Mine detail: Plumer Mine

Previously called 'Former CaledoniaUnionEmmaValanceAnd Former Daylight.Includes Former Plumer'

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Location

Lat / long:

46.40972, -90.28872

Resource(M)

Primary:	Iron
Ore:	Goethite, Hematite
Orebody form:	STRATABOUND
Discovery year:	1848

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer
Production years:	1912-1913,1922-1923, AND 1932.
First production started:	1912
Last production ended:	1932

Geology

Host rock:	Ironwood Formation
Host type:	Iron Formation
Structure:	N-Dipping Sediments; Regional Trends Are East To West., An E-W Linear Iron Formation Going From Gogebic, Mi, To Ironwood, Mi, And To Mellen, Wi, And A Bit Farther W.
Tectonic:	Canadian Shield
Alteration processes:	Gogebic Iron Range Is In The Chlorite Metamorphic Zone In The Least Metamorphosed Area Of The Upper Peninsula.

References

MRDS	W062013
DEP	10082664
Reference	{Deposit:: EMATI}{Deposit:: SCHMIDT, 1980: USGS BULLETIN 1460}{Production:: LAKE SUPERIOR IRON ORE ASSOCIATION, 1952, P. 58}
Reporter	Sutphin, David M., Mason Jr., G.T., Sutphin, David M. (Cannon, W. F.)