Commodities
PrimaryCopper
Commodity typeM
Deposit
Model96: Native Cu
Deposit sizeS
Orebody formCONGLOMERATE LODE
Geology
Host rockConglomerate · Portage Lake Volcanics
StructureConglomerate bed among amygdaloidal basalts
Economic & production
Development statusPast Producer
First production1846
Last production1848
Identification
Deposit ID10082645
MRDS IDW060083
RegionNA
Data scoreC
Coordinates48.03333, -88.61673
References
LANE, A.C., 1898, UPPER PENINSULA, ISLE ROYALE: GEOLOGICAL SURVEY OF MICHIGAN, V. 6, PT. 1, 281 PP.HUBER, N.K., 1973, GEOLOGIC MAP OF ISLE ROYALE NATIONAL PARK, KEWEENAW COUNTY, MICHIGAN: USGS MISC. GEOL. INVEST., MAP I-796, SCALE 1:62500