Mine detail: Peterson Mine (as of 1951)

Previously called 'Peterson Group'

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Location

Lat / long:

46.47139, -90.06372

Resource(M)

Primary:	Iron
Ore:	Hematite

Production

Operation type:	Underground
Production size:	Small
Development status:	Past Producer
Production years:	PETERSON SHUT DOWN IN JAN 1966; THE LAST SHIPMENTS FROM STOCKS WERE IN AUG 1967.
First production started:	1884
Last production ended:	1937

Geology

Host rock:	Ironwood Iron-Formation
Host type:	Iron Formation
Associated rock:	Tyler Formation, Palms Formation
Structure:	Regional trends: E-W

References

MRDS	W001405
DEP	10099664
Reference	{Deposit:: LAKE SUPERIOR IRON ORES, 1952, P. 58.}{Deposit:: VAN HISE AND LEITH, 1911, U. S. G. S. MONOGRAPH}{Deposit:: U.S. BUREAU OF MINES, 1954-1994, MINERALS YEARBOOK [1953-1993]: WASHINGTON, D.C., U. S. GOVERNMENT PRINTING OFFICE, VARIOUS VOLUMES.}{Deposit:: /LAKE SUPERIOR IRON ORE ASSOCIATION 1952 LAKE SUPERIOR IRON ORES: CLEVELAND OHIO 2D ED. 334 P.}{Deposit:: REED R.C. 1975 ONE THOUSAND MILLION TONS MICHIGAN IRON ORE SHIPMENTS THROUGH 1974 CIRCULAR 12 GEOLOGICAL SURVEY DIVISION OF MICHIGAN DEPT. OF NATURAL RESOURCES LANSING MICHIGAN 1975.}{Deposit:: JOHNSON, A.M., AND GROTH, E.H., 1998, INVENTORY OF UNDERGROUND MINES, GOGEBIC COUNTY, P. 185-190, SITE ID# 270054, MICHIGAN DEPARTMENT OF NATURAL RESOURCES.}{Production:: REED 1975}
Reporter	Cannon, Suzanne S., Sutphin, D.M., Mason Jr., G.T., Anderson, Arlene (M. Gere)