Unnamed Occurrence (ARDF - SP042; east of Walker Lake), Shungnak Mining District, Northwest Arctic Borough, Alaska, USAi
| Regional Level Types | |
|---|---|
| Unnamed Occurrence (ARDF - SP042; east of Walker Lake) | - not defined - |
| Shungnak Mining District | Mining District |
| Northwest Arctic Borough | Borough |
| Alaska | State |
| USA | Country |
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Latitude & Longitude (WGS84):
67° 9' 0'' North , 154° 10' 12'' West
Latitude & Longitude (decimal):
Köppen climate type:
Mindat Locality ID:
201700
Long-form identifier:
mindat:1:2:201700:9
GUID (UUID V4):
8a5fab1a-ae4a-4f81-ad8f-01262df98949
Location: This site is at an elevation of about 3700 feet, on a ridge about 4.5 miles east of Walker Lake and 2 miles northwest of the Kobuk River. It is in the NW1/4 of sec. 12, T. 21. N., R 21 E., of the Kateel River Meridian. The location is accurate to within 2000 ft. The site corresponds to locality 73 of Grybeck and Nelson (1981).
Geology: This occurrence consists of a 100-foot-thick section of Mn-stained graphitic schist, from which grab samples assayed up to 5 ppm Ag, 500 ppm Cu, 70 ppm Mo, and 70 ppm Pb. The schist is Devonian in age (Grybeck and Nelson, 1981). Grybeck and Nelson (1981) note that the occurrence is probably similar to volcanogenic massive sulfide deposits elsewhere in the Survey Pass quadrangle.
Age: Devonian, based on the age of the host rocks.
Commodities (Major) - Ag, Cu, Pb, Mo
Development Status: None
Deposit Model: Kuroko massive sulfide (Cox and Singer, 1986; model 28a)
Commodity List
This is a list of exploitable or exploited mineral commodities recorded at this locality.List of minerals for each chemical element
Other Databases
| Link to USGS - Alaska: | SP042 |
|---|
Other Regions, Features and Areas containing this locality
North America
- Brooks RangeMountain Range
- Rocky MountainsMountain Range
North America PlateTectonic Plate
- Brooks Range DomainDomain
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References
