Bound Ranch Mining District | Southwest | New Mexico | Porphyry Cu-Mo-Au | S-R-V tungsten | gold |
| Buffalo Canyon | Southwest | Nevada | Reduced intrusion-related | Gold; Greisen-V tungsten | gold; molybdenum; silver |
| Butte Valley District | Southwest | Nevada | Porphyry Cu-Mo-Au | Porphyry/skarn copper | copper; gold; lead; molybdenum; silver; uranium |
| Central Wasatch Mountains | Southwest | Utah | Porphyry Cu-Mo-Au | High sulfidation gold-silver; Polymetallic sulfide S-R-V-IS; Porphyry/skarn copper | cadmium; copper; gold; lead; molybdenum; silver; uranium |
| Coast Ranges | Southwest | California | Meteoric convection | Low sulfidation epithermal gold-silver | gold; lead; mercury; silver |
| Colorado Plateau sediment-hosted copper | Southwest | Arizona; Colorado; New Mexico; Utah | Basin brine path | Copper (sed-hosted and replacement) | copper; gold; lead; silver; uranium |
| Contact Mining District | Southwest | Nevada | Porphyry Cu-Mo-Au | Distal disseminated silver-gold; Polymetallic sulfide S-R-V-IS; Porphyry/skarn copper | cadmium; copper; lead; molybdenum; gold; silver; uranium |
| Daisy Mine | Southwest | Nevada | Alkalic porphyry | Distal disseminated silver-gold; Fluorspar | copper; gold; mercury; molybdenum; silver; thallium |
| Deming-area mills (Asarco and Peru mills) | Southwest | New Mexico | Porphyry Cu-Mo-Au | Polymetallic sulfide S-R-V-IS | cadmium; copper; gold; lead; silver |
| Drum Mountains | Southwest | Utah | Porphyry Cu-Mo-Au | Distal disseminated silver-gold; Polymetallic sulfide S-R-V-IS; Porphyry/skarn copper | cadmium; clay; copper; gold; halloysite clay; iron; molybdenum; silver; uranium |
| Eagle Mountains fluorite | Southwest | Texas | Climax-type | Fluorspar; Polymetallic sulfide S-R-V-IS | copper; gold; lead; silver |
| Eastern California tungsten | Southwest | California; Nevada | Porphyry Cu-Mo-Au | S-R-V tungsten; Polymetallic sulfide S-R-V-IS | cadmium; copper; gold; lead; silver; zinc |
| Elizabethtown-Baldy Mining District | Southwest | New Mexico | Placer | Gold; Wolframite/scheelite | gold |
| Elizabethtown-Baldy Mining District | Southwest | New Mexico | Porphyry Cu-Mo-Au | Polymetallic sulfide S-R-V-IS; S-R-V tungsten | cadmium; copper; gold; lead; silver; uranium |
| Ely (Robinson District) | Southwest | Nevada | Porphyry Cu-Mo-Au | Distal disseminated silver-gold; Polymetallic sulfide S-R-V-IS; Porphyry/skarn copper | cadmium; copper; lead; molybdenum; gold; silver; uranium |
| Fish Springs | Southwest | Utah | Porphyry Cu-Mo-Au | Polymetallic sulfide S-R-V-IS | cadmium; copper; gold; iron; lead; molybdenum; silver |
| Friday Mine | Southwest | California | Mafic magmatic | Nickel-copper-PGE sulfide | copper; gold; selenium; silver |
| Gallinas Mountains Mining District | Southwest | New Mexico | Magmatic REE | Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; gold; iron; lead; silver; thorium; uranium |
| Gibellini and Carlin Vanadium | Southwest | Nevada | Marine chemocline | Black shale | copper; gold; molybdenum; petroleum; stone coal; uranium |
| Gold Hill Mining District | Southwest | Utah | Alkalic porphyry | Distal disseminated silver-gold; Low sulfidation | gold; silver |
| Gold Hill Mining District | Southwest | Utah | Porphyry Cu-Mo-Au | Distal disseminated silver-gold; Polymetallic sulfide S-R-V-IS; Porphyry/skarn copper; S-R-V tungsten | copper; gold; lead; molybdenum; silver; uranium |
| Goldfield District | Southwest | Nevada | Porphyry Cu-Mo-Au | High sulfidation gold-silver; Lithocap alunite | copper; gold; silver |
| Goldstrike district | Southwest | Utah | Carlin-type | Antimony; Arsenic-thallium-mercury; Gold | gold; mercury; silver |
