Union Gulch Mine, Nome Mining District, Nome Census Area, Alaska, USAi
| Regional Level Types | |
|---|---|
| Union Gulch Mine | Mine |
| Nome Mining District | Mining District |
| Nome Census Area | Census Area |
| Alaska | State |
| USA | Country |
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Latitude & Longitude (WGS84):
64° 36' 37'' North , 165° 12' 53'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Nome | 3,806 (2018) | 15.2km |
Location: This alluvial gold placer mine is on Union Gulch, a northeast headwater tributary to Buster Creek (NM304). The map location is at an elevation of about 250 feet, in the north-central part of section 23, T. 10 S., R. 33 W., Kateel River Meridian. It is locality 116 of Cobb (1972 [MF 463], 1978 [OFR 78-93]).
Geology: The gravels in Union Gulch are only 10 to 20 feet wide and 30 inches thick, but they are auriferous and estimated to contain about 0.2 ounce of gold per cubic yard (Collier and others, 1908). The coarse and rusty gold is concentrated on bedrock. High-angle faults juxtapose marble- and schist-rich units in this area (Hummel, 1962 [MF 247]).
Workings: It is not known if other than small-scale and local hand mining took place at this site.
Age: Quaternary.
Commodities (Major) - Au
Development Status: Yes; small
Deposit Model: Alluvial 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: | NM270 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
North America PlateTectonic Plate
- Brooks-Seward DomainDomain
- Nome ComplexAccretionary Complex
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