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Isle Royal No. 2 shaft, Isle Royal Mines, Portage Township, Houghton County, Michigan, USAi
| Regional Level Types | |
|---|---|
| Isle Royal No. 2 shaft | Group ofShafts |
| Isle Royal Mines | Group ofMines |
| Portage Township | Township |
| Houghton County | County |
| Michigan | State |
| USA | Country |
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Latitude & Longitude (WGS84):
47° 6' 27'' North , 88° 34' 14'' West
Latitude & Longitude (decimal):
Type:
Group ofShafts
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Houghton | 7,970(2017) | 1.6km |
| Hancock | 4,555(2017) | 2.3km |
| Dollar Bay | 1,082(2017) | 4.7km |
| South Range | 746(2017) | 6.9km |
| Hubbell | 946(2017) | 12.9km |
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
Local clubs are the best way to get access to collecting localities
| Club | Location | Distance |
|---|---|---|
| Copper Country Rock and Mineral Club | Dollar Bay, Michigan | 5km |
One of the shafts for the Isle Royale Mines.
No pile remains for collectors.
Select Mineral List Type
StandardDetailedGalleryStrunzChemical ElementsCommodity List
This is a list of exploitable or exploited mineral commodities recorded at this locality.Mineral List
3 valid minerals.
Detailed Mineral List:
| ⓘDatolite Formula:CaB(SiO4)(OH) |
| ⓘNative Copper Formula:Cu |
| ⓘNative Silver Formula:Ag |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | Native Copper | 1.AA.05 | Cu |
| ⓘ | Native Silver | 1.AA.05 | Ag |
| Group 9 - Silicates | |||
| ⓘ | Datolite | 9.AJ.20 | CaB(SiO4)(OH) |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘDatolite | CaB(SiO4)(OH) |
| B | Boron | |
| B | ⓘDatolite | CaB(SiO4)(OH) |
| O | Oxygen | |
| O | ⓘDatolite | CaB(SiO4)(OH) |
| Si | Silicon | |
| Si | ⓘDatolite | CaB(SiO4)(OH) |
| Ca | Calcium | |
| Ca | ⓘDatolite | CaB(SiO4)(OH) |
| Cu | Copper | |
| Cu | ⓘNative Copper | Cu |
| Ag | Silver | |
| Ag | ⓘNative Silver | Ag |
Other Regions, Features and Areas containing this locality
North AmericaContinent
North America PlateTectonic Plate
- Mid-continent DomainDomain
- Mid-continent RiftNarrow Rift
USA
- Michigan
- Keweenaw PeninsulaPeninsula
- Midcontinent RiftGeologic Province
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References
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Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2025, except where stated. Most political location boundaries are© OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters. Founded in 2000 byJolyon Ralph.
To cite: Ralph, J., Von Bargen, D., Martynov, P., Zhang, J., Que, X., Prabhu, A., Morrison, S. M., Li, W., Chen, W., & Ma, X. (2025). Mindat.org: The open access mineralogy database to accelerate data-intensive geoscience research. American Mineralogist, 110(6), 833–844.doi:10.2138/am-2024-9486.
Privacy Policy -Terms & Conditions -Contact Us / DMCA issues -Report a bug/vulnerabilityCurrent server date and time: November 28, 2025 20:54:03 Page updated: October 15, 2025 13:35:50
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2025, except where stated. Most political location boundaries are© OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters. Founded in 2000 byJolyon Ralph.
To cite: Ralph, J., Von Bargen, D., Martynov, P., Zhang, J., Que, X., Prabhu, A., Morrison, S. M., Li, W., Chen, W., & Ma, X. (2025). Mindat.org: The open access mineralogy database to accelerate data-intensive geoscience research. American Mineralogist, 110(6), 833–844.doi:10.2138/am-2024-9486.
Privacy Policy -Terms & Conditions -Contact Us / DMCA issues -Report a bug/vulnerabilityCurrent server date and time: November 28, 2025 20:54:03 Page updated: October 15, 2025 13:35:50