Locality | Mineral(s) |
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Lansing lead mines (Captain Turners farm; Walleser farm), Lansing, Allamakee County, Iowa, USA | β Anglesite, β Calcite, β Cerussite, β Dolomite, β Galena, β Goethite, β Hemimorphite, β Marcasite, β Pyrite, β Quartz, β Smithsonite |
Postville quarry, Postville, Allamakee County, Iowa, USA | β Baryte, β Bitumen, β Calcite, β Fluorite, β Gypsum, β Marcasite, β Pyrite, β Siderite, β Sphalerite |
Iron Hill Mine, Waukon, Allamakee County, Iowa, USA | β Goethite, β Hematite |
Mineral Creek Mines (Clem Byrnes farm; New Galena), Waukon, Allamakee County, Iowa, USA | β Anglesite, β Calcite, β Cerussite, β Galena, β Goethite, β Hemimorphite, β Marcasite, β Pyrite, β Quartz, β Sauconite, β Smithsonite, β Sphalerite |
Shellsburg area, Benton County, Iowa, USA | β Agate, β Chalcedony, β Quartz |
Peske Quarry, Raymond, Black Hawk County, Iowa, USA | β Baryte, β Calcite, β Fluorite, β Marcasite, β Pyrite, β Sphalerite |
Pint's Quarry, Raymond, Black Hawk County, Iowa, USA | β Goethite, β Hematite, β Wurtzite |
Waterloo South mine, Black Hawk County, Iowa, USA | β Baryte, β Calcite, β Chalcopyrite, β Fluorite, β Marcasite, β Pyrite, β Quartz, β Sphalerite |
Waverly, Bremer County, Iowa, USA | β Calcite |
Aplington quarry, Butler County, Iowa, USA | β Quartz |
Shell Rock, Butler County, Iowa, USA | β Agate, β Calcite, β Chalcedony, β Quartz |
Mason City clay pits, Cerro Gordo County, Iowa, USA | β Gypsum |
Nashua, Chickasaw County, Iowa, USA | β Calcite |
Holmes Mine, Miner's Creek, Guttenberg, Clayton County, Iowa, USA | β Galena |
North Buena Vista Subdistrict, Clayton County, Iowa, USA | β Cerussite, β Galena, β Smithsonite |
Volga River, Volga, Clayton County, Iowa, USA | β Bitumen, β Calcite, β Fluorite, β Marcasite, β Pyrite, β Sphalerite |
Grand Mound, Clinton County, Iowa, USA | β Pyrolusite |
Adel, Dallas County, Iowa, USA | β Pyrite |
Des Moines River Valley, Dallas County, Iowa, USA | β Gypsum |
Decatur County, Iowa, USA | β Baryte |
Delhi area, Delaware County, Iowa, USA | β Chalcedony, β Quartz |
Manchester area, Delaware County, Iowa, USA | β Chalcedony, β Quartz |
Burlington, Des Moines County, Iowa, USA | β Ankerite, β Aragonite, β Baryte, β Calcite, β Chalcocite, β Chalcopyrite, β Dolomite, β Goethite, β Gypsum, β Hematite, β Jarosite, β Kaolinite, β Malachite, β Marcasite, β Pyrite, β Pyrolusite, β Quartz, β Siderite, β Smithsonite, β Sphalerite |
U.S. Gypsum Mine, Mediapolis, Des Moines County, Iowa, USA | β Alabaster, β Anhydrite, β Celestine, β Dolomite, β Gypsum, β Quartz, β Satin Spar Gypsum |
Dubuque County, Iowa, USA | β Anglesite, β Ankerite, β Azurite, β Baryte, β Calcite, β Cerussite, β Chalcopyrite, β Dolomite, β Galena, β Goethite, β Gypsum, β Malachite, β Marcasite, β Millerite, β Pyrite, β Smithsonite, β Sphalerite |
Dubuque County Fairgrounds, Dubuque County, Iowa, USA | β Goethite, β Hematite, β Pyrite |
Timber Range Mine (Durango Drybone Mine; Old Ewing diggings), Durango, Dubuque County, Iowa, USA | β Calcite, β Galena, β Smithsonite |
Graf, Dubuque County, Iowa, USA | β Sphalerite |
Fayette County, Iowa, USA | β Agate, β Baryte, β Carnelian, β Chalcedony, β Quartz |
Otter Creek, West Union, Fayette County, Iowa, USA | β Native Gold |
Little Cedar River, Floyd County, Iowa, USA | β Agate, β Chalcedony, β Quartz |
Shell Rock River valley, Floyd County, Iowa, USA | β Calcite |
