Unnamed Occurrence (ARDF - SP040; west of Walker Lake), Shungnak Mining District, Northwest Arctic Borough, Alaska, USAi
| Regional Level Types | |
|---|---|
| Unnamed Occurrence (ARDF - SP040; west 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° 33' 36'' West
Latitude & Longitude (decimal):
Köppen climate type:
Location: This occurrence is at an elevation of about 3200 feet on a ridge 2.5 miles west of Walker Lake. It is in the E1/2 of sec. 7, T. 20 N., R. 20 E., of the Kateel River Meridian. Location is accurate to within 2000 ft. The site corresponds to locality 70 of Grybeck and Nelson (1981).
Geology: This occurrence consists of rubble in an area at least 600 square feet in diameter. About 25-50% of the rubble consists of large, irregular masses of botryoidal goethite that replaces or fills open spaces in marble (Grybeck and Nelson, 1981).
Workings: This area briefly examined during regional geologic mapping by the USGS in the late 1970s.
Commodities (Major) - Fe
Development Status: None
Deposit Model: Goethite in marble.
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 4 - Oxides and Hydroxides | |||
|---|---|---|---|
| ⓘ | Goethite | 4.00. | Fe3+O(OH) |
| Group 5 - Nitrates and Carbonates | |||
| ⓘ | Calcite | 5.AB.05 | CaCO3 |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Goethite | Fe3+O(OH) |
| C | Carbon | |
| C | ⓘ Calcite | CaCO3 |
| O | Oxygen | |
| O | ⓘ Calcite | CaCO3 |
| O | ⓘ Goethite | Fe3+O(OH) |
| Ca | Calcium | |
| Ca | ⓘ Calcite | CaCO3 |
| Fe | Iron | |
| Fe | ⓘ Goethite | Fe3+O(OH) |
Other Databases
| Link to USGS - Alaska: | SP040 |
|---|
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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