Mine detail: St. Clair Fissure

Previously called ''

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Location

Lat / long: 47.38472, -88.26671

Resource(M)

Primary: Copper
Ore: Copper
Orebody form: FISSURE

Production

Operation type: Underground
Production size: Small
Development status: Past Producer
First production started: 1865
Last production ended: 1885

Geology

Host rock:Portage Lake Volcanics
Host type:Basalt
Structure:Fissure at base of Greenstone flow

References

MRDSW060056
DEP10082619
Reference{Deposit:: BUTLER, B.S., AND BURBANK, W.S., 1929, THE COPPER DEPOSITS OF MICHIGAN: USGS PROF. PAPER NO. 144, 238 PP.}{Deposit:: CORNWALL, H.R., 1954, BEDROCK GEOLOGY OF THE PHOENIX QUADRANGLE, MICHIGAN: USGS MAP GQ-34, SCALE 1:24000}{Production:: BUTLER AND BURBANK, 1929}
ReporterNicholson, Suzanne, Sutphin, D.M., Mason Jr., G.T.