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Ojibway Mine, Ojibway, Keweenaw Co., Michigan, USA
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Latitude: 47°20'22"N
Longitude: 88°19'40"W
 
 
An underground copper mine consisting of 2 shafts and 13 levels. Organized in 1907, the mine produced approx. 50,000 lbs. of refined copper before closing in 1913. In 1941 the mine was bought by Calumet and Hecla but no further work was done. Nice minerals, including copper crystals, silver, quartz with green inclusions, and amethyst can be found here.

Mineral List

Calcite
Chalcocite
Chamosite
Copper
Datolite
Epidote
Hematite
Malachite
Microcline
Prehnite
Pumpellyite-(Mg)
Quartz
Silver
Tenorite


14 entries listed. 14 valid minerals.

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References

Kilpela, T, 1995, The Hard Rock Mining Era in the Copper Country. 89 pp.

Butler, B.S., and Burbank, W.S., 1929, The Copper Deposits of Michigan. U.S. Geological Survey. Professional Paper 144. 238 pp.

The Copper Country Rock & Mineral Club, 2001, Red Gold and Tarnished Silver, 2nd Ed., 44 pp.

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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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