Mine detail: Arnold Copper Mine

Previously called ''

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Location

Lat / long:

47.43, -88.19393

Resource(M)

Primary:	Copper
Ore:	Copper

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer
Production years:	ARNOLD MINE PROPER OPENED IN 1863 AND OPERATED FROM 1863 TO ABOUT 1869; CLOSED 1869-1892; ACTIVE 1892-1894; IDLE 1894 TO FEB 1897 WHEN WORK RESUMED.
First production started:	1860
Last production ended:	1900

Geology

Host rock:	Ashbed Amygdaloid, Portage Lake Volcanics
Host type:	Andesite

References

MRDS	W062197
DEP	10082839
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: U.S. GEOLOGICAL SURVEY, GEOLOGIC QUADRANGLE MAPS OF THE UNITED STATES, GQ 36, 1:24,000.}{Production:: BUTLER AND BURBANK, 1929}
Reporter	Sutphin, D.M. (Cannon, W.F.), Mason Jr., G.T.