Unnamed Occurrence (ARDF - SR147; on Tributary Creek), Hope Mining District, Kenai Peninsula Borough, Alaska, USAi
| Regional Level Types | |
|---|---|
| Unnamed Occurrence (ARDF - SR147; on Tributary Creek) | - not defined - |
| Hope Mining District | Mining District |
| Kenai Peninsula Borough | Borough |
| Alaska | State |
| USA | Country |
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Latitude & Longitude (WGS84):
60° 42' 6'' North , 149° 31' 47'' West
Latitude & Longitude (decimal):
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Hope | 192 (2017) | 24.7km |
| Moose Pass | 219 (2014) | 25.3km |
| Cooper Landing | 289 (2017) | 28.6km |
| Girdwood | 2,250 (2017) | 33.2km |
| Primrose | 111 (2006) | 37.7km |
Location: This occurrence is at an elevation of about 2,900 feet on upper Tributary Creek. It is in the NW1/4 section 18, T. 7 N., R. 1 W., of the Seward Meridian. This is location 26 of MacKevett and Holloway (1977), location 38 of Cobb and Tysdal (1980), and location S-274 of Jansons and others (1984). This location is accurate to within a quarter of a mile.
Geology: The occurrence consists of quartz veins that heal fractures in a felsic dike that cuts slate and sandstone of the Valdez Group of Late Cretaceous age (Tysdal, 1978 [MF-880-A]). The quartz contains little gold or other ore minerals.
Workings: No workings are reported. There are no data on possible gold content. The U.S. Bureau of Mines searched for the occurrence in 1979 but did not find it (Hoekzema and Sherman, 1983).
Age: Cretaceous or younger; the felsic dike cuts rocks of the Valdez Group of Late Cretaceous age.
Commodities (Major) - Au
Development Status: None
Deposit Model: Low-sulfide Au-quartz veins (Cox and Singer, 1986; model 36a)
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.
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | 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 | ⓘ Gold | Au |
Other Databases
| Link to USGS - Alaska: | SR147 |
|---|
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