21 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 |
| 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) |
| Pennsylvanian Phosphate, Black Shale, Underclay | South Central | Alabama; Arkansas; Georgia; Illinois; Indiana; Iowa; Kansas; Kentucky; Maryland; Michigan; Missouri; Nebraska; New York; Ohio; Oklahoma; Pennsylvania; Texas; Virginia; West Virginia | Basin brine path | Zinc-lead (MVT and sedex) | cadmium; copper; lead; silver |
| 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 |
| Alabama bauxite | Southeast | Alabama | Chemical weathering | Bauxite | (none) |
| Alabama Graphite-Vanadium Belt | Southeast | Alabama | Metamorphic | Graphite (coal or carbonaceous sed) | (none) |
| Alabama pegmatite zone | Southeast | Alabama | Porphyry Sn (granite-related) | Pegmatite LCT | (none) |
| Alleghanian-NeoAcadian regolith | Southeast | Alabama; Georgia; North Carolina; South Carolina; Virginia | Chemical weathering | Regolith (Ion adsorption) REE | (none) |
| Blue Ridge VMS deposits | Southeast | Alabama; Georgia; North Carolina; South Carolina; 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 |
| Fall Zone Placers | Northeast; Southeast | Alabama; Delaware; Georgia; Maryland; New Jersey; North Carolina; Pennsylvania; South Carolina; Virginia | Placer | Ilmenite/rutile/leucoxene; Monazite/xenotime; Zircon | thorium; yttrium |
| Goldville-Hog Mountain District | Southeast | Alabama | Porphyry Cu-Mo-Au | High sulfidation gold-silver; Lithocap alunite | copper; gold; lead; silver |
| Piedmont fluvial placers | Southeast | Alabama; Georgia; North Carolina; South Carolina; Virginia | Placer | Gold; Monazite/xenotime | gold; thorium; yttrium |
| 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 |
| Southeast Ultramafics Cr-Mg; Inner Piedmont | Southeast | Alabama | Mafic magmatic | Chromite | anthophyllite; asbestos; olivine; serpentine; talc-soapstone |
| Valley and Ridge barite (Brannon Springs area-Etowah and St. Clair Counties) | Southeast | Alabama | Basin brine path | Barite (replacement and bedded); Zinc-lead (MVT and sedex) | copper; iron; lead; silver |
| Valley and Ridge barite (Pleasant Valley area-Calhoun County) | Southeast | Alabama | Basin brine path | Barite (replacement and bedded); Zinc-lead (MVT and sedex) | copper; iron; lead; silver |
| Valley and Ridge barite (Sinks area-Bibb County) | Southeast | Alabama | Basin brine path | Barite (replacement and bedded); Zinc-lead (MVT and sedex) | copper; iron; lead; silver |
| Valley and Ridge manganese | Southeast; South Central | Alabama; Georgia; North Carolina; Pennsylvania; Tennessee; Virginia; West Virginia | Chemical weathering | Supergene manganese | (none) |
| Smackover Formation lithium | Southwest | Alabama; Arkansas; Florida; Louisiana; Mississippi; Texas | Basin brine path | Basin brine | bromine; iodine; petroleum; salt |