Unnamed Mine (ARDF - NM190; east flank of NorthTwin Mountain), Nome Mining District, Nome Census Area, Alaska, USAi
| Regional Level Types | |
|---|---|
| Unnamed Mine (ARDF - NM190; east flank of NorthTwin Mountain) | - not defined - |
| Nome Mining District | Mining District |
| Nome Census Area | Census Area |
| Alaska | State |
| USA | Country |
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Latitude & Longitude (WGS84):
64° 40' 30'' North , 165° 27' 54'' West
Latitude & Longitude (decimal):
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Nome | 3,806 (2018) | 19.5km |
Location: This small placer mine is at an elevation of about 350 to 600 feet in the headwaters of an unnamed, east-trending drainage on the northeast flank of Twin Mountain. The site is 2,500 feet northeast of elevation 1140 on Twin Mountain and is located to within 500 feet. It is near the south end of the boundary between sections 27 and 28, T. 9 S., R. 34 W., Kateel River Meridian and downslope from the Lilly lode prospect (NM189).
Geology: A small hillside placer gold mine was worked by hand methods in the head of a gulch to the east and south of the Lilly lode (NM189). The gulch contains locally derived quartz boulders. Although only low-grade material has been found at the Lilly and nearby prospects, these lodes likely contained some free gold that was the source of the hillside placer.
Workings: Small hand workings are present in this gulch below the Lilly prospect.
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
2 valid minerals.
Detailed Mineral List:
| ⓘ Native Gold Formula: Au |
| ⓘ Quartz Formula: SiO2 |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | Native Gold | 1.AA.05 | Au |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Quartz | 4.DA.05 | SiO2 |
List of minerals for each chemical element
| O | Oxygen | |
|---|---|---|
| O | ⓘ Quartz | SiO2 |
| Si | Silicon | |
| Si | ⓘ Quartz | SiO2 |
| Au | Gold | |
| Au | ⓘ Native Gold | Au |
Other Databases
| Link to USGS - Alaska: | NM190 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
North America PlateTectonic Plate
- Brooks-Seward DomainDomain
- Nome ComplexAccretionary Complex
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