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Regional Report: Iron Ridge Mines, Iron Ridge District (Neda Iron District), Dodge Co., Wisconsin, USA

The Iron Ridge Mines are located along the Niagria Escarpment within the Iron Ridge/Neda Iron District. The district is located between the towns of Iron Ridge and Mayville, just east along highway 67. During the time the district was active from the 1850's to 1915 four iron mines and one limestone quarry sprung up in the area producing millions of tons of mid to high grade iron ores. The mines that thrived there at the time are listed from south to north. The Iron Ridge Mine aka Neda Mine or Oliver Mine, the Mayville Open Pit Mine, the Mayville Shaft Mine and the Unnamed Mine. An ochre pigment prospect known as the Neda Paint Pit also existed within the district. Even though the mining industry in the area is long dead, the Mayville White Limestone Quarry (Located between the Mayville Open Pit Mine and the Mayville Shaft Mine.) though only quarrying limestone for concrete and construction purposes, the quarry is still as active and bustling as it was when the iron industry was alive and strong. For more information on the history of the iron mining industry in Dodge County, read "When Iron was King in Dodge County" by George G. Frederick.

For full locality listing click here. Alternatively: Click here for heirarchical list of localities in Iron Ridge Mines, Iron Ridge District (Neda Iron District), Dodge Co., Wisconsin, USA

  • Allophane - 2, 1, 3, 4
  • Anorthoclase - 2
  • Biotite - 2
  • Calcite - 2, 1, 3, 4, 5
  • 'Chlorite Group' - 2
  • 'Collophane' - 2
  • Corundum - 2
  • Cristobalite - 2
  • Delvauxite - 2
  • Dolomite - 2, 1, 3, 4, 5
  • Evansite - 2
  • Fluorite - 2
  • Goethite - 2, 1, 3, 4
  • Gypsum - 2
  • Halloysite - 2
  • Hematite - 2, 1, 3, 4, 5
  • Magnetite - 2, 1, 4
  • Metavariscite - 2
  • Microcline - 2
  • Northupite - 2
  • Opal - 2, 1, 4
  • Orthoclase - 2
  • Phosphosiderite - 2
  • Pyrite - 2
  • Pyrrhotite - 2
  • Quartz - 2
  • Siderite - 2, 1, 3, 4
  • Tridymite - 2
  • Variscite - 2, 1, 4


  • 29 minerals listed.

    Locality Key
    1Iron Ridge mine (Neda mine; Oliver mine), Iron Ridge Mines, Iron Ridge District (Neda Iron District), Dodge Co., Wisconsin, USA
    2Iron Ridge Mines, Iron Ridge District (Neda Iron District), Dodge Co., Wisconsin, USA
    3Mayville Open Pit Mine, Iron Ridge Mines, Iron Ridge District (Neda Iron District), Dodge Co., Wisconsin, USA
    4Mayville Shaft Mine, Iron Ridge Mines, Iron Ridge District (Neda Iron District), Dodge Co., Wisconsin, USA
    5Unnamed Mine, Iron Ridge Mines, Iron Ridge District (Neda Iron District), Dodge Co., Wisconsin, USA

    The above list contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database!
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    Copyright © Jolyon Ralph and Ida Chau 1993-2009. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 31st Oct 2009 06:42:05