Mine detail: Black River Falls

Previously called 'Ron MoundSeven Mile Mound MineBlack River Falls MineJackson County Iron Mine.'

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Location

Lat / long:

44.29306, -90.72513

Resource(M)

Primary:	Iron
Ore:	Hematite, Magnetite
Gangue:	Quartz
Orebody form:	TABULAR

Production

Operation type:	Unknown
Production size:	Large
Development status:	Past Producer
Production years:	1969 TO 1982
First production started:	1969
Last production ended:	1982

Geology

Host rock:	Black River Falls Iron
Host type:	Iron Formation
Alteration processes:	Other: Moderate

References

MRDS	W017463
DEP	10072338
Reference	{Deposit:: HEYL, A.V., JR., AGNEW, A.F., LYONS, E.J., AND BEHRE, C.H., JR., WITH SPECIAL SECTIONS BY FLINT, A.E., 1959, THE GEOLOGY OF THE UPPER MISSISSIPPI VALLEY ZINC-LEAD DISTRICT: U.S. GEOLOGICAL SURVEY PROFESSIONAL PAPER 309, 310 P}{Production:: MINERALS YEARBOOK 1983, V. II, DOMESTIC, P. 604}{Reserve-Resource:: MARSDEN, 1978}
Reporter	Weeks, Robert, Sutphin, David M., Mason Jr., G.T.