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Empire Mine, Palmer, Marquette iron range, Marquette Co., Michigan, USA
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Latitude: 46°26'N
Longitude: 87°35'W
 
 
An opencast iron mine with an 8.1 million tons/yr capacity. Owned by the Cleveland Cliffs Iron Co. (1985), then operated by the Empire Iron Mining Co. (1988).

Mineral List

Aegirine
Augite
'Biotite'
Calcite
Chalcopyrite
'Chert'
'Chlorite Group'
Dolomite
'Garnet'
Goethite
Grunerite
Hematite
'K Feldspar
var: Adularia'

Magnesio-riebeckite
Magnetite
Minnesotaite
'Olivine'
Orthoclase
Pyrite
Pyrophyllite
Quartz
var: Amethyst
var: Smoky Quartz
Riebeckite
Rutile
Schorl
Sepiolite
Siderite
Stilpnomelane
Thermonatrite
Trona


31 entries listed. 23 valid minerals.

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References

Rocks & Minerals (1983): 58: 111.

Mining Annual review (1985): 325.

Heinrich & Robinson (2004), Mineralogy of Michigan.

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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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