Discovery Creek Prospect, Koyukuk Mining District, Yukon-Koyukuk Census Area, Alaska, USAi
| Regional Level Types | |
|---|---|
| Discovery Creek Prospect | Prospect |
| Koyukuk Mining District | Mining District |
| Yukon-Koyukuk Census Area | Census Area |
| Alaska | State |
| USA | Country |
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Latitude & Longitude (WGS84):
67° 34' 47'' North , 149° 46' 11'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
See also: Sukakpak Mountain (CH076).
Location: Discovery Creek, which is not named on the topographic map, drains the south flank of Sukakpak Mountain. It is about 1 1/2 miles long and heads in the area of the Sukakpak Sb-Au vein prospect (CH076). The point of reference is near the mouth of the creek (sec. 22, T. 32 N., R. 10 W., of the Fairbanks Meridian), but the site of any placer mining on the creek is not known. The location is accurate within a 1/2-mile radius.
Geology: Discovery Creek drains the Sukakpak Sb-Au vein occurrence (CH076), and the creek gravels contain clasts of stibnite-quartz vein material (Dillon, 1982). Although there is evidence of early workings on the creek (Dillon, 1982), there are no published descriptions of the deposit. The presence of gold in the creek is substantiated by reports of gold recovered with a suction dredge in 1982 (Dillon, 1982).
Workings: Recent (about 1982) testing with suction dredge and evidence of drift mining in the early 1900s (Dillon, 1982).
Age: Quaternary.
Commodities (Major) - Au; (Minor) - Sb(?)
Development Status: Undetermined
Deposit Model: Placer Au (Cox and Singer, 1986; model 39a)
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
| ⓘ Native Gold Formula: Au |
| ⓘ Stibnite Formula: Sb2S3 |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | Native Gold | 1.AA.05 | Au |
| Group 2 - Sulphides and Sulfosalts | |||
| ⓘ | Stibnite | 2.DB.05 | Sb2S3 |
List of minerals for each chemical element
| S | Sulfur | |
|---|---|---|
| S | ⓘ Stibnite | Sb2S3 |
| Sb | Antimony | |
| Sb | ⓘ Stibnite | Sb2S3 |
| Au | Gold | |
| Au | ⓘ Native Gold | Au |
Other Databases
| Link to USGS - Alaska: | CH077 |
|---|
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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