| Lat / long: | 47.43556, -87.81002 |
| Primary: | Copper |
| Ore: | Copper |
| Gangue: | Calcite, Prehnite, Quartz, Datolite, Laumontite, Epidote, Chlorite |
| Orebody form: | FISSURE |
| Operation type: | Underground |
| Production size: | Small |
| Development status: | Past Producer |
| Production years: | 1846-47, 1852-53 |
| First production started: | 1846 |
| Last production ended: | 1853 |
| Host rock: | Portage Lake Volcanics |
| MRDS | W062192 |
| DEP | 10082835 |
| Reference | {Deposit:: BUTLER, B.S., AND BURBANK, W.S., 1929, THE COPPER DEPOSITS OF MICHIGAN: USGS PROF PAPER NO. 144, 238 PP.}{Deposit:: CORNWALL, H. R., 1955, BEDROCK GEOLOGY OF THE FORT WILKINS QUADRANGLE, MICHIGAN: U.S. GEOLOGICAL SURVEY, GEOLOGIC QUADRANGLE MAPS OF THE UNITED STATES, GQ 74, 1:24,000.}{Production:: BUTLER AND BURBANK, 1929.} |
| Reporter | Sutphin, D.M. (Cannon, W.F.), Mason Jr., G.T. |