Commodities
PrimaryCopper
Commodity typeM
Deposit
Model96: Native Cu
Deposit sizeS
Geology
Host rockBasalt · Portage Lake Volcanics
StructureFissure cutting Greenstone flow, mining activity just south of flow
Economic & production
Development statusProducer
First production1880
Identification
Deposit ID10082625
MRDS IDW060063
RegionNA
Data scoreB
Coordinates47.3875, -88.26254
References
BUTLER, B.S., AND BURBANK, W.S, 1929, THE COPPER DEPOSITS OF MICHIGAN: USGS PROF. PAPER NO. 144, 238 PPCORNWALL, H.R., 1954, BEDROCK GEOLOGY OF THE PHOENIX QUADRANGLE, MICHIGAN: USGS MAP GQ-34, SCALE 1:24000BUTLER AND BURBANK, 1929