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Mine detail: Humboldt Mine
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North America
United States
Michigan
Keweenaw
Previously called ''
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Location
Lat / long:
47.41556, -88.24754
Resource(M)
Primary:
Copper
Ore:
Copper
Orebody form:
IRREGULAR
Production
Operation type:
Underground
Deposit type:
Fissure Copper Veins
Production size:
Unknown
Development status:
Past Producer
First production started:
1853
Geology
Host rock:
Portage Lake Volcanics
Host type:
Basalt
Structure:
Syncline
References
MRDS
LW00106
DEP
10310106
Reference
JOHNSON, A.M. AND GROTH, E.H., 1998, INVENTORY OF UNDERGROUND MINES, KEWEENAW COUNTY, P. 141-143, SITE ID # 420042, MICHIGAN DEPARTMENT OF NATURAL RESOURCES.
Reporter
Anderson, Arlene (M. Gere)