| Lat / long: | 44.21, -83.71988 |
| Primary: | Gypsum-Anhydrite |
| Ore: | Gypsum |
| Orebody form: | NATIONAL CITY GYPSUM MEMBER OF MICHIGAN FORMATION |
| Operation type: | Surface |
| Deposit type: | Marine Evaporite |
| Production size: | Large |
| Development status: | Past Producer |
| First production started: | 1925 |
| Structure: | Michigan basin, Relatively flat lying |
| 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) |