Chapin, Franklin County, Iowa, USA | β Chalcedony, β Gypsum, β Quartz |
Beaverdam Creek, Sheffield, Franklin County, Iowa, USA | β Gypsum |
Randall, Hamilton County, Iowa, USA | β Quartz |
Boone River, Stratford, Hamilton County, Iowa, USA | β Gypsum, β Pyrite |
Eldora-Union area, Hardin County, Iowa, USA | β Calcite, β Chalcedony, β Gypsum, β Quartz |
Steamboat Rock area, Hardin County, Iowa, USA | β Calcite, β Chalcedony, β Gypsum, β Quartz |
Big Creek and Skunk River, Henry County, Iowa, USA | β Agate, β Carnelian, β Chalcedony, β Quartz |
Cresco, Howard County, Iowa, USA | β Calcite |
Turkey River, Vernon Springs, Howard County, Iowa, USA | β Goethite |
Bellevue State Park area, Jackson County, Iowa, USA | β Gypsum |
Canton area, Jackson County, Iowa, USA | β Goethite, β Pyrite |
Conklin Quarry, Coralville, Johnson County, Iowa, USA | β Chalcopyrite, β Dolomite, β Quartz, β Sphalerite, β Wurtzite |
Klein Quarry, Coralville, Johnson County, Iowa, USA | β Baryte, β Calcite, β Chalcopyrite, β Dolomite, β Millerite, β Pyrite, β Quartz, β Sphalerite, β Wurtzite |
Four County quarry, Johnson County, Iowa, USA | β Baryte, β Calcite, β Chalcopyrite, β Marcasite, β Millerite, β Pyrite, β Sphalerite |
Scotch Grove area, Jones County, Iowa, USA | β Goethite, β Pyrite |
Harper quarry, Harper, Keokuk County, Iowa, USA | β Agate, β Chalcedony, β Dolomite, β Millerite, β Pyrite, β Pyrolusite, β Quartz, β Sphalerite |
Keswick quarry, Keswick, Keokuk County, Iowa, USA | β Baryte, β Calcite, β Fluorite, β Millerite, β Quartz, β Sphalerite |
Kaser Quarry, Ollie, Keokuk County, Iowa, USA | β Agate, β Marcasite |
Keokuk, Lee County, Iowa, USA | β Baryte, β Chalcocite, β Goethite, β Hematite, β Jarosite, β Malachite, β Marcasite, β Pyrolusite, β Quartz, β Siderite, β Smithsonite |
Keokuk Dam, Lee County, Iowa, USA | β Calcite, β Chert, β Millerite |
Limestone quarries, Lee County, Iowa, USA | β Calcite, β Chert, β Millerite |
Mississippi River dredge spoil piles, Lee County, Iowa, USA | β Calcite, β Chert, β Millerite |
Cedar Rapids (Martin Marietta) quarry, Linn County, Iowa, USA | β Calcite, β Chert, β Marcasite, β Pyrite, β Quartz, β Sphalerite |
Central City, Linn County, Iowa, USA | β Calcite |
Robins quarry, Robins, Linn County, Iowa, USA | β Marcasite, β Pyrite, β Quartz |
Walker area, Linn County, Iowa, USA | β Agate, β Chalcedony, β Quartz |
Prior quarry, Columbus Junction, Louisa County, Iowa, USA | β Calcite, β Pyrite |
River Products mine, Columbus Junction, Louisa County, Iowa, USA | β Calcite, β Pyrite |
Lost Creek mine, Oskaloosa, Mahaska County, Iowa, USA | β Baryte, β Calcite, β Goethite, β Gypsum, β Marcasite, β Pyrite |
Mich mine, Oskaloosa, Mahaska County, Iowa, USA | β Baryte, β Calcite, β Goethite, β Gypsum, β Marcasite, β Pyrite |
Rose Hill mine, Oskaloosa, Mahaska County, Iowa, USA | β Baryte, β Calcite, β Goethite, β Gypsum, β Marcasite, β Pyrite |
Star Coal Company strip mine, Mahaska County, Iowa, USA | β Baryte, β Calcite, β Dolomite, β Marcasite, β Pyrite |
Jude coal mine, Bussey area, Marion County, Iowa, USA | β Ankerite, β Baryte, β Calcite, β Chalcopyrite, β Dolomite, β FelsΕbΓ‘nyaite, β Fluorapatite, β Gibbsite, β Goethite, β Gypsum, β Hematite, β Kaolinite, β Malachite, β Marcasite, β Pyrite, β Quartz, β Siderite, β Wad |
Harvey mine, Harvey, Marion County, Iowa, USA | β Gypsum |
Knoxville, Marion County, Iowa, USA | β Baryte, β Dolomite, β Goethite, β Malachite, β Marcasite, β Pyrite, β Quartz, β Sphalerite |
