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Unnamed Occurrence (ARDF - WI045; south of Ernie Lake), Koyukuk Mining District, Yukon-Koyukuk Census Area, Alaska, USAi
| Regional Level Types | |
|---|---|
| Unnamed Occurrence (ARDF - WI045; south of Ernie Lake) | - not defined - |
| Koyukuk Mining District | Mining District |
| Yukon-Koyukuk Census Area | Census Area |
| Alaska | State |
| USA | Country |
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Latitude & Longitude (WGS84):
67° 21' 23'' North , 152° 58' 8'' West
Latitude & Longitude (decimal):
Köppen climate type:
This occurrence is in Gates of the Arctic National Park.
Location: This occurrence is located about 2.2 miles south of the east end of Ernie Lake. The occurrence is at the top of a ridge at an elevation of about 1,320 meters, about 0.4 mile west of the top of hill 1425, in the NW1/4 section 8, T. 29 N., R. 25 W of the Fairbanks Meridian. This occurrence is the site of sample 54 in Dillon and others (1981 [AOF 133B]). The location is accurate.
Geology: This occurrence consists of chlorite-talc-quartz schist with lenses of pyrite and galena(?) less than 6 cm long (Dillon and others, 1981 [AOF 133B]). The rocks in the area consist of Devonian, Skajit Limestone and/or Proterozoic(?) banded schist (Dillon and others, 1986).
Workings: Only surface sampling.
Commodities (Major) - Pb
Development Status: None
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
2 valid minerals.
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 2 - Sulphides and Sulfosalts | |||
|---|---|---|---|
| ⓘ | Galena ? | 2.CD.10 | PbS |
| ⓘ | Pyrite | 2.EB.05a | FeS2 |
List of minerals for each chemical element
| S | Sulfur | |
|---|---|---|
| S | ⓘ Galena | PbS |
| S | ⓘ Pyrite | FeS2 |
| Fe | Iron | |
| Fe | ⓘ Pyrite | FeS2 |
| Pb | Lead | |
| Pb | ⓘ Galena | PbS |
Other Databases
| Link to USGS - Alaska: | WI045 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
- Brooks RangeMountain Range
- Rocky MountainsMountain Range
North America PlateTectonic Plate
- Brooks Range DomainVolcanic Arc
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