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Unnamed Occurrence (ARDF - SK023; on Mount Harding), Skagway Mining District, Skagway, Alaska, USAi
| Regional Level Types | |
|---|---|
| Unnamed Occurrence (ARDF - SK023; on Mount Harding) | - not defined - |
| Skagway Mining District | Mining District |
| Skagway | City Borough |
| Alaska | State |
| USA | Country |
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Latitude & Longitude (WGS84):
59° 25' 11'' North , 135° 25' 47'' West
Latitude & Longitude (decimal):
Köppen climate type:
Location: This occurrence is near the summit of Mount Harding on its northeast side. It is in the northeast corner of section 30, T. 28 S., R. 59 E. of the Copper River Meridian. It is shown as mineral occurrence 9 on sheet 1 of Redman and others (1984) and as map number S076 by Wells and others (1986).
Geology: The following description is from Redman and others (1989). Small, up to 2.5-inch-long, massive pods of pyrrhotite with traces of chalcopyrite in quartz are associated with a fault zone which cuts high grade paragneiss and the Late Cretaceous to early Paleocene, Ferebee pluton. A sample of the pyrrhotite contained 555 ppm copper and 3.1 ppm silver. The Late Cretaceous to early Paleocene age of the Ferebee pluton establishes a maximum age for the mineralization.
Age: Late Cretaceous or younger, based on the age of the Ferebee pluton (Redman and others, 1984).
Commodities (Major) - Ag, Cu
Development Status: None
Deposit Model: Pods of cupriferous, massive sulfides in a fault zone (Redman and others, 1984)
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.
Detailed Mineral List:
| ⓘ Chalcopyrite Formula: CuFeS2 |
| ⓘ Pyrrhotite Formula: Fe1-xS |
| ⓘ Quartz Formula: SiO2 |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 2 - Sulphides and Sulfosalts | |||
|---|---|---|---|
| ⓘ | Chalcopyrite | 2.CB.10a | CuFeS2 |
| ⓘ | Pyrrhotite | 2.CC.10 | Fe1-xS |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Quartz | 4.DA.05 | SiO2 |
List of minerals for each chemical element
| O | Oxygen | |
|---|---|---|
| O | ⓘ Quartz | SiO2 |
| Si | Silicon | |
| Si | ⓘ Quartz | SiO2 |
| S | Sulfur | |
| S | ⓘ Chalcopyrite | CuFeS2 |
| S | ⓘ Pyrrhotite | Fe1-xS |
| Fe | Iron | |
| Fe | ⓘ Chalcopyrite | CuFeS2 |
| Fe | ⓘ Pyrrhotite | Fe1-xS |
| Cu | Copper | |
| Cu | ⓘ Chalcopyrite | CuFeS2 |
Other Databases
| Link to USGS - Alaska: | SK023 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
- Coast MountainsMountain Range
North America PlateTectonic Plate
- Taku DomainDomain
- Yukon-TananaVolcanic Arc
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