Mine detail: Madison Fissure

Previously called 'West Lode Perkins'

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Location

Lat / long:

47.40833, -88.17504

Resource(M)

Primary:	Copper
Ore:	Copper

Production

Operation type:	Surface
Production size:	Small
Development status:	Past Producer
First production started:	1856
Last production ended:	1881

Geology

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

References

MRDS	W060062
DEP	10082624
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}{Production:: BUTLER AND BURBANK, 1929}
Reporter	Nicholson, Suzanne, Sutphin, D.M., Mason Jr., G.T.