| Lat / long: | 47.28917, -88.41172 |
| Primary: | Copper |
| Ore: | Copper |
| Gangue: | Epidote |
| Orebody form: | TABULAR |
| Operation type: | Unknown |
| Deposit type: | Lode |
| Production size: | Medium |
| Development status: | Past Producer |
| Production years: | 1869, 1873-1893 (ALLOUEZ CONGLOMERATE); 1905-1920 (KEARSARGE AMYGDALOID). |
| First production started: | 1869 |
| Last production ended: | 1923 |
| Host rock: | Allouez Conglomerate, Kearsarge Amygdaloid |
| Host type: | Conglomerate,Basalt |
| Structure: | Felsic conglomerate |
| Alteration processes: | Alteration associated with the copper mineralization is a pronounced bleaching of the conglomerate from a brownish red to a light pink or salmon color. the color change resulted from the removal of a part, often a large part, of the hematite of the conglomerate with no very pronounced change in the other minerals. |
| MRDS | W062222 |
| DEP | 10082861 |
| 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 AND BURBANK , 1929, P. 77.} |
| Reporter | Sutphin, D.M. (Cannon, W.F.), Mason Jr., G.T. |