Hawaii bauxite |
Hawaii |
Hawaii |
Chemical weathering |
Bauxite |
(none) |
Cretaceous weathering of Archean and Paleoproterozoic rocks |
North Central |
Minnesota; South Dakota |
Chemical weathering |
Regolith (Ion adsorption) REE |
(none) |
Paleoproterozoic weathering beneath mature quartzites |
North Central |
Iowa; Minnesota; South Dakota; Wisconsin |
Chemical weathering |
Regolith (Ion adsorption) REE |
(none) |
Turtle Mountains manganese |
North Central |
North Dakota |
Chemical weathering |
Supergene manganese |
(none) |
Mitchell ore bed |
Northeast |
Vermont |
Chemical weathering |
Supergene iron; Supergene manganese |
iron |
Salisbury Mining District |
Northeast |
Connecticut; Massachusetts; New York |
Chemical weathering |
Supergene iron; Supergene manganese |
iron |
California-Oregon laterites |
Northwest |
California; Oregon |
Chemical weathering |
Nickel-cobalt laterite |
(none) |
Fall Creek uranium area |
Northwest |
Idaho |
Chemical weathering |
Coal uranium |
coal; uranium |
SE Idaho manganese |
Northwest |
Idaho |
Chemical weathering |
Supergene manganese |
(none) |
Southwest Washington bauxite |
Northwest |
Oregon; Washington |
Chemical weathering |
Bauxite |
(none) |
Washington bauxite district |
Northwest |
Washington |
Chemical weathering |
Bauxite |
(none) |
Washington-Idaho clay |
Northwest |
Idaho; Washington |
Chemical weathering |
Clay |
(none) |
Climax-Sweet Home and Leadville Area Supergene System |
Rocky Mountains |
Colorado |
Chemical weathering |
Supergene iron; Supergene manganese; Supergene silver |
iron; silver |
Coal REE deposits |
Rocky Mountains |
Colorado |
Chemical weathering |
Regolith (Ion adsorption) REE |
coal |
Cretaceous-Paleocene coals, underclays, and interbeds |
Rocky Mountains |
Montana; North Dakota; South Dakota; Wyoming |
Chemical weathering |
Clay; Coal uranium, Regolith (Ion adsorption) REE; Surficial uranium |
aggregate (coal clinker); clay; coal; molybdenum; uranium; yttrium |
Arkansas Bauxite Region |
South Central |
Arkansas |
Chemical weathering |
Bauxite |
(none) |
Central Kentucky Phosphate District |
South Central |
Kentucky |
Chemical weathering |
Regolith (Ion adsorption) REE |
phosphate |
Manganese in Sedimentary Rocks |
South Central |
Missouri |
Chemical weathering |
Supergene manganese |
iron |
Midwest Permian Ultramafic Dike District |
South Central |
Illinois; Indiana; Kentucky |
Chemical weathering |
Regolith (Ion adsorption) REE |
phosphate |
Missouri Cheltenham Fireclay District |
South Central |
Missouri |
Chemical weathering |
Clay |
silica; oxide; clay |
Ouachita manganese-cobalt district |
South Central |
Arkansas; Oklahoma |
Chemical weathering |
Supergene manganese |
(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; Tennessee; Texas; Virginia; West Virginia |
Chemical weathering |
Clay |
(none) |
Alabama bauxite |
Southeast |
Alabama |
Chemical weathering |
Bauxite |
(none) |
Alleghanian-NeoAcadian regolith |
Southeast |
Alabama; Georgia; North Carolina; South Carolina; Virginia |
Chemical weathering |
Regolith (Ion adsorption) REE |
(none) |
Georgia bauxite |
Southeast |
Georgia |
Chemical weathering |
Bauxite |
(none) |
Jumping Branch manganese |
Southeast |
North Carolina; South Carolina |
Chemical weathering |
Supergene manganese |
(none) |
Neoproterozoic granitoids |
Southeast |
North Carolina; Virginia |
Chemical weathering |
Regolith (Ion adsorption) REE |
(none) |
Neoproterozoic regolith |
Southeast |
Maryland; North Carolina; Tennessee; Virginia; West Virginia |
Chemical weathering |
Regolith (Ion adsorption) REE |
(none) |
North Carolina fireclays |
Southeast |
North Carolina; South Carolina |
Chemical weathering |
Clay |
ilmenite; iron; monazite |
Puerto Rico Ni-Co laterite |
Southeast |
Puerto Rico |
Chemical weathering |
Nickel-cobalt laterite |
(none) |
South Carolina/Georgia kaolin deposits |
Southeast |
Georgia; South Carolina |
Chemical weathering |
Clay |
ilmenite; iron; monazite |
Virginia bauxite |
Southeast |
Virginia |
Chemical weathering |
Bauxite |
(none) |
Valley and Ridge manganese |
Southeast; South Central |
Alabama; Georgia; North Carolina; Pennsylvania; Tennessee; Virginia; West Virginia |
Chemical weathering |
Supergene manganese |
(none) |
Borderlands Carbonate Replacement Deposits |
Southwest |
Arizona; New Mexico; Texas |
Chemical weathering |
Supergene manganese |
copper; gold; lead; silver |
Little Florida Mountains district |
Southwest |
New Mexico |
Chemical weathering |
Supergene manganese |
(none) |
Luis Lopez district |
Southwest |
New Mexico |
Chemical weathering |
Supergene manganese |
(none) |
Silver City (Chloride Flat) manganese deposits |
Southwest |
New Mexico |
Chemical weathering |
Supergene manganese |
copper; gold; iron; lead; silver |