| Goodsprings mining district | Southwest | Nevada | Porphyry Cu-Mo-Au | Distal disseminated silver-gold; Polymetallic sulfide S-R-V-IS; Porphyry/skarn copper | cadmium; copper; gold; lead; molybdenum; silver; uranium |
| Great Basin Central Nevada VMS | Southwest | Nevada | Volcanogenic seafloor | Copper-zinc sulfide; Polymetallic sulfide; Zinc-copper sulfide | copper; gold; silver |
| Great Basin West VMS | Southwest | California; Nevada; Oregon | Volcanogenic seafloor | Copper-zinc sulfide; Polymetallic sulfide; Zinc-copper sulfide | copper; gold; silver |
| Honeycomb Hills | Southwest | Utah | Climax-type | Fluorspar; Volcanogenic beryllium | copper; gold; lead; silver; uranium |
| House Range tungsten skarns | Southwest | Utah | Porphyry Cu-Mo-Au | S-R-V tungsten | gold; molybdenum |
| Humboldt Mafic Complex | Southwest | Nevada | IOA-IOCG | Iron oxide apatite; Iron oxide copper gold; Polymetallic sulfide S-R-V | copper; iron; gold; lead; molybdenum; selenium; silver; uranium |
| Iron Mountain (Sierra Cuchillo) | Southwest | New Mexico | Climax-type | Greisen; Greisen-S-R beryllium; Volcanogenic beryllium | copper; gold; iron; lead; silver; uranium |
| Jurassic Arc | Southwest | California; Nevada | IOA-IOCG | Iron oxide apatite; Iron oxide copper gold | copper; gold; iron; silver; uranium |
| Klamath Mountains orogenic Au | Southwest | California; Oregon | Orogenic | Gold | gold; silver |
| Lower Colorado River IOCG | Southwest | Arizona; California | IOA-IOCG | Iron oxide copper gold; Skarn iron | copper; gold; iron; phosphorus; selenium; uranium |
| 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 |
| Mercur district | Southwest | Utah | Carlin-type | Gold | gold; mercury; silver |
| Middle Tertiary W skarns of southwestern New Mexico and southeastern Arizona | Southwest | Arizona; New Mexico | Porphyry Cu-Mo-Au | S-R-V tungsten | copper; gold; lead; molybdenum; silver |
| Mogollon-Wilcox-Gila fluorite districts | Southwest | Arizona; New Mexico | Climax-type | High sulfidation | copper; gold; silver |
| Mount Hope | Southwest | Nevada | Climax-type | Polymetallic sulfide S-R-V-IS; Porphyry molybdenum | copper; gold; lead; molybdenum; silver |
| 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 Carlin-type antimony | Southwest | Nevada | Carlin-type | Antimony; Arsenic-thallium-mercury; Gold | gold; mercury; silver; thallium |
| New Mexico Cambrian alkaline rocks and REE veins | Southwest | New Mexico | Magmatic REE | Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; gold; iron; lead; molybdenum; silver; thorium; uranium; yttrium |
| Nogal-Bonito (Cedar Creek) | Southwest | New Mexico | Alkalic porphyry | Polymetallic sulfide S-R-V-IS; Porphyry/skarn copper-gold | copper; gold; lead; molybdenum; silver |
| NW Nevada Orogenic Antimony | Southwest | Nevada | Orogenic | Antimony | copper; gold; lead; silver |
| Oquirrh Mountains | Southwest | Utah | Porphyry Cu-Mo-Au | Distal disseminated silver-gold; Polymetallic sulfide S-R-V-IS; Porphyry/skarn copper | copper; gold; molybdenum; silver; uranium |
| Oreana mine area | Southwest | Nevada | Climax-type | Greisen; Greisen-S-R beryllium; Polymetallic sulfide S-R-V-IS | copper; gold; lead; molybdenum; silver |
| Organ Mountains District | Southwest | New Mexico | Porphyry Cu-Mo-Au | Polymetallic sulfide S-R-V-IS | cadmium; copper; gold; lead; silver |
| Orogrande Mining District | Southwest | New Mexico | Alkalic porphyry | Porphyry/skarn copper-gold; S-R-V tungsten | copper; gold; iron; lead; molybdenum; silver; uranium |
| Ortiz Mountains (Old Placers-New Placers districts) | Southwest | New Mexico | Placer | Fluorspar; Gold; Wolframite/scheelite | gold; iron; silver |
