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Iron Production Iron Ore Magnetite

In the nineteenth century production became concentrated in belts of rich iron ore along the flanks of the Blue Ridge mountains and in the sandstones of the Valley and Ridge Province In Virginia most of the iron was extracted from limonite Fe 2 O 3 H 2 O hematite Fe 2 O 3 magnetite Fe 3 O 4 and carbonate deposits siderite FeCO 3 with limonite as the major source of iron.

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