Myrtle Creek Prospect, Kantishna Mining District, Denali Borough, Alaska, USAi
| Regional Level Types | |
|---|---|
| Myrtle Creek Prospect | Prospect |
| Kantishna Mining District | Mining District |
| Denali Borough | Borough |
| Alaska | State |
| USA | Country |
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Latitude & Longitude (WGS84):
63° 34' 53'' North , 150° 35' 27'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Myrtle Creek is in Denali National Park and Preserve.
Location: Myrtle Creek is a tributary of the Clearwater Fork of the Toklat River. Myrtle Creek has two main forks: the west fork rises below Spruce Creek; the east fork rises below Kankone Creek. The placer prospect is in the central part of the creek, about halfway between the main tributary forks. It is in the SE1/4 section 26, T. 15 S., R. 16 W., Fairbanks Meridian.
Geology: The west fork of Myrtle Creek below Spruce Creek has an extensive upper basin of undivided terrace and other gravels; the east fork has some alluvial gravel in its upper basin (Levell, 1984, v. 2). Both east and west forks flow through bedrock canyons cut into the Birch Creek Schist before they join the Clearwater to form a broad alluvial valley. Myrtle Creek probably was prospected for placer gold in the early years of the Kantishna district, and may have been mined on a small scale. In 1983, thirteen sluice samples from the main creek and its two main tributaries contained at least a trace of gold (Levell, 1984, v. 2). Three of the samples contained more than 0.001 ounce of gold per cubic yard and one contained 0.0121 ounce of gold per cubic yard. The highest grade sample came from the fork that drains Kankone Peak. Myrtle Creek drains an area of numerous lode mineral deposits. A stream- sediment sample from the tributary fork below Spruce Peak contained 2 ppm silver, and a sediment sample from the main stem of Myrtle Creek between the two main forks contained 65 ppm antimony (Bundtzen, Smith, and Tosdal, 1976).
Workings: Myrtle Creek has been prospected and possibly placer mined on a small scale.
Age: Holocene.
Reserves: Levell (1984, v. 2) estimated a total of 240,000 cubic yards of moderate- potential placer ground in Myrtle Creek.
Commodities (Major) - Au; (Minor) - Ag, Sb
Development Status: Undetermined.
Deposit Model: Au-PGE placer deposit (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
2 valid minerals.
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | 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 | ⓘ Gold | Au |
Other Databases
| Link to USGS - Alaska: | MM059 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
North America PlateTectonic Plate
- North America PlatformPassive Margin
- Yukon-Tanana lower DomainDomain
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