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Edgar Creek Prospect, Marshall Mining District, Kusilvak Census Area, Alaska, USAi
| Regional Level Types | |
|---|---|
| Edgar Creek Prospect | Prospect |
| Marshall Mining District | Mining District |
| Kusilvak Census Area | Census Area |
| Alaska | State |
| USA | Country |
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Latitude & Longitude (WGS84):
61° 53' 42'' North , 161° 47' 27'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Willow Creek | 212 (2010) | 11.4km |
| Marshall | 449 (2017) | 15.3km |
| Russian Mission | 339 (2017) | 27.5km |
Location: Edgar Creek is a west headwater tributary of the Kuyukutuk River. The prospect is on the north side of the headwaters of Edgar Creek and is approximately located, perhaps within one-half mile. The map site is at an elevation of 750 feet, in the SW1/4 sec. 20, T. 21 N., R. 68 W., of the Seward Meridian. This is locality 2 of Hoare and Cobb (1972, 1977).
Geology: Harrington (1918) reported that free-milling gold in quartz veins was discovered near the head of Edgar Creek. Claims were staked on these veins, but other information about them is not available. Hoare and Coonrad (1959) show a prospect symbol at this location and interpret the country rocks as Paleozoic to Mesozoic sedimentary and volcanic strata of the Gemuk Group.
Workings: Claims were staked on this prospect by 1916, and some surface excavations are probably present.
Age: Cretaceous or younger. Veins crosscut Carboniferous (?) to Cretaceous rocks of the Gemuk Group (Hoare and Coonrad, 1959).
Commodities (Major) - Au
Development Status: None
Deposit Model: Low-sulfide Au-quartz veins? (Cox and Singer, 1986; model 36a)
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 1 - Elements | |||
|---|---|---|---|
| ⓘ | Gold | 1.AA.05 | Au |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Quartz | 4.DA.05 | SiO2 |
List of minerals for each chemical element
| O | Oxygen | |
|---|---|---|
| O | ⓘ Quartz | SiO2 |
| Si | Silicon | |
| Si | ⓘ Quartz | SiO2 |
| Au | Gold | |
| Au | ⓘ Gold | Au |
Other Databases
| Link to USGS - Alaska: | RM003 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
North America PlateTectonic Plate
- Koyukuk-Holycross DomainDomain
- Koyukuk ArcsVolcanic Arc
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