| Lat / long: | 47.3, -88.37533 |
| Primary: | Copper |
| Secondary: | Arsenic |
| Ore: | Copper, Domeykite, Algodonite, Arsenical Copper, Rammelsbergite, Pararammelsbergite, Niccolite |
| Operation type: | Surface |
| Production size: | Small |
| Development status: | Past Producer |
| First production started: | 1900 |
| Last production ended: | 1901 |
| Host rock: | Portage Lake Volcanics |
| Host type: | Basalt |
| Structure: | Fissure crossing the Kearsarge lode |
| MRDS | W060059 |
| DEP | 10082622 |
| 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., CORNWALL, H.R., AND SWANSON, R.W., 1953, BEDROCK GEOLOGY OF THE AHMEEK QUADRANGLE, MICHIGAN: USGS MAP-GQ 27, SCALE 1:24000}{Production:: BUTLER AND BURBANK, 1929} |
| Reporter | Nicholson, Suzanne, Sutphin, D.M., Mason Jr., G.T. |