Michigan · Keweenaw County
Past Producer

Hill Fissure Mine

Keweenaw County, Michigan, United States
Copper
⌖ Show on mapUSGS source ↗
Commodities
PrimaryCopper
Deposit
Deposit typeFissure Copper Veins
Model96: Native Cu
Deposit sizeU
Orebody formIRREGULAR
Geology
Host rockBasalt · Portage Lake Volcanics
StructureSyncline
Economic & production
Development statusPast Producer
First production1852
Last production1860
Identification
Deposit ID10310115
MRDS IDLW00115
RegionNA
Data scoreB
Coordinates47.42417, -88.21448
References
JOHNSON, A.M. AND GROTH, E.H., 1998, INVENTORY OF UNDERGROUND MINES, KEWEENAW COUNTY, P. 72-75, SITE ID # 420039, MICHIGAN DEPARTMENT OF NATURAL RESOURCES.UNDERGROUND MINE INVENTORY