| Lat / long: | 47.25583, -88.42255 |
| Primary: | Copper |
| Secondary: | Silver |
| Ore: | Copper |
| Gangue: | Feldspar, Epidote, Quartz, Calcite, Prehnite, Pumpellyite-(Mg), Datolite |
| Orebody form: | TABULAR |
| Operation type: | Unknown |
| Deposit type: | Lode |
| Production size: | Small |
| Development status: | Past Producer |
| Production years: | 1869-1874, 1882, 1891-1892, 1894-1902, 1904-1911. |
| First production started: | 1869 |
| Last production ended: | 1920 |
| Host rock: | Calumet And Hecla Conglomerate, Kearsarge Amygdaloid, Osceola Amygdaloid |
| Host type: | Conglomerate,Basalt |
| Structure: | The Kearsarge amygdaloid is an ophitic flow with plagioclase phenocrysts in |
| MRDS | W062226 |
| DEP | 10082863 |
| 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; USGS MAP GQ-27, SCALE 1:24000}{Production:: BUTLER, B.S., AND BURBANK, W.S., 1929, 81-82BUTLER, B.S., AND BURBANK, W.S., 1929, 81-82.} |
| Reporter | Sutphin, D.M. (Cannon, W.F.), Mason Jr., G.T. |