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Kearsarge Mine, Kearsarge, Houghton Co., Michigan, USA

Latitude: 47°16'30"N
Longitude: 88°24'58"W

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An underground copper mine consisting of 2 locations; North Kearsarge (2 shafts) and South Kearsarge (2 shafts). Organized as the Kearsarge Mining Co. in 1886 and was absorbed by the Osceloa Consolidated Mining Co. in 1897. It worked the Kearsarge Lode and between 1887 and 1897 produced approx. 14.5 million lbs. of refined copper. S. Kearsarge was closed in 1930. N. Kearsarge closed in 1931, then reopened in 1942 and continued until 1956, when it was closed for good. The Kearsarge Mines are one of the best silver producers for specimens in the Keweenaw. Both mines, however, are privately owned by individuals.

Mineral List

Mineral list contains entries from the region specified including sub-localities

Brucite
Calcite
Chrysocolla
Copper

Cuprite
Datolite
Epidote
'Halfbreed'

Kinoite
Malachite
Microcline
Quartz

Silver

15 entries listed. 12 valid minerals.

Localities in this Region

USA

Michigan
- Houghton Co.
  - Kearsarge
    - Kearsarge Mine
      - Kearsarge No. 4

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References

Wilson, M. L. (1977): Kinoite from Michigan- a new occurrence. Mineralogical Record 8, 519-520

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

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

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Copyright © Jolyon Ralph and Ida Chau 1993-2013. 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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