Cache Creek Mine (Spruce Creek), Nome Mining District, Nome Census Area, Alaska, USAi
| Regional Level Types | |
|---|---|
| Cache Creek Mine (Spruce Creek) | Mine |
| Nome Mining District | Mining District |
| Nome Census Area | Census Area |
| Alaska | State |
| USA | Country |
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Latitude & Longitude (WGS84):
64° 35' 27'' North , 164° 8' 56'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Location: Cache Creek is labeled Spruce Creek on older maps. Its mouth is on Taylor Lagoon adjacent to Norton Sound, 8.3 miles east of Solomon. This is locality 105 (Spruce Creek) of Cobb (1972, MF 445; 1978, OF 78-181).
Geology: About 8,000 feet of placer workings have been mapped along this drainage between elevations of about 45 and 130 feet. The workings start about 5,000 feet upstream from the mouth of the creek on Taylor Lagoon. Although prospected in the 1900's (Collier and others, 1908), principal mining was by dredging in the 1930's (Cobb, 1978). Some gravels were locally-derived schist and greenstone that was coarse and not well-rounded (Smith, 1910). The gravels were about 11 feet thick on bedrock and permafrost was locally encountered (Smith, 1933). Some beach gravel was encountered and mined but the location was not reported. The paystreak was reported to have been mined out (Smith, 1939). The elevation and location of this placer indicates that it was influenced by Quaternary sea level fluctuations. Bedrock in the area is part of a pelitic schist assemblage of possible Cambrian or Precambrian age (Till and others, 1986).
Workings: About 8,000 feet of placer workings have mapped along this drainage between elevations of about 45 and 130 feet. The workings start about 5,000 feet upstream from the mouth of the creek on Taylor Lagoon. Although prospected in the 1900's (Collier and others, 1908), principal mining was by dredging in the 1930's (Cobb, 1978).
Age: Quaternary.
Production: The dredge operating on this creek was apparently the major producer in the area between 1932 and 1935; considering the extent of the workings the deposits may have been high grade. The paystreak was reported to have been mined out (Smith, 1939).
Commodities (Major) - Au
Development Status: Yes; medium
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: | SO011 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
North America PlateTectonic Plate
- Brooks-Seward DomainDomain
- Nome ComplexAccretionary Complex
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