| Location: | Ontonagon County, Michigan, United States, North America |
| Lat / long: | 46.78333, -89.06729 |
| dep_id: | 10106201 |
| mrds_id: | W031530 |
| Commodity type: | metallic |
| Major mineral: | Copper |
| Operation type: | Unknown |
| Deposit type: | Secondary Enrichment |
| Production size: | Small ammount of material produced |
| Development status: | Past Producer |
| ore: | Copper |
| gangue: | Quartz, Calcite, Epidote, Pumpellyite-(Mg), Chlorite, Feldspar, Silver |
| model: | 96: Native Cu |
| alteration: | Removal of hematite, copper replacement, quartz-pumpellyite bleaching |
| ore_ctrl: | Concentrated in shoots (stratigraphic in amygdaloid of fissure related). |
| Reporter: | Mason Jr., G.T., Yeager, Keith (Cannon, W.), Sutphin, D.M. |
| hrock_unit: | Portage Lake Volcanics |
| hrock_type: | Basalt |
| References: |
- Deposit:: COPPER RANGE CO., UNPUBLISHED, 1968, BEDROCK GEOLOGY MAP OF THE GREENLAND (SE 1/4) QUADRANGLE, ONTONAGON COUNTY, MICHIGAN. GEOLOGY COMPILED AND MAPPED BY COPPER RANGE EXPLORATION CO., INC., AND BY H. HUBBARD (U.S.G.S.)
- Deposit:: BUTLER, B.S., AND BURBANK, W.S., 1929, THE COPPER DEPOSITS OF MICHIGAN: U.S. GEOLOGICAL SURVEY PROF. PAPER 144, 238P.
- Deposit:: WILBAND, J.T., 1978, THE COPPER RESOURCES OF NORTHERN MICHIGAN; PREPARED FOR THE U.S. BUREAU OF MINES. CONTRACT NO. J0366067, 66P.
- Production:: BUTLER AND BURBANK (1929)
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