Midas Creek Occurrence, Noatak Mining District, Northwest Arctic Borough, Alaska, USAi
| Regional Level Types | |
|---|---|
| Midas Creek Occurrence | Occurrence |
| Noatak Mining District | Mining District |
| Northwest Arctic Borough | Borough |
| Alaska | State |
| USA | Country |
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Latitude & Longitude (WGS84):
67° 51' 0'' North , 156° 13' 11'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Located within Gates of the Arctic National Park.
Location: Location is on Midas Creek at approximately 2800 ft. (700 m) elevation in T. 28 N., R. 12 E., Kateel River Meridian. Location shown as locality 63 in Mayfield and Grybeck (1978), and is accurate to within 2000 ft. (600 m).
Geology: Subeconomic concentration of small particles of gold in lower course of Midas Creek. Gravel in upper course of Midas Creek is not auriferous (Degenhart and others, 1978, p. 377-379).
Workings: U.S. Bureau of Mines sampling program ( Degenhart and others, 1978, p. 378, 381-382, and fig. 20) showed the following: Sample BM 668: piece of quartz in stream float contained 7.2 ppm Ag and 145 ppb Au. No bedrock source found; Sample BM 677: stream silt sample contained 510 ppb Au; Sample BM 678: stream silt sample contained 50 ppb Au.
Reserves: No significant production or potential (Degenhart and others 1978).
Commodities (Major) - Au
Development Status: Unknown
Deposit Model: Stream placer
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:
| ⓘ Native Gold Formula: Au |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | Native Gold | 1.AA.05 | Au |
List of minerals for each chemical element
| Au | Gold | |
|---|---|---|
| Au | ⓘ Native Gold | Au |
Other Databases
| Link to USGS - Alaska: | AR061 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
- Brooks RangeMountain Range
- Rocky MountainsMountain Range
North America PlateTectonic Plate
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