Harris Creek Mine, Kougarok Mining District, Nome Census Area, Alaska, USAi
| Regional Level Types | |
|---|---|
| Harris Creek Mine | Mine |
| Kougarok Mining District | Mining District |
| Nome Census Area | Census Area |
| Alaska | State |
| USA | Country |
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Latitude & Longitude (WGS84):
65° 37' 29'' North , 164° 34' 47'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Location: Harris Creek is the principal north tributary to the North Fork of Kougarok River. The mouth of Harris Creek is about 3.7 miles upstream from the Nome-Taylor road crossing of North Fork. Sainsbury and others (1969) show placer mine workings on the main channel of Harris Creek starting at the mouth and continuing upstream for 4.3 miles. This is locality 35 of Cobb (1972; MF 417; OFR 75-429).
Geology: Gold was discovered in gravels of Harris Creek by 1900 and placer mining started here by 1901 (Collier, 1902; Collier and others, 1908). Sainsbury and others (1969) show placer mine workings on the main channel of Harris Creek starting at the mouth and continuing upstream for 4.3 miles. A dredge operated on at least parts of this drainage. The lower 2 miles of the stream channel crosses Paleozoic marble bedrock and the upper 2-plus miles crosses Lower Paleozoic metasedimentary rocks (Sainsbury and others, 1969; Till and others, 1986). Some auriferous bench gravels are reported along upper parts of the creek. The Harris Creek channel gravels are locally thin, 6 feet or less, and covered by up to 6 feet of muck. Gold was rough and concentrated on broken and fractured limestone (marble) bedrock. Garnet was present in some placer concentrates. This area has undergone at least two cycles of erosion and placer development. The garnet in placer concentrates was probably derived from headwater areas where schist is present.
Workings: Sainsbury and others (1969) show placer mine workings on the main channel of Harris Creek starting at the mouth and continuing upstream for 4.3 miles. A dredge operated on at least parts of this drainage.
Age: Quaternary; the area has probably undergone at least two cycles of erosion and placer development.
Commodities (Major) - Au
Development Status: Yes; small
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:
| ⓘ 'Garnet Group' Formula: X3Z2(SiO4)3 |
| ⓘ Gold Formula: Au |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | Gold | 1.AA.05 | Au |
| Unclassified | |||
| ⓘ | 'Garnet Group' | - | X3Z2(SiO4)3 |
List of minerals for each chemical element
| O | Oxygen | |
|---|---|---|
| O | ⓘ Garnet Group | X3Z2(SiO4)3 |
| Si | Silicon | |
| Si | ⓘ Garnet Group | X3Z2(SiO4)3 |
| Au | Gold | |
| Au | ⓘ Gold | Au |
Other Databases
| Link to USGS - Alaska: | BN027 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
North America PlateTectonic Plate
- Brooks-Seward DomainDomain
- Nome ComplexAccretionary Complex
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