Mine detail: National City Quarry

Previously called ''

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Location

Lat / long:

44.21, -83.71988

Resource(N)

Primary:	Gypsum-Anhydrite
Ore:	Gypsum
Orebody form:	NATIONAL CITY GYPSUM MEMBER OF MICHIGAN FORMATION

Production

Operation type:	Surface
Deposit type:	Marine Evaporite
Production size:	Large
Development status:	Past Producer
First production started:	1925

Geology

Structure:

Michigan basin, Relatively flat lying

References

MRDS	LW00002
DEP	10310002
Reference	{Deposit:: A.H. STEVENS, 1968, ECONOMIC POTENTIAL ON MICHIGA * GYPSUM DEPOSITS, CONSUMER POWER COMPANY, JACKSON, MICHIGAN.}{Deposit:: L.I. BRIGGS, 1970, GEOLOGY OF GYPSUM IN THE LOWER PENINSULA, MICHIGAN, PROCEEDINGS SIXTH FORUM ON GEOLOGY OF INDUSTRIAL MINERALS, GEOLOGICAL SURVEY DIVISION, MICHIGAN DEPARTMENT OF NATURAL RESOURCES.}
Reporter	Anderson, Arlene (M. Gere)