| Lat / long: | 47.06333, -88.63478 |
| Primary: | Copper |
| Ore: | Copper |
| Gangue: | Quartz, Epidote, Pumpellyite-(Mg), Calcite |
| Orebody form: | TABULAR |
| Operation type: | Unknown |
| Deposit type: | Lode |
| Production size: | Medium |
| Development status: | Past Producer |
| Production years: | 1898 THROUGH 1925, BUT NOT LATER THAN 1968. |
| First production started: | 1898 |
| Last production ended: | 1968 |
| Host rock: | Baltic Amygdaloid Lode, Portage Lake Volcanics |
| Host type: | Basalt |
| Alteration processes: | Quartz-pumpellyite |
| MRDS | W062225 |
| DEP | 10106400 |
| Reference | {Deposit:: BUTLER, B.S., AND BURBANK, W.S., 1929, THE COPPER DEPOSITS OF MICHIGAN: USGS PROF PAPER NO. 144, 238 PP.}{Deposit:: WHITE, W.S., AND WRIGHT, J.C., 1956, GEOLOGIC MAP OF THE SOUTH RANGE QUADRANGLE, MICHIGAN: USGS MAP MF-48, SCALE 1:24000}{Production:: BUTLER AND BURBANK, 1929, P. 70.} |
| Reporter | Sutphin, D.M. (Cannon, W.F.), Mason Jr., G.T. |