Michigan Gypsum Pit & Mill

Iosco County, Michigan, United States

Gypsum-Anhydrite

Land & claims · BLM · live

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BLM MLRS ↗Claims at this point ↗Surface mgmt ↗

Surface manager + active mining claims at this point, live from BLM. The "open to location" notes are a general 1872-Mining-Law guide, not BLM output — decision-support only; verify with BLM MLRS and on the ground before staking or entry.

Commodities

PrimaryGypsum-Anhydrite

Commodity typeNonmetallic

Deposit

Deposit typeMarine-Evaporation

Model253: Bedded gypsum: marine evaporite gypsum

Deposit sizeLarge

Orebody formNATIONAL CITY FORMATION MEMBER OF MICHIGAN FORMATION

Materials

Ore mineralsGypsum

Geology

StructureMichigan basin, Relatively flat lying beds

Economic & production

Development statusProducer

First production1960

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References

A.H. STEVENS, 1968, ECONOMIC POTENTIAL ON MICHIGAN'S GYPSUM DEPOSITS, CONSUMER POWER COMPANY, JACKSON, MICHIGAN.L.I. BRIGGS, 1970, GEOLOGY OF GYPSUM IN THE LOWER PENINSULA, MICHIGAN, PROCEEDINGS SIXTH FORUM ON GEOLOGY OF INDUSTRIAL MINERALS, GEOLOGICAL SURVEY DIVISION, DEPARTMENT OF NATURAL RESOURCES.

Identification

Deposit ID10310004

MRDS IDLW00004

RegionNA

Data scoreC

Coordinates44.18, -83.75988