Unnamed Occurrence (ARDF - SP006; west of Oyukak Mountain), Noatak Mining District, Northwest Arctic Borough, Alaska, USAi
| Regional Level Types | |
|---|---|
| Unnamed Occurrence (ARDF - SP006; west of Oyukak Mountain) | - not defined - |
| Noatak Mining District | Mining District |
| Northwest Arctic Borough | Borough |
| Alaska | State |
| USA | Country |
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Latitude & Longitude (WGS84):
67° 34' 28'' North , 155° 34' 33'' West
Latitude & Longitude (decimal):
Köppen climate type:
Site is in Gates of the Arctic National Park.
Location: This occurrence is at an elevation of about 5300 feet on a ridge approximately 2 miles west of Oyukak Mountain. It is in the S1/2 sec. 7, T. 25 N., R. 15 E., of the Kateel River Meridian. The location is accurate to within 200 ft. The site corresponds to locality 11 of Grybeck and Nelson (1981).
Geology: This occurrence consists of a grab sample of pyrite-bearing oxidized zones in calcareous siltstone of the Devonian Skagit Limestone. Assays of the sample showed 300 ppm As and 300 ppm Sb (Nelson and Grybeck, 1980; Grybeck and Nelson, 1981). The occurrence apparently is only of local extent.
Workings: Work restricted to surface sampling of outcrop during geologic mapping by USGS in the late 1970s.
Alteration: Oxidized sulfides.
Commodities (Minor) - As, Sb
Development Status: None
List of minerals for each chemical element
Other Databases
| Link to USGS - Alaska: | SP006 |
|---|
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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