Unnamed Occurrence (ARDF - SK022; at headwaters of Burro Creek), Skagway Mining District, Skagway, Alaska, USAi
| Regional Level Types | |
|---|---|
| Unnamed Occurrence (ARDF - SK022; at headwaters of Burro Creek) | - not defined - |
| Skagway Mining District | Mining District |
| Skagway | City Borough |
| Alaska | State |
| USA | Country |
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Latitude & Longitude (WGS84):
59° 28' 47'' North , 135° 28' 11'' West
Latitude & Longitude (decimal):
Köppen climate type:
Location: This occurrence is at an elevation of 3,500 feet about 1.4 miles west of Parsons Peak in a saddle at the head of Burro Creek. It is in the south-central part of section 36, T. 27 S., R. 58 E. of the Copper River Meridian. It is shown as mineral occurrence 8 by Redman and others (1984) and as number S066 by Wells and others (1986).
Geology: According to Redman and others (1984), this occurrence consists of quartz vein float from the Burro Creek fault zone where it cuts biotite quartz monzonite of the Ferebee pluton at the head of Burro Creek. The quartz-vein float contains pyrite and chalcopyrite A sample contained 1,580 ppm copper, 50.5 ppm silver, 170 ppm lead, and 128 ppm molybdenum. The veins were found only as float along the fault trace. The mineralization must be younger than the Late Cretaceous to early Paleocene Ferebee pluton (Redman and others, 1984).
Age: Younger than Late Cretaceous based on the age of intrusive rocks cut by the Burro Creek fault (Redman and others, 1984).
Commodities (Major) - Ag, Cu
Development Status: None
Deposit Model: Quartz-sulfide 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
3 valid minerals.
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 2 - Sulphides and Sulfosalts | |||
|---|---|---|---|
| ⓘ | Chalcopyrite | 2.CB.10a | CuFeS2 |
| ⓘ | Pyrite | 2.EB.05a | FeS2 |
| 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 | ⓘ Pyrite | FeS2 |
| Fe | Iron | |
| Fe | ⓘ Chalcopyrite | CuFeS2 |
| Fe | ⓘ Pyrite | FeS2 |
| Cu | Copper | |
| Cu | ⓘ Chalcopyrite | CuFeS2 |
Other Databases
| Link to USGS - Alaska: | SK022 |
|---|
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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