Mine detail: Knowlton Mine

Previously called ''

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Location

Lat / long: 46.75417, -89.11535

Resource(M)

Primary: Copper
Orebody form: IRREGULAR

Production

Operation type: Underground
Production size: Medium
Development status: Past Producer
First production started: 1896
Last production ended: 1906

Geology

Host rock:Portage Lake Volcanics
Host type:Basalt
Structure:Syncline

References

MRDSLW00147
DEP10310147
Reference{Deposit:: JOHNSON, A.M. AND GROTH, E.H., 1998, INVENTORY OF UNDERGROUND MINES, ONTONAGON COUNTY, P. 100-102, SITE ID # 660044, MICHIGAN DEPARTMENT OF NATURAL RESOURCES.}{Production:: UNDERGROUND MINE INVENTORY}
ReporterAnderson, Arlene (M. Gere)