Unnamed Prospect (ARDF - HE042; upper Bryn Mawr Creek), Valdez Creek Mining District, Matanuska-Susitna Borough, Alaska, USAi
| Regional Level Types | |
|---|---|
| Unnamed Prospect (ARDF - HE042; upper Bryn Mawr Creek) | - not defined - |
| Valdez Creek Mining District | Mining District |
| Matanuska-Susitna Borough | Borough |
| Alaska | State |
| USA | Country |
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Latitude & Longitude (WGS84):
63° 12' 35'' North , 149° 38' 24'' West
Latitude & Longitude (decimal):
Köppen climate type:
Location: This placer deposit is at an elevation of about 3,300 feet on upper Bryn Mawr Creek. It is in the NW1/4 of sec. 3, T. 20 S., R. 11 W., of the Fairbanks Meridian. The location is accurate to within 0.5 mile. This is locality 8 of Cobb (1978: OFR 78-1062).
Geology: The Bryn Mawr Creek placer prospect produced small amounts of gold in 1909 (Cobb, 1978: OFR 78-1062). The source of the gold is the Golden Zone lode deposit (HE043), just upstream from the placer.
Workings: Surface workings only.
Age: Quaternary.
Commodities (Major) - Au
Development Status: Yes; small
Deposit Model: 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: | HE042 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
North America PlateTectonic Plate
- Chulitna-Broad Pass DomainDomain
- Peninsular TerraneVolcanic Arc
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