Triassic Phosphate REE |
Alaska |
Alaska |
Marine chemocline |
Phosphate |
phosphate fertilizer; uranium |
Upper Mississippian (Visean) Phosphate REE |
Alaska |
Alaska |
Marine chemocline |
Phosphate |
phosphate fertilizer; uranium |
Chamberlain district |
North Central |
South Dakota |
Marine chemocline |
Iron-manganese |
iron |
Manganese (Mn) in iron-formations |
North Central |
Michigan; Minnesota; Wisconsin |
Marine chemocline |
Iron-manganese |
iron |
Mesoproterozoic Phosphate |
North Central |
Michigan; Wisconsin |
Marine chemocline |
Phosphate |
phosphate fertilizer; 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 |
Aroostook County manganese |
Northeast |
Maine |
Marine chemocline |
Iron-manganese |
iron |
Blue Hill manganese prospects |
Northeast |
Maine |
Marine chemocline |
Iron-manganese |
iron |
Bowers Mountain black shale |
Northeast |
Maine |
Marine chemocline |
Black shale |
copper; gold; molybdenum; petroleum; stone coal; uranium |
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 |
Dover-Foxcroft manganese prospect |
Northeast |
Maine |
Marine chemocline |
Iron-manganese |
iron |
Greenfield manganese prospects |
Northeast |
Maine |
Marine chemocline |
Iron-manganese |
iron |
Penobscot black shale |
Northeast |
Maine |
Marine chemocline |
Black shale |
copper; gold; molybdenum; petroleum; stone coal; uranium |
Heath Formation— Cox Ranch Member |
Northwest |
Montana |
Marine chemocline |
Black shale |
copper; molybdenum; petroleum; stone coal; uranium |
Phosphoria Formation |
Rocky Mountains |
Colorado; Idaho; Montana; Nevada; Utah; Wyoming |
Marine chemocline |
Black shale; Phosphate |
copper; gold; molybdenum; petroleum; phosphate fertilizer; stone coal; uranium |
Batesville cobalt-manganese District |
South Central |
Arkansas |
Marine chemocline |
Iron-manganese |
iron |
Fayetteville Shale; Upper Mississippian (Serpukhovian) Phosphate |
South Central |
Arkansas; Missouri; Oklahoma |
Marine chemocline |
Phosphate |
phosphate fertilizer; 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 |
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 |
Middle Devonian REE phosphates |
Southeast |
West Virginia |
Marine chemocline |
Phosphate |
phosphate; uranium |
Miocene-Pliocene phosphate strata |
Southeast |
Florida; Georgia; Maryland; North Carolina; South Carolina; Virginia |
Marine chemocline |
Phosphate |
phosphate; uranium |
Gibellini and Carlin Vanadium |
Southwest |
Nevada |
Marine chemocline |
Black shale |
copper; gold; molybdenum; petroleum; stone coal; uranium |
Lower Mississippian (Osagean-Meramecian) Phosphate |
Southwest |
Utah |
Marine chemocline |
Phosphate |
phosphate fertilizer; uranium |
Middle-Late Miocene Phosphate |
Southwest |
California |
Marine chemocline |
Phosphate |
phosphate; uranium |
Three Kids district |
Southwest |
Nevada |
Marine chemocline |
Iron-manganese |
iron |