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Kingston Mine, Copper City, Keweenaw Co., Michigan, USA

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Latitude & Longitude (WGS84): 47° 17' 28'' North , 88° 23' 5'' West
Latitude & Longitude (decimal): 47.2911111111, -88.3847222222
Other regions containing this locality:Keweenaw Peninsula, Michigan, USA


Commodities (Major) - Copper
Development Status: Past Producer

An underground copper mine located between Allouez and Ahmeek, MI. The Kingston Mine was opened by Calumet & Hecla on the Kearsarge Conglomerate in 1964, making it the last mine shaft opened by C&H. The mine consisted of one incline shaft that was worked to the 12th level. The mine closed in 1968 due to a labor strike. Specimens from Kingston include copper, silver, cuprite, and epidote.

Mineral List


8 valid minerals.

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Stenian
1000 - 1200 Ma
Portage Lake Volcanics

Age: Stenian (1000 - 1200 Ma)

Stratigraphic Name: Portage Lake Volcanics

Description: Lava flows, mostly basalt, andesite and felsite flows and subordinate interflow sedimentary rocks.

Comments: This unit is the same as unit Yp on paper map of Sims (1992). Description is taken from that unit description.

Lithology: Major:{basalt}, Minor:{basaltic andesite}, Incidental:{rhyolite, sandstone mudstone}

Reference: Horton, J.D., C.A. San Juan, and D.B. Stoeser. The State Geologic Map Compilation (SGMC) geodatabase of the conterminous United States. doi: 10.3133/ds1052. U.S. Geological Survey Data Series 1052. [133]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License



This page 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 & Minerals: 58:111; 76(3):156-188.

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

WEEGE, R.J., AND J.P. POLLOCK. EXPLORATION METHODS IN THE COPPER COUNTRY, KEWEENAW PENINSULA, MICHIGAN. CHAPTER IN PAPERS PRESENTED AT THE AIME PACIFIC SOUTHWEST MINERAL INDUSTRY CONFERENCE.

Mineral and/or Locality  
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