Mine detail: Central Mine

Previously called 'Central Fissure'

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Location

Lat / long:

47.4, -88.20004

Resource(M)

Primary:	Copper
Ore:	Copper

Production

Operation type:	Surface
Production size:	Small
Development status:	Past Producer
First production started:	1854
Last production ended:	1898

Geology

Host rock:	Portage Lake Volcanics
Host type:	Basalt
Structure:	Fissure crossing Greenstone flow - mines on south side of Greenstone flow

References

MRDS	W060051
DEP	10082614
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, AND WRIGHT, J.C., 1954, BEDROCK GEOLOGY OF THE EAGLE HARBOR QUADRANGLE, MICHIGAN: USGS MAP GQ-36, SCALE 1:24000}{Deposit:: JOHNSON, A.M. AND GROTH, E.H., 1998, INVENTJOHNSON, A.M. AND GROTH, E.H., 1998, INVENTORY OF UNDERGROUND MINES, KEWEENAW COUNTY, SITE ID 420015, MICHIGAN DEPARTMENT OF NATURAL RESOURCES.}{Production:: BUTLER AND BURBANK, 1929}
Reporter	Nicholson, Suzanne, Sutphin, D.M., Mason Jr., G.T., Anderson, Arlene (M. Gere)