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Longyear-Mansfield exploration, Iron Co., Michigan, USAi
Regional Level Types
Longyear-Mansfield exploration- not defined -
Iron Co.County
MichiganState
USACountry

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Latitude & Longitude (WGS84):
46° 6' 10'' North , 88° 12' 56'' West
Latitude & Longitude (decimal):
Nearest Settlements:
PlacePopulationDistance
Crystal Falls1,414 (2017)9.1km
Alpha138 (2017)14.1km
Florence592 (2017)20.3km
Commonwealth403 (2017)21.1km
Amasa283 (2017)23.1km


An iron exploration conducted by Longyear Michigan Exploring Co. during 1921 near the Mansfield Mine, in Secs. 29 and 29, T43N-R32W. Sixteen holes were drilled into the Mansfield iron-bearing slate member of the Hemlock Volcanics formation.

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List of minerals for each chemical element

References

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Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Bayley, R.W. (1959) Geology of the Lake Mary Quadrangle Iron County, Michigan. United States Geological Survey Bulletin 1077: 105-106. Plate 1.

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