Unnamed Occurrence (ARDF - MG022; near tributary of Cheeneetnuk River), Yukon-Koyukuk Census Area, Alaska, USAi
| Regional Level Types | |
|---|---|
| Unnamed Occurrence (ARDF - MG022; near tributary of Cheeneetnuk River) | - not defined - |
| Yukon-Koyukuk Census Area | Census Area |
| Alaska | State |
| USA | Country |
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Latitude & Longitude (WGS84):
62° 5' 34'' North , 154° 52' 1'' West
Latitude & Longitude (decimal):
Köppen climate type:
Location: This unnamed occurrence is located on the east side of a low hill overlooking an unnamed west-flowing tributary of Cheeneetnuk River; it is at an elevation of 2,050 feet (625 m) in the SE1/4 sec. 12, T. 23 N., R. 31 W., of the Seward Meridian. The occurrence corresponds to map number 98 of Gilbert (1981); his station no. 79WG50.
Geology: This unnamed occurrence is a gossan zone in silty limestone correlative with the Mid-Silurian, Terra Cotta Mountains Sandstone, a unit of the Dillinger subterrane (Bundtzen, Harris, and Gilbert, 1997). No surface dimensions of the mineralized zone are available. One grab sample taken from the gossan contained 2,900 ppm zinc and 180 ppm nickel (Gilbert, 1981).
Workings: W.G. Gilbert found the mineralized zone during geologic mapping for the Alaska Division of Geological and Geophysical Surveys in 1979 (Gilbert, 1981). One sample from the gossan contained 2,900 ppm zinc and 180 ppm nickel.
Reserves: None.
Commodities (Major) - Zn; (Minor) - Ni
Development Status: No
Deposit Model: Polymetallic replacement (?) (Cox and Singer, 1986; model 19a).
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
Detailed Mineral List:
| ⓘ 'Limonite' |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Unclassified | |||
|---|---|---|---|
| ⓘ | 'Limonite' | - | |
List of minerals for each chemical element
Other Databases
| Link to USGS - Alaska: | MG022 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
North America PlateTectonic Plate
- Farewell-McGrath DomainDomain
- Farewell TerranePassive Margin
USA
- Alaska
- Yukon-Koyukuk Census Area
- McGrath Mining DistrictMining District
- Yukon-Koyukuk Census Area
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