| Ortiz Mountains (Old Placers-New Placers districts) | Southwest | New Mexico | Porphyry Cu-Mo-Au | Polymetallic sulfide S-R-V-IS; S-R-V tungsten | cadmium; copper; gold; lead; silver |
| Paradise Peak | Southwest | Nevada | Porphyry Cu-Mo-Au | High sulfidation gold-silver; Lithocap alunite | copper; gold; mercury; silver |
| Park City-Gold Hill belt | Southwest | Utah | Porphyry Cu-Mo-Au | Distal disseminated silver-gold; Greisen; High sulfidation gold-silver; Lithocap kaolinite; Polymetallic sulfide S-R-V-IS; Porphyry/skarn copper; S-R-V tungsten | copper; gold; lead; molybdenum; silver; uranium |
| Park City-Gold Hill belt | Southwest | Utah | Climax-type | Fluorspar; Greisen; Polymetallic sulfide S-R-V-IS | copper; gold; lead; molybdenum; silver; uranium |
| Pecos | Southwest | New Mexico; Texas | Mafic magmatic | Nickel-copper-PGE sulfide; PGE (low sulfide) | copper; gold; selenium; silver |
| Peloncillo Mountains (San Simon, McGhee Peak, Steins Pass districts) | Southwest | New Mexico | Porphyry Cu-Mo-Au | Polymetallic sulfide S-R-V-IS; S-R-V tungsten | cadmium; copper; gold; lead; silver |
| Picuris district (Copper Hill) | Southwest | New Mexico | Coeur d'Alene-type | Polymetallic sulfide | copper; gold; lead; silver |
| Pine Grove-Blawn Mountain-Broken Ridge-Pink Knolls | Southwest | Utah | Climax-type | Lithocap alunite; Lithocap kaolinite; Polymetallic sulfide S-R-V-IS; Porphyry molybdenum | copper; gold; lead; molybdenum; silver; uranium |
| Precambrian Franklin Mountain tin | Southwest | Texas | Porphyry Sn (granite-related) | Polymetallic sulfide S-R-V-IS | copper; gold; lead; silver |
| Rattlesnake | Southwest | New Mexico | Porphyry Cu-Mo-Au | Lithocap alunite | gold |
| Red Mountain, Arizona | Southwest | Arizona | Porphyry Cu-Mo-Au | Lithocap alunite; Polymetallic sulfide S-R-V-IS | cadmium; copper; gold; kaolin; lead; silver |
| Resolution | Southwest | Arizona | Porphyry Cu-Mo-Au | Lithocap alunite; Polymetallic sulfide S-R-V-IS; Porphyry/skarn copper | cadmium; copper; gold; lead; molybdenum; silver; uranium |
| Saddleback Mountain-Goat Camp (and Steeple Rock district) | Southwest | Arizona; New Mexico | Porphyry Cu-Mo-Au | Lithocap alunite | kaolin; gold |
| Saddleback Mountain-Goat Camp (and Steeple Rock district) | Southwest | Arizona; New Mexico | Climax-type | Fluorspar; High sulfidation; Lithocap alunite; Polymetallic sulfide S-R-V-IS | copper; gold; lead; silver |
| Salton Trough lithium and potash | Southwest | California | Lacustrine evaporite | Residual brine | borax; boric acid; bromine; gold; iodine; silver |
| Sangre de Cristo VMS | Southwest | Colorado; New Mexico; Texas | Volcanogenic seafloor | Copper-zinc sulfide; Polymetallic sulfide; Zinc-copper sulfide | copper; gold; lead; silver |
| Scraper Springs | Southwest | Nevada | Climax-type | Distal disseminated silver-gold; Lithocap alunite; Polymetallic sulfide S-R-V-IS | copper; gold; lead; silver |
| Sheeprock or Columbia-East Erickson | Southwest | Utah | Climax-type | Greisen; Greisen-S-R beryllium; Polymetallic sulfide S-R-V-IS | copper; gold; lead; molybdenum; silver; uranium |
| Sierra Nevada Foothills | Southwest | California | Orogenic | Antimony | copper; gold; lead; silver |
| Sierra Nevada foothills orogenic Au | Southwest | California | Orogenic | Gold | gold; silver |
| Silver City (Chloride Flat) manganese deposits | Southwest | New Mexico | Chemical weathering | Supergene manganese | copper; gold; iron; lead; silver |
| Southeast Mojave Desert | Southwest | California | Orogenic | Antimony | copper; gold; lead; silver |
| Southern Basin and Range VMS | Southwest | Arizona | Volcanogenic seafloor | Copper-zinc sulfide; Polymetallic sulfide; Zinc-copper sulfide | copper; gold; lead; silver |
