| Lat / long: | 42.0564, -83.22098 |
| Primary: | Silica |
| Ore: | Quartz |
| Gangue: | Dolomite |
| Orebody form: | BLANKET |
| Operation type: | Surface |
| Deposit type: | Sedimentary |
| Production size: | Medium |
| Development status: | Producer |
| Host rock: | Sylvania Formation |
| Host type: | Sandstone |
| Structure: | Michigan basin, Relatively flat lying |
| MRDS | LW00026 |
| DEP | 10310026 |
| Reference | {Deposit:: MICHIGA* INDUSTRIAL SAND RESOURCES, 2000, CIRCULAR 11, GEOLOGICAL SURVEY DIVISION, LANSING, MICHIGAN.}{Deposit:: HEINRICH, E.W, 1979, ECONOMIC GEOLOGY OF THE SAND AND SANDSTONE RESOURCES OF MICHIGAN, GEOLOGICAL SURVEY DIVISION, LANSING, MICHIGAN.}{Deposit:: U.S. SILICA COMPANY WEB PAGE, http://www.u-s-silica.com/rockwood.html} |
| Reporter | Anderson, Arlene (M. Gere) |