Mine detail: Franklin Junior Mine

Previously called 'Albany and BostonPeninsula'

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Location

Lat / long:

47.17972, -88.52588

Resource(M)

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

Production

Operation type:	Unknown
Deposit type:	Lode
Production size:	Small
Development status:	Past Producer
Production years:	1862-1878 INTRMITTENTLY AS THE ALBANY AND BOSTON MINE; 1883-92 AS PENINSULA MINE; PURCHASED BY FRANKLIN MINING CO. ON 1894.
First production started:	1862
Last production ended:	1911

Geology

Host rock:	Pewabic Amygdaloid, Allouez Conglomerate, Portage Lake Volcanics
Host type:	Basalt,Conglomerate
Structure:	Felsic conglomerate

References

MRDS	W062228
DEP	10082865
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., 1956, GEOLOGIC MAP OF THE HANCOCK QUADRANGLE, MICHIGAN: USGS MAP MF-46, SCALE 1:24000}{Production:: BUTLER, B.S., AND BURBANK, W.S., 1929, P. 77, 93.}
Reporter	Sutphin, D.M. (Cannon, W.F.), Mason Jr., G.T.