Michigan · Keweenaw County
Producer

543-S

Keweenaw County, Michigan, United States
Copper
⌖ Show on mapUSGS source ↗
Description

Homestake Keweenaw venture

Commodities
PrimaryCopper
Commodity typeM
Deposit
Deposit sizeS
Ore controlOpen space fillings and replacements in amygdaloidal flow tops
Materials
Ore mineralsChalcocite
Geology
Host rockBasalt · Portage Lake Volcanics
StructureLowermost Portage Lake volcanics flows, Deposit spatially related to cross-cutting dacite dike
Economic & production
Development statusProducer
Discovery year1975
Identification
Deposit ID10082635
MRDS IDW060073
RegionNA
Data scoreB
Coordinates47.35833, -88.17282
References
MICHIGAN COPPER COMPANY LTD, 1989, MICHIGAN COPPER SULFIDE PROJECT: KEWEENAW PENINSULA : COMPANY REPORT, 21 PP.MICHIGAN COPPER COMPANY LTD REPORT