Halliwell Mine, Porcupine Mountains, Ontonagon County, Michigan, USAi
| Regional Level Types | |
|---|---|
| Halliwell Mine | Mine |
| Porcupine Mountains | Mountain Range |
| Ontonagon County | County |
| Michigan | State |
| USA | Country |
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Latitude & Longitude (WGS84):
46° 47' 18'' North , 89° 37' 23'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| White Pine | 474 (2017) | 4.9km |
| Ontonagon | 1,324 (2017) | 25.2km |
| Wakefield | 1,725 (2017) | 42.4km |
| Marenisco | 254 (2017) | 46.2km |
| Bessemer | 1,770 (2017) | 47.4km |
Mindat Locality ID:
125285
Long-form identifier:
mindat:1:2:125285:2
GUID (UUID V4):
a18de51c-c7e1-4eca-b1ec-b35babad06a1
Commodities (Major) - Copper
Development Status: Past Producer
Deposit Model: 96: Native Cu
Host Rock Unit: Portage Lake Volcanics
Host Rock: Basalt
The Halliwell Mining Company operated between 1895 and 1908 and was one of the last attempts at commercial mining in the Porcupine Mountains. The mine sank two vertical and three inclined shafts into the Nonesuch Formation but failed to make a profit. One of the shafts was sunk on the Noble Vein; however, the vein never produced enough copper and the mine was closed permanently in 1908. Two of the caretakers remained at the site until the 1960’s when they passed away and the State of Michigan took possession. No collecting is allowed at the site.
Commodity List
This is a list of exploitable or exploited mineral commodities recorded at this locality.Rock Types Recorded
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Alphabetical List Tree DiagramList of minerals for each chemical element
Other Regions, Features and Areas containing this locality
North America PlateTectonic Plate
- Mid-continent DomainDomain
USA
- Michigan
- Keweenaw PeninsulaPeninsula
- Midcontinent RiftGeologic Province
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References
