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Unnamed Occurrence (ARDF - MC120; north of the Gilahina River), Chistochina Mining District, Valdez-Cordova Census Area, Alaska, USAi
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Latitude & Longitude (WGS84):
61° 28' 56'' North , 143° 35' 34'' West
Latitude & Longitude (decimal):
Köppen climate type:
The locality is in the Wrangell-Saint Elias National Park and Preserve.
Location: This occurrence is at the head of an unnamed north tributary to the Gilahina River. It is at an elevation of about 4,700 feet, 3,500 feet west-northwest of peak 6820 and 4,300 feet southeast of elevation 6444. The site is in the NE1/4 of section 33, T. 4 S., R. 10 E. of the Copper rRver Meridian. This is locality 102 of MacKevett (1976); the location is accurate to within about 1,000 feet.
Geology: MacKevett (1976) describes this as a vein- and disseminated-type deposit in altered upper Paleozoic volcanic rocks. A sample contained 3 parts per million (ppm) silver and 2,000 ppm copper.
Workings: Only limited surface sampling.
Age: Late Paleozoic or younger based on the age of the host rocks (MacKevett, 1978).
Commodities (Major) - Ag, Cu
Development Status: None
Deposit Model: Vein and disseminated
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
1 valid mineral.
Detailed Mineral List:
| ⓘ Chalcopyrite ? Formula: CuFeS2 |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 2 - Sulphides and Sulfosalts | |||
|---|---|---|---|
| ⓘ | Chalcopyrite ? | 2.CB.10a | CuFeS2 |
List of minerals for each chemical element
| S | Sulfur | |
|---|---|---|
| S | ⓘ Chalcopyrite | CuFeS2 |
| Fe | Iron | |
| Fe | ⓘ Chalcopyrite | CuFeS2 |
| Cu | Copper | |
| Cu | ⓘ Chalcopyrite | CuFeS2 |
Other Databases
| Link to USGS - Alaska: | MC120 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
- Wrangell MountainsMountain Range
North America PlateTectonic Plate
- Wrangellia DomainVolcanic Arc
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