Epidote Mine, Isle Royale National Park, Keweenaw County, Michigan, USAi
| Regional Level Types | |
|---|---|
| Epidote Mine | Mine |
| Isle Royale National Park | National Park |
| Keweenaw County | County |
| Michigan | State |
| USA | Country |
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Latitude & Longitude (WGS84):
48° 2' 34'' North , 88° 36' 33'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Between 1846 and 1849, the Ohio & Isle Royale Company mined this property. The mine was named after the epidote found at the site contained copper. The mine is accessible only by boat as no trials lead to the site. It is said that copper and epidote can be found, but no collecting is allowed.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsCommodity List
This is a list of exploitable or exploited mineral commodities recorded at this locality.Mineral List
3 valid minerals.
Rock Types Recorded
Note: data is currently VERY limited. Please bear with us while we work towards adding this information!
Select Rock List Type
Alphabetical List Tree DiagramDetailed Mineral List:
| ⓘ Datolite Formula: CaB(SiO4)(OH) |
| ⓘ Native Copper Formula: Cu |
| ⓘ Pumpellyite-(Mg) Formula: Ca2MgAl2[Si2O6OH][SiO4](OH)2(OH) |
| ⓘ Pumpellyite-(Mg) var. Chlorastrolite Formula: Ca2MgAl2(Si2O7)(SiO4)(OH)2 · H2O |
| ⓘ 'Thomsonite Subgroup' |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | Native Copper | 1.AA.05 | Cu |
| Group 9 - Silicates | |||
| ⓘ | Datolite | 9.AJ.20 | CaB(SiO4)(OH) |
| ⓘ | Pumpellyite-(Mg) | 9.BG.20 | Ca2MgAl2[Si2O6OH][SiO4](OH)2(OH) |
| ⓘ | var. Chlorastrolite | 9.BG.20 | Ca2MgAl2(Si2O7)(SiO4)(OH)2 · H2O |
| Unclassified | |||
| ⓘ | 'Thomsonite Subgroup' | - | |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Datolite | CaB(SiO4)(OH) |
| H | ⓘ Pumpellyite-(Mg) | Ca2MgAl2[Si2O6OH][SiO4](OH)2(OH) |
| H | ⓘ Pumpellyite-(Mg) var. Chlorastrolite | Ca2MgAl2(Si2O7)(SiO4)(OH)2 · H2O |
| B | Boron | |
| B | ⓘ Datolite | CaB(SiO4)(OH) |
| O | Oxygen | |
| O | ⓘ Datolite | CaB(SiO4)(OH) |
| O | ⓘ Pumpellyite-(Mg) | Ca2MgAl2[Si2O6OH][SiO4](OH)2(OH) |
| O | ⓘ Pumpellyite-(Mg) var. Chlorastrolite | Ca2MgAl2(Si2O7)(SiO4)(OH)2 · H2O |
| Mg | Magnesium | |
| Mg | ⓘ Pumpellyite-(Mg) | Ca2MgAl2[Si2O6OH][SiO4](OH)2(OH) |
| Mg | ⓘ Pumpellyite-(Mg) var. Chlorastrolite | Ca2MgAl2(Si2O7)(SiO4)(OH)2 · H2O |
| Al | Aluminium | |
| Al | ⓘ Pumpellyite-(Mg) | Ca2MgAl2[Si2O6OH][SiO4](OH)2(OH) |
| Al | ⓘ Pumpellyite-(Mg) var. Chlorastrolite | Ca2MgAl2(Si2O7)(SiO4)(OH)2 · H2O |
| Si | Silicon | |
| Si | ⓘ Datolite | CaB(SiO4)(OH) |
| Si | ⓘ Pumpellyite-(Mg) | Ca2MgAl2[Si2O6OH][SiO4](OH)2(OH) |
| Si | ⓘ Pumpellyite-(Mg) var. Chlorastrolite | Ca2MgAl2(Si2O7)(SiO4)(OH)2 · H2O |
| Ca | Calcium | |
| Ca | ⓘ Datolite | CaB(SiO4)(OH) |
| Ca | ⓘ Pumpellyite-(Mg) | Ca2MgAl2[Si2O6OH][SiO4](OH)2(OH) |
| Ca | ⓘ Pumpellyite-(Mg) var. Chlorastrolite | Ca2MgAl2(Si2O7)(SiO4)(OH)2 · H2O |
| Cu | Copper | |
| Cu | ⓘ Native Copper | Cu |
Other Databases
| Link to USGS MRDS: | 10082645 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
- Lake SuperiorLake
North America PlateTectonic Plate
- Mid-continent DomainDomain
- Mid-continent RiftNarrow Rift
USA
- Midcontinent RiftGeologic Province
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