Mine detail: Cayia Mine

Previously called ''

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Location

Lat / long:

46.09611, -88.27365

Resource(M)

Primary:	Iron
Ore:	Hematite, Goethite, Limonite
Gangue:	Chert, Manganite, Sericite, Chlorite

Production

Operation type:	Underground
Deposit type:	Secondary Enrichment
Production size:	Unknown
Development status:	Past Producer
First production started:	1951
Last production ended:	1954

Geology

Host type:	Iron Formation
Alteration processes:	Chert to hematite (goethite, limonite) in oxidation zones.

References

MRDS	W028646
DEP	10079385
Reference	{Deposit:: JAMES, H. L., DUTTON, C. E., PETTIJOHN,F. J., WIER, K. L., 1968, GEOLOGY AND ORE DEPOSITS OF THE IRON RIVER, CRYSTAL FALLS DISTRICT, IRON COUNTY MICHIGAN. WASHINGTON, U.S. GOVT. PRINTING OFFICE, 1968, PP. 21-23, 88-110.}{Deposit:: LAKE SUPERIOR IRON ORE ASSOCIATION, 1952, LAKE SUPERIOR IRON ORES (2ND ED.): CLEVELAND, OHIO. P. 110.}{Deposit:: JOHNSON, A.M. AND GROTH, E.H., 1998, INVENTORY OF UNDERGROUND MINES, IRON COUNTY, P. 73-75, MICHIGAN DEPARTMENT OF NATURAL RESOURCES.}
Reporter	Yeager, Keith (Cannon, W.), Sutphin, D.M., Mason Jr., G.T., Anderson, Arlene (M. Gere)