Mine detail: Naumkeag Mine

Previously called 'Naumkeag Exploration'

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Location

Lat / long:

47.11167, -88.59811

Resource(M)

Primary:	Copper
Ore:	Copper
Gangue:	Feldspar, Epidote, Quartz, Calcite
Orebody form:	TABULAR

Production

Operation type:	Underground
Deposit type:	Lode
Production size:	Small
Development status:	Past Producer
First production started:	1870
Last production ended:	1921

Geology

Host rock:	Portage Lake Volcanics
Structure:	Syncline

References

MRDS	W062213
DEP	10082854
Reference	{Deposit:: BUTLER, B.S., AND BURBANK, W.S., 1929, THE COPPER DEPOSITS OF MICHIGAN: USGS PROF PAPER NO. 144, 238 PP.}{Deposit:: WHITE, W.S., 1956, GEOLOGIC MAP OF THE CHASSELL QUADRANGLE, MICHIGAN: USGS MAP MF-43, SCALE 1:24000}{Deposit:: JOHNSON, A.M. AND GROTH, E.H., 1998, INVENTORY OF UNDERGROUND MINES, HOUGHTON COUNTY, MICHIGAN DEPARTMENT OF NATURAL RESOURCES.}
Reporter	Sutphin, D.M. (Cannon, W.F.), Mason Jr., G.T., Anderson, Arlene (M. Gere)