Upper Oshetna River Occurrence, Valdez Creek Mining District, Matanuska-Susitna Borough, Alaska, USAi
| Regional Level Types | |
|---|---|
| Upper Oshetna River Occurrence | Occurrence |
| Valdez Creek Mining District | Mining District |
| Matanuska-Susitna Borough | Borough |
| Alaska | State |
| USA | Country |
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Latitude & Longitude (WGS84):
62° 6' 23'' North , 147° 58' 19'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Glacier View | 234 (2017) | 37.1km |
| Chickaloon | 272 (2011) | 42.9km |
MAS/MIL number 20760100.
Location: This placer occurrence on upper Oshetna River extends about a mile upstream from an elevation of 4,800 feet. The location is accurate.
Geology: The rocks in the Upper Oshetna River drainage are Tertiary, felsic to mafic subaerial volcanic rocks and sub-volcanic intrusions (Csejtey and others, 1978). Gold occurs in the alluvial gravels. Stream-sediment samples collected by the U.S. Bureau of Mines contain 500-800 parts per million zinc; one sample that did not have visible gold had more than 10 parts per million gold (Kurtak and others, 1992).
Workings: Stream-sediment sampling by the U.S. Bureau of Mines (Kurtak and others, 1992).
Age: Quaternary.
Commodities (Major) - Au; (Minor) - Zn
Development Status: None
Deposit Model: Placer Au (Cox and Singer, 1986; model 39a)
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: | TK127 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
North America PlateTectonic Plate
- Peninsular-Talkeetna DomainDomain
- Peninsular TerraneVolcanic Arc
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