Calcite locality, Pella, Marion County, Iowa, USA | β Calcite |
Pershing area, Marion County, Iowa, USA | β Baryte, β Calcite, β Dolomite, β Goethite, β Malachite, β Marcasite, β Pyrite, β Quartz, β Siderite, β Sphalerite |
Wilcox Wildlife Preserve, Marion County, Iowa, USA | β Baryte, β Calcite, β Chalcopyrite, β Goethite, β Malachite, β Quartz |
Lovilia area, Monroe County, Iowa, USA | β Baryte, β Calcite, β Goethite, β Gypsum, β Malachite, β Marcasite, β Pyrite, β Quartz, β Siderite, β Sphalerite |
Melrose area, Monroe County, Iowa, USA | β Baryte, β Calcite, β Goethite, β Gypsum, β Malachite, β Marcasite, β Pyrite, β Quartz, β Siderite, β Sphalerite |
Moscow Quarry (Wendling Quarry), Moscow, Muscatine County, Iowa, USA | β Calcite, β Dolomite, β Marcasite, β Pyrite, β Quartz, β Sphalerite |
Acme gravel pit, Muscatine, Muscatine County, Iowa, USA | β Agate, β Chalcedony, β Lake Superior Agate, β Petrified Wood, β Quartz |
Hahn's gravel pit, Muscatine, Muscatine County, Iowa, USA | β Agate, β Chalcedony, β Lake Superior Agate, β Petrified Wood, β Quartz |
Westfield, Plymouth County, Iowa, USA | β Gypsum |
Limestone quarry, Poweshiek County, Iowa, USA | β Baryte, β Calcite, β Chalcedony, β Millerite, β Pyrite, β Quartz, β Sphalerite |
LaFarge Quarry (Buffalo Quarry), Buffalo, Scott County, Iowa, USA | β Marcasite |
Linwood Mine, Buffalo, Scott County, Iowa, USA | β Chalcopyrite, β Gypsum, β Melanterite, β Pyrite, β Quartz, β Sphalerite |
Princeton, Scott County, Iowa, USA | β Pyrolusite |
Hawarden, Sioux County, Iowa, USA | β Gypsum |
Comache quarry, Farmington, Van Buren County, Iowa, USA | β Calcite, β Millerite |
Bear Creek, Vernon area, Van Buren County, Iowa, USA | β Aragonite, β Baryte, β Calcite, β Chalcocite, β Chalcopyrite, β Dolomite, β Fluorite, β Galena, β Goethite, β Gypsum, β Hematite, β Jarosite, β Kaolinite, β Limonite, β Malachite, β Marcasite, β Millerite, β Petroleum, β Pyrite, β Pyrolusite, β Quartz, β Siderite, β Smithsonite, β Sphalerite |
Coppers Creek, Vernon area, Van Buren County, Iowa, USA | β Aragonite, β Baryte, β Calcite, β Chalcocite, β Chalcopyrite, β Dolomite, β Fluorite, β Galena, β Goethite, β Gypsum, β Hematite, β Jarosite, β Kaolinite, β Limonite, β Malachite, β Marcasite, β Millerite, β Petroleum, β Pyrite, β Pyrolusite, β Quartz, β Siderite, β Smithsonite, β Sphalerite |
Eddyville area coal strip mines, Wapello County, Iowa, USA | β Baryte, β Calcite, β Goethite, β Gypsum, β Malachite, β Marcasite, β Pyrite, β Quartz, β Siderite, β Sphalerite |
West Chester limestone quarry, Washington County, Iowa, USA | β Calcite, β Chalcedony, β Pyrite, β Quartz, β Sphalerite |
Celotex Corporation mine, Fort Dodge, Webster County, Iowa, USA | β Calcite, β Celestine, β Gypsum, β Orthoclase, β Quartz |
Georgia Pacific Corporation mine, Fort Dodge, Webster County, Iowa, USA | β Calcite, β Celestine, β Gypsum, β Orthoclase, β Quartz |
Johnson Clay Company plant, Fort Dodge, Webster County, Iowa, USA | β Aragonite, β Baryte, β Calcite, β Celestine, β Marcasite |
National Gypsum mine, Fort Dodge, Webster County, Iowa, USA | β Calcite, β Celestine, β Gypsum, β Orthoclase, β Quartz |
U. S. Gypsum mine, Fort Dodge, Webster County, Iowa, USA | β Calcite, β Celestine, β Gypsum, β Orthoclase, β Quartz |
Spillville area, Winneshiek County, Iowa, USA | β Calcite |
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