Mine detail: North American Mine

Previously called 'North American Fissure'

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Location

Lat / long:

47.36944, -88.31671

Resource(M)

Primary:	Copper
Ore:	Copper
Orebody form:	FISSURE

Production

Operation type:	Underground
Production size:	Small
Development status:	Past Producer
First production started:	1846
Last production ended:	1863

Geology

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

References

MRDS	W060057
DEP	10082620
Reference	{Deposit:: BUTLER, B.S., AND BURBANK, W.S., 1929, THE COPPER DEPOSITS OF MICHIGAN: USGS PROF PAPER NO. 144, 238 PP}{Deposit:: DAVIDSON, E.S., ESPENSHADE, G.H., WHITE, W.S., AND WRIGHT, J.C., 1955, BEDROCK GEOLOGY OF THE MOHAWK QUADRANGLE, MICHIGAN: USGS MAP GQ-54, SCALE 1:24000}
Reporter	Nicholson, Suzanne, Sutphin, D.M., Mason Jr., G.T., Anderson, Arlene (M. Gere)