Mine detail: Spurr Mine

Previously called 'Spurr Mountain Mine'

<< Back to the map

Location

Lat / long: 46.54083, -88.13254

Resource(M)

Primary: Iron
Ore: Hematite, Grunerite, Siderite
Gangue: Jasper, Magnetite, Chert, Garnet, Siderite, Hornblende, Actinolite, Mica, Chlorite

Production

Operation type: Underground
Deposit type: Secondary Enrichment
Production size: Small
Development status: Past Producer
First production started: 1873
Last production ended: 1886

Geology

Host rock:Negaunee Iron-Formation
Host type:Iron Formation
Alteration processes:Chert replaced by compact or specular hematite and magnetite

References

MRDSW028539
DEP10106104
Reference{Deposit:: KLASNER, J. S., AND CANNON, W. F., 1978 , BEDROCK GEOLOGY MAP OF THE SOUTHERN PART OF THE MICHIGAMME AND THREE LAKES QUADRANGLES, MARQUETTE AND BARAGA COUNTIES, MICHIGAN, USGS MAP 1 - 1078 .}{Deposit:: LAKE SUPERIOR IRON ORE ASSOCIATION, 1938 , LAKE SUPERIOR IRON ORES ( 1ST ED. ): CLEVELAND, OHIO, P. 119 .}{Deposit:: HANNA, T. A., 1902 , STATE OF MICHIGAN MINES AND MINERAL STATISTICS , MARQUETTE, MICHIGAN, P. 78 .}{Deposit:: SECTION FILES, MICHIGAN GEOLOGICAL SURVEY, CLEVELAND-CLIFFS IRON CO., 1950 , SECTION FILES OF THE GEOLOGICAL SURVEY DIVISION OF MICHIGAN DEPT. OF NATURAL RESOURCES.}{Deposit:: JOHNSON, AL, 1998, INVENTORY OF UNDERGROUND MINES, BARAGA COUNTY, MICHIGAN DEPARTMENT OF NATURAL RESOURCES.}
ReporterYeager, Keith (Cannon, W.), Sutphin, D.M., Mason Jr., G.T., Anderson, Arlene (M. Gere)