News

  1. Home
  2. Mining Of Phosphategold And Iron Ore

Mining Of Phosphategold And Iron Ore

In Wisconsin the most important iron ore minerals are oxides magnetite Fe 3 O 4 hematite Fe 2 O 3 and goethitelimonite Fe 2 O 3 H 2 O Brief overview of Wisconsins iron mining history Limited amounts of highgrade iron ore were first mined in Wisconsin in the 1850s in the Black River Falls District of Jackson County and the.

Latest News