Mine detail: Butternut Exploration

Previously called ''

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Location

Lat / long: 46.01667, -90.51679

Resource(M)

Primary: Iron
Ore: Magnetite
Gangue: Chert, Chlorite, Mica

Production

Operation type: Unknown
Production size: Small
Development status: Unknown

Geology

Structure:Steeply Dipping Beds
Tectonic:Mid-Continent Rift

References

MRDSW060031
DEP10082600
Reference{Deposit:: DUTTON, C.E., 1983, LITHOLOGY AND GEOLOGIC SETTING OF LOWER PROTEROZOIC IRON-FORMATIONS IN PARTS OF NORTHERN WISCONSIN: USGS OPEN-FILE REPORT 84-76, 15 PP.}{Deposit:: MARSDEN, R.W., 1978, IRON ORE RESERVES OF WISCONSIN--A MINERALS AVAILABILITY SYSTEM REPORT, IN GRAVEN, L.K., ED., PRODUCTIVITY IN LAKE SUPERIOR MINING DISTRICT: PROCEEDINGS OF THE 51ST ANNUAL MEETING MINNESOTA SECTION AIME AND 39TH ANNUAL MINING SYMPOSIUM, P. 24.1-24.28.}{Reserve-Resource:: MARSDEN, 1978}
ReporterNicholson, S.W., Sutphin, David M., Mason Jr., G.T.