Mine detail: Humboldt Mine (Cci)

Previously called ''

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Location

Lat / long:

46.49, -87.90003

Resource(M)

Primary:	Iron
Ore:	Hematite, Magnetite

Production

Operation type:	Surface
Production size:	Unknown
Development status:	Past Producer
Production years:	FIRST PRODUCTION IN 1954 WAS THE FIRST SHIPMENT OF JASPER CONCENTRATE OF ANY MICHIGAN MINE. THE MINE CLOSED 0N 15 MAR 1958.
First production started:	1954
Last production ended:	1972

Geology

Host rock:	Negaunee Iron-Formation
Host type:	Iron Formation
Structure:	Marquette syncline; regional trends: E-W.

References

MRDS	W001396
DEP	10068369
Reference	{Deposit:: JAMES, H. L., 1955, ZONES OF REGIONAL METAMORPHISM IN THE PRECAMBRIAN OF NORTHERN MICHIGAN, G. S. A. BULL., VOL. 66, P. 1455 - 1488}{Deposit:: VAN HISE AND BAYLEY, 1897, U. S. G. S. MONOGRAPH 28.}{Deposit:: GRATON - SALES VOL. A. I. M. E., MARQUETTE DIST., IN ORE DEPOSITS OF THE UNITED STATES, 1933 - 1967.}{Deposit:: 1971 GEOL MAP W. F. CANNON: JOHNSON, A.M. AND GROTH, E.H., 1998, INVENTORY OF UNDERGROUND MINES, MARQUETTE COUNTY, P. 203-204, MICHIGAN DEPARTMENT OF NATURAL RESOURCES.}{Production:: UNDERGROUND MINE INVENTORY}
Reporter	Cannon, Suzanne S., Sutphin, D.M. (Cannon, W.F.), Mason Jr., G.T., Anderson, Arlene (M. Gere)