Eureka Creek Prospect, Aniak Mining District, Bethel Census Area, Alaska, USAi
| Regional Level Types | |
|---|---|
| Eureka Creek Prospect | Prospect |
| Aniak Mining District | Mining District |
| Bethel Census Area | Census Area |
| Alaska | State |
| USA | Country |
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Latitude & Longitude (WGS84):
60° 58' 47'' North , 159° 33' 0'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Location: Eureka Creek is a west tributary to Dominion Creek (BH012), a west tributary to Salmon River. The headwaters of Eureka Creek are on the west side of Marvel Dome. For this record, the map site is arbitarily placed at the trailhead on the middle part of the creek, in the NW1/4 of section 10, T 10 N, R 58 W, of the Seward Meridian (USGS Bethel D-2 topographic map, 1979 edition). Hoare and Cobb (1977) included this location under the name 'Eureka Ck.'.
Geology: Eureka Creek heads on Marvel Dome, where an Upper Cretaceous granitic stock is surrounded by hornfels in sedimentary rocks of the mid-Cretaceous Kuskokwim Group (Box and others, 1993). Placer gold has been found on the creek, but mining apparently has not occurred (Hoare and Cobb, 1977). A small glacier occupied the upper part of Eureka Creek valley, and outwash deposits, including many boulders, fill the lower part of the valley (Maddren, 1915, p. 339). The outwash deposits are incised by the present stream.
Workings: Some exploration is assumed to have taken place on this creek.
Age: Quaternary.
Commodities (Major) - Au
Development Status: None
Deposit Model: Placer Au-PGE (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: | BH018 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
North America PlateTectonic Plate
- Koyukuk ArcsVolcanic Arc
- Walrus-Goodnews DomainDomain
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