Lat / long: | 47.21306, -88.46866 |
Primary: | Copper |
Secondary: | Silver |
Ore: | Copper |
Gangue: | Feldspar, Epidote, Quartz, Calcite |
Orebody form: | TABULAR |
Operation type: | Unknown |
Deposit type: | Lode |
Production size: | Small |
Development status: | Past Producer |
Production years: | 1910-1920 |
First production started: | 1910 |
Last production ended: | 1920 |
Host rock: | Kearsarge Amygdaloid, Portage Lake Volcanics |
Host type: | Basalt |
MRDS | W062233 |
DEP | 10082870 |
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., AND WRIGHT, J.C., 1956, GEOLOGIC MAP OF THE LAURIUM QUADRANGLE, MICHIGAN: USGS MAP MF-47, SCALE 1:24000}{Production:: BUTLER, B.S., AND BURBANK, W.S., 1929, P. 88.} |
Reporter | Sutphin, D.M. (Cannon, W.F.), Mason Jr., G.T. |