Taconite
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Taconite is a variety of iron formation, an iron-bearing (> 15% iron) sedimentary rock, in which the iron minerals are interlayered with quartz, chert, or carbonate. The term was coined by Minnesota State Geologist Newton Horace Winchell during his pioneering investigations of the Precambrian Biwabik Iron Formation of northeastern Minnesota owing to its superficial resemblance to iron-bearing rocks from the Taconic Mountains of New York, with which he was familiar.
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| Minnesota DNR Minnesota DNR www.dnr.state.mn.us/education/geology/digging/taconite.html - Web |
| Mesabi Iron Ore Range Mesabi Iron Ore Range geography.miningco.com/library/misc/ucmesabi.htm - Web |
| Silver Bay, Minnesota Silver Bay, Minnesota www.silverbay.com/history.htm - Web |
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