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Tammany Creek Occurrence, Valdez Creek Mining District, Matanuska-Susitna Borough, Alaska, USAi
| Regional Level Types | |
|---|---|
| Tammany Creek Occurrence | Occurrence |
| Valdez Creek Mining District | Mining District |
| Matanuska-Susitna Borough | Borough |
| Alaska | State |
| USA | Country |
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Latitude & Longitude (WGS84):
63° 5' 24'' North , 147° 39' 36'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Location: This placer gold occurrence is on a south-flowing tributary to lower Wickersham Creek, just above its junction with Butte Creek. The tributary, locally called Tammany Creek, is not named on the topographic map. The area of activity extends about 2 miles downstream from the map site, which is in the SE1/4 of sec. 13, T. 21 S., R. 1 W., of the Fairbanks Meridian. This is location B-4 of Balen (1990: 34-90).
Geology: The drainage basin of Tammany Creek contains Tertiary or Cretaceous granodiorite and Cretaceous or Jurassic turbidites (Wilson and others, 1998). The placer gold was probably derived from auriferous lodes, such as those at HE172 and HE178.
Workings: Surface placer workings.
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: | HE176 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
North America PlateTectonic Plate
- Wrangellia DomainVolcanic Arc
- Yukon-TananaVolcanic Arc
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