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Ahmeek Mine, Ahmeek, Keweenaw Co., Michigan, USA
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The Ahmeek Mining Company was organized in 1880 as an exploration wing of the Seneca Mining Co. to work the Kearsarge Conglomerate lode. The original operations consisted of two shallow shafts, but production was irregular at best. In 1903, with the discovery of the Kearsarge Amygdaloid lode, the Ahmeek Mining Co became it's own operation. The new workings consisted of four inclined shafts that worked to a depth of approx. 3,000 ft. Two of the shafts, 3 and 4, were unique in that both were serviced from a common shafthouse. In 1923, the company merged with C&H and operations were suspended in 1931. After the depression ended the mine reopened in 1936 and continued until about 1966 when the mine closed permanently.
This is a great site for the collector. Some of the minerals found here include copper, silver, datolite, nice calcite crystals, and the ever popular domeykite.

Mineral List

Mineral list contains entries from the region specified including sub-localities
Albite
Algodonite
Analcime
Andradite
Ankerite
Calcite
Calumetite
Chalcopyrite
'Chlorite Group'
Copper
Cuprite
Datolite
Domeykite
Epidote
Humboldtine
Kamiokite
Laumontite
Microcline
Moolooite
Muscovite
var: Sericite

Prehnite
'Pumpellyite'
Quartz
Saponite
Silver
Veszelyite
Whewellite


35 entries listed. 24 valid minerals.

Localities in this Region

USA

The above list contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

Rocks & Min.:58:111.

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.

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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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