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Clara Creek; Clara Gulch Mine, Koyukuk Mining District, Yukon-Koyukuk Census Area, Alaska, USAi
| Regional Level Types | |
|---|---|
| Clara Creek; Clara Gulch Mine | Mine |
| Koyukuk Mining District | Mining District |
| Yukon-Koyukuk Census Area | Census Area |
| Alaska | State |
| USA | Country |
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Latitude & Longitude (WGS84):
67° 13' 9'' North , 150° 2' 2'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Location: Clara Creek is a westward-flowing tributary to the Middle Fork, Koyukuk River; its mouth is about 1 mile north of Coldfoot. The location of mining on the creek is not accurately described, but it probably occurred over at least a mile of the creek near the junction of Clara Creek and the Middle Fork.
Geology: Gold was discovered on Clara Creek in 1900. Mining in 1900 and 1901 produced $3,000 in gold (about 150 ounces), including an 18 ounce nugget (Maddren, 1913; Schrader, 1904). Reed (1938) reported no evidence of mining on the creek since the early 1900's, although Smith (1936) reported mining in 1934.
Workings: Some mining prior to 1934 and considerable prospecting. There was some recreational suction dredging in the 1990's (Kurtak and others, 2002).
Age: Quaternary.
Production: Mining in 1900-1901 produced $3,000 worth of gold (about 150 ounces), including an 18 ounce nugget.
Commodities (Major) - Au
Development Status: Yes
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: | WI105 |
|---|
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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