18 focus areas match these criteria.
| Focus area | Region | States | Mineral Systems | Deposit types | Commodities |
|---|---|---|---|---|---|
| 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 |
| Copper Ridge Zinc District | South Central | Tennessee | Basin brine path | Zinc-lead (MVT and sedex) | cadmium; copper; lead; silver |
| Ducktown District | South Central | Georgia; Tennessee | Volcanogenic seafloor | Copper-zinc sulfide | copper; gold; iron; silver; sulfur |
| Fall Branch-Greeneville District | South Central | Tennessee | Basin brine path | Barite (replacement and bedded); Zinc-lead (MVT and sedex) | copper |
| Mascot-Jefferson City Zinc District | South Central | Tennessee | Basin brine path | Zinc-lead (MVT and sedex) | cadmium; copper; lead; silver |
| McNairy Sand placers | South Central | Kentucky; Mississippi; Missouri; Tennessee | Placer | Ilmenite/rutile/leucoxene; Monazite/xenotime; Zircon | thorium; yttrium |
| 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 |
| 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 | Chemical weathering | Clay | (none) |
| Powell River Zinc District | South Central | Tennessee | Basin brine path | Zinc-lead (MVT and sedex) | cadmium; copper; lead; silver |
| South Central Kentucky and North Central Tennessee Mineral District | South Central | Kentucky; Tennessee | Basin brine path | Barite (replacement and bedded); Zinc-lead (MVT and sedex) | cadmium; copper; lead; silver |
| Sweetwater Barite District | South Central | Tennessee | Basin brine path | Barite (replacement and bedded); Zinc-lead (MVT and sedex) | cadmium; copper; lead; silver |
| Tertiary Heavy Mineral Sands | South Central | Tennessee | Placer | Ilmenite/rutile/leucoxene; Monazite/xenotime; Zircon | thorium; yttrium |
| 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 |
| Del Rio/Hot Springs Barite Mining Districts | Southeast; South Central | North Carolina; Tennessee | Basin brine path | Barite (replacement and bedded); Zinc-lead (MVT and sedex) | copper; lead; silver |
| Blue Ridge placers | Southeast | Georgia; North Carolina; South Carolina; Tennessee | Placer | Gold; Ilmenite/rutile/leucoxene; Monazite/xenotime | gold; thorium; yttrium |
| Neoproterozoic regolith | Southeast | Maryland; North Carolina; Tennessee; Virginia; West Virginia | Chemical weathering | Regolith (Ion adsorption) REE | (none) |
| North Carolina pegmatite zone | Southeast | North Carolina; Tennessee | Porphyry Sn (granite-related) | Pegmatite LCT | (none) |
| Valley and Ridge manganese | Southeast; South Central | Alabama; Georgia; North Carolina; Pennsylvania; Tennessee; Virginia; West Virginia | Chemical weathering | Supergene manganese | (none) |