Unnamed Occurrence (ARDF - SR066; near Harriman Glacier), Prince William Sound Mining District, Anchorage, Alaska, USAi
| Regional Level Types | |
|---|---|
| Unnamed Occurrence (ARDF - SR066; near Harriman Glacier) | - not defined - |
| Prince William Sound Mining District | Mining District |
| Anchorage | Borough |
| Alaska | State |
| USA | Country |
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Latitude & Longitude (WGS84):
60° 58' 28'' North , 148° 29' 27'' West
Latitude & Longitude (decimal):
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Whittier | 214 (2018) | 24.6km |
| Knik River | 744 (2011) | 58.5km |
Location: The occurrence is located on the north side of Harriman Glacier at an elevation of about 1,500 feet. It is in the N1/2 section 12, T. 10 N., R. 5 E., of the Seward Meridian. This is location S-142 of Jansons and others (1984). This location is accurate to within half a mile.
Geology: The occurrence is hosted in carbonaceous, pyritiferous slate and hematite-stained conglomerate (Hoekzema and Sherman, 1983) of the Valdez Group of Late Cretaceous age (Nelson and others, 1985). The deposit is in a shear zone and consists of pyrite- and galena-bearing quartz veins and stockwork veinlets. The largest vein examined strikes N55W and dips steeply southwest. The conglomerate locally contains clasts as much as 12 inches in diameter that are extremely fractured and healed with quartz veins. A single grab sample contained 0.03 ppm gold (Hoekzema and Sherman, 1983).
Workings: The occurrence was discovered by the U.S. Bureau of Mines in 1981 (Hoekzema and Sherman, 1983). A single grab sample contained 0.03 ppm gold.
Age: Cretaceous or younