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Resolute Mine, Keweenaw Co., Michigan, USA
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Latitude: 47°25'45"N
Longitude: 88°2'8"W
 
 
Commodities (Major) - Copper
Deposit Type: Fissure Copper Veins
Development Status: Past Producer
Deposit Model: 96: Native Cu
Host Rock Unit: Portage Lake Volcanics
Host Rock: Basalt

An underground copper mine consisting of one shaft located near Mandan. The Resolute Mining Company was organized in 1864 and began work on the Resolute Fissure. Little is known of this company as no mining reports or ore shipments are known to exist. In 1899, the mine was reorganized as the Resolute Copper Company and work began to de-water and stabilize the shaft which was at a depth of nearly 400 feet in depth and 2,000 feet of drifting. After this point, very little is known of the mine or its operations. Minerals to be found at the piles include copper, prehnite, and greenstones.

Mineral List

Calcite
Copper
Datolite
Quartz


4 entries listed. 4 valid minerals.

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References

JOHNSON, A.M. AND GROTH, E.H., 1998, INVENTORY OF UNDERGROUND MINES, KEWEENAW COUNTY, P. 230-231, SITE ID # 420078, MICHIGAN DEPARTMENT OF NATURAL RESOURCES.

Kaminski-Hamka, T., 2011, The Copper Mines of Keweenaw County, Michigan. Copperlady Press, 150 pp.

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

DeGood, L., 2011, Michigan Copper Mining Stocks and Bonds. 401 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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