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Monongahela (Old) Mine, Monongahela Mine, Crystal Falls, Menominee iron range, Iron Co., Michigan, USA

Latitude: 46°5'11"N
Longitude: 88°22'5"W
Commodities (Major) - Iron
Deposit Type: Secondary Enrichment
Development Status: Past Producer
Deposit Model: 241: Superior Fe (BC name is Lake Superior & Rapitan types iron-formation)
Host Rock: Iron Formation

A small, early mine on the Monongahela property, started in 1892 with small shipments in 1901 and 1903.

Mineral List

Hematite


1 entry listed. 1 valid mineral.

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References

Bernhardt M. (2001) (editor) "Men, Mines, and Memories", Iron County Museum, Caspian, Michigan.

Pettijohn, F. J. (1972) "Geology and Magnetic Data for Southern Crystal Falls Area, Michigan", Geological Survey Division of the Department of Natural Resources, State of Michigan, Lansing.

JOHNSON, A.M. AND GROTH, E.H., 1998, INVENTORY OF UNDERGROUND MINES, IRON COUNTY, SITE ID 360085, MICHIGAN DEPARTMENT OF NATURAL RESOURCES,

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Copyright © Jolyon Ralph and Ida Chau 1993-2014. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. 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 thousands of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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