Mine detail: Superior Silver Mine

Previously called 'Collins Silver'

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Location

Lat / long:

46.80472, -89.57398

Resource(M)

Primary:	Silver
Orebody form:	IRREGULAR

Production

Operation type:	Underground
Deposit type:	Vein
Production size:	Unknown
Development status:	Past Producer
First production started:	1873
Last production ended:	1876

Geology

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

References

MRDS	LW00150
DEP	10310150
Reference	JOHNSON, A.M. AND GROTH, E.H., 1998, INVENTORY OF UNDERGROUND MINES, ONTONAGON COUNTY, P. 225-226, SITE ID # 660083, MICHIGAN DEPARTMENT OF NATURAL RESOURCES.
Reporter	Anderson, Arlene (M. Gere)