Commodities
PrimaryCopper
Commodity typeM
Deposit
Model96: Native Cu
Deposit sizeS
Geology
Host rockBasalt · Portage Lake Volcanics
StructureSyncline, Fissure and amygdaloids below the Greenstone flow
Economic & production
Development statusPast Producer
First production1851
Last production1909
Identification
Deposit ID10082626
MRDS IDW060064
Alternate namesMandan Mine
RegionNA
Data scoreB
Coordinates47.425, -88.0167
References
BUTLER, B.S., AND BURBANK, W.S., 1929, THE COPPER DEPOSITS OF MICHIGAN: USGS PROF. PAPER NO. 144, 238 PP.CORNWALL, H.R., 1954, BEDROCK GEOLOGY OF THE DELAWARE QUADRANGLE, MICHIGAN: USGS MAP GQ-51, SCALE 1:24000JOHNSON, A.M. AND GROTH, E.H., 1998, INVENTORY OF UNDERGROUND MINES, IRON COUNTY, P. 166-167, 176-78, MICHIGAN DEPARTMENT OF NATURAL RESOURCES.CORNWALL, 1954