Stella; Monday Mine?, Twelvemile Arm, Kasaan Bay, Prince of Wales Island, Ketchikan Mining District, Prince of Wales-Hyder Census Area, Alaska, USAi
| Regional Level Types | |
|---|---|
| Stella; Monday Mine? | - not defined - |
| Twelvemile Arm | - not defined - |
| Kasaan Bay | Bay |
| Prince of Wales Island | Island |
| Ketchikan Mining District | Mining District |
| Prince of Wales-Hyder Census Area | Census Area |
| Alaska | State |
| USA | Country |
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Latitude & Longitude (WGS84):
55° 30' 9'' North , 132° 36' 28'' West
Latitude & Longitude (decimal):
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Hollis | 112 (2011) | 6.3km |
| Thorne Bay | 483 (2017) | 21.3km |
| Klawock | 765 (2017) | 31.2km |
| Hydaburg | 391 (2017) | 35.6km |
Mindat Locality ID:
200155
Long-form identifier:
mindat:1:2:200155:8
GUID (UUID V4):
d5470ca3-56d8-4675-94d6-9baede1a6710
Location: In most reports, the Monday prospect is located about 0.9 mile west-northwest of Kajusgidnas Point and about 0.5 mile north-northwest of the center of section 35, T. 73 S., R. 84 E. Herreid and Rose (1966) and Maas and others (1991) did not visit it or could not find it; they use Brooks' (1902) location, which may not be accurate.
Geology: The Monday deposit is a quartz vein 4 to 14 inches thick along a shear zone (Brooks, 1902; Herreid and Rose, 1966). The quartz contains galena and pyrite; assays showed $5 to $8 per ton in gold (at $20.67 per ounce) and 15-40 ounces of silver per ton. The only workings are open cuts. There is no indication of work since 1901. The rocks in the vicinity of the Monday prospect are Silurian or Ordovician slate of the Descon Formation; sheared andesite forms one wall of the vein. The Stella prospect is nearby. Wright and Wright (1908) describe it as a 3-foot-thick quartz-calcite vein with gouge along one wall; the vein follows the contact between a diorite porphyry dike and black slate. The quartz carries pyrite, galena, and sphalerite. The gold content is low. The prospect was explored by a 130-foot tunnel, which Maas and others (1991) could not find.
Workings: The only workings on the Monday prospect are open cuts. The Stella prospect was explored by a 130-foot tunnel.
Age: Unknown, other than that the prospects are in Silurian or Ordovician rocks.
Commodities (Major) - Ag, Au, Pb, Zn
Development Status: None
Deposit Model: Polymetallic vein? (Cox and Singer, 1986; model 22c).
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
5 valid minerals.
Detailed Mineral List:
| ⓘ Calcite Formula: CaCO3 |
| ⓘ Galena Formula: PbS |
| ⓘ Pyrite Formula: FeS2 |
| ⓘ Quartz Formula: SiO2 |
| ⓘ Sphalerite Formula: ZnS |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 2 - Sulphides and Sulfosalts | |||
|---|---|---|---|
| ⓘ | Sphalerite | 2.CB.05a | ZnS |
| ⓘ | Galena | 2.CD.10 | PbS |
| ⓘ | Pyrite | 2.EB.05a | FeS2 |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Quartz | 4.DA.05 | SiO2 |
| Group 5 - Nitrates and Carbonates | |||
| ⓘ | Calcite | 5.AB.05 | CaCO3 |
List of minerals for each chemical element
| C | Carbon | |
|---|---|---|
| C | ⓘ Calcite | CaCO3 |
| O | Oxygen | |
| O | ⓘ Calcite | CaCO3 |
| O | ⓘ Quartz | SiO2 |
| Si | Silicon | |
| Si | ⓘ Quartz | SiO2 |
| S | Sulfur | |
| S | ⓘ Galena | PbS |
| S | ⓘ Pyrite | FeS2 |
| S | ⓘ Sphalerite | ZnS |
| Ca | Calcium | |
| Ca | ⓘ Calcite | CaCO3 |
| Fe | Iron | |
| Fe | ⓘ Pyrite | FeS2 |
| Zn | Zinc | |
| Zn | ⓘ Sphalerite | ZnS |
| Pb | Lead | |
| Pb | ⓘ Galena | PbS |
Other Databases
| Link to USGS - Alaska: | CR042 |
|---|
Other Regions, Features and Areas containing this locality
North America PlateTectonic Plate
- Alexander DomainDomain
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References