| Southern California tungsten placers | Southwest | California | Placer | Gold; Wolframite/scheelite | gold |
| Southwest diabase province | Southwest | Arizona | Mafic magmatic | Nickel-copper-PGE sulfide | copper; gold; selenium; silver |
| Southwest Laramide Porphyry Belt | Southwest | Arizona; New Mexico | Porphyry Cu-Mo-Au | Greisen; Lithocap alunite; Polymetallic sulfide S-R-V-IS; Porphyry/skarn copper; Porphyry/skarn molybdenum | cadmium; copper; gold; lead; molybdenum; silver; sulfuric acid; uranium |
| Southwest New Mexico VMS | Southwest | New Mexico | Volcanogenic seafloor | Copper-zinc sulfide; Polymetallic sulfide; Zinc-copper sulfide | copper; gold; lead; silver |
| Sylvanite and Eureka Mining Districts | Southwest | New Mexico | Porphyry Cu-Mo-Au | S-R-V tungsten | copper; gold; lead; molybdenum; silver |
| Texas-New Mexico alkaline belt | Southwest | New Mexico; Texas | Magmatic REE | Peralkaline syenite/granite/rhyolite/alaskite/pegmatites | copper; gold; iron; lead; silver; thorium; uranium |
| Texas-New Mexico alkaline belt | Southwest | New Mexico; Texas | Alkalic porphyry | Porphyry/skarn copper-gold; S-R-V tungsten | copper; gold; iron; lead; silver |
| Thompson Knolls | Southwest | Utah | Porphyry Cu-Mo-Au | Distal disseminated silver-gold; Porphyry/skarn copper | copper; gold; molybdenum; silver; uranium |
| Tierra Blanca Mining District | Southwest | New Mexico | Porphyry Cu-Mo-Au | S-R-V tungsten | copper; lead; gold; silver |
| 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 |
| Tonto Fluorspar | Southwest | Arizona | Climax-type | Fluorspar | gold; silver |
| Trinity Range-Kamma Mountains | Southwest | Nevada | Porphyry Sn (granite-related) | Polymetallic sulfide S-R-V-IS | copper; gold; lead; silver |
| Trinity Range-Kamma Mountains | Southwest | Nevada | Porphyry Cu-Mo-Au | Porphyry/skarn copper | copper; gold; molybdenum; silver; uranium |
| Trout Creek district | Southwest | Utah | Climax-type | Greisen; Pegmatite NYF; Polymetallic sulfide S-R-V-IS | gold; lead; molybdenum; silver; yttrium |
| Tutsagubet Mining District (Apex mine) | Southwest | Utah | Basin brine path | Copper (sed-hosted and replacement) | copper; gold; lead; silver; uranium |
| Tyrone-Chino-Hillsboro porphyry copper deposits | Southwest | New Mexico | Porphyry Cu-Mo-Au | Polymetallic sulfide S-R-V-IS; Porphyry/skarn copper | cadmium; copper; gold; lead; molybdenum; silver; uranium |
| Victorio Mining District | Southwest | New Mexico | Climax-type | Polymetallic sulfide S-R-V-IS; Porphyry molybdenum; Skarn molybdenum | copper; gold; lead; molybdenum; silver |
| Western Great Basin Porphyry Copper | Southwest | California; Nevada | Porphyry Cu-Mo-Au | Distal disseminated silver-gold; High sulfidation gold-silver; Lithocap alunite; Polymetallic sulfide S-R-V-IS; Porphyry/skarn copper; Porphyry/skarn molybdenum; Skarn iron | cadmium; copper; gold; lead; molybdenum; silver; uranium |
| White Oaks Mining District | Southwest | New Mexico | Porphyry Cu-Mo-Au | Polymetallic sulfide S-R-V-IS; S-R-V tungsten | cadmium; copper; gold; lead; silver |
| White Oaks Mining District | Southwest | New Mexico | Placer | Fluorspar; Gold; Wolframite/scheelite | gold |
| White Oaks Mining District | Southwest | New Mexico | Alkalic porphyry | Porphyry/skarn copper-gold; S-R-V tungsten | copper; gold; molybdenum |
| White Picacho | Southwest | Arizona | Porphyry Sn (granite-related) | Pegmatite LCT | copper; feldspar; gold; lead; mica; molybdenum; silver |
| Gorman tin district | Southwest | California | Porphyry Sn (granite-related) | Polymetallic sulfide S-R-V-IS | copper; gold; iron; lead; molybdenum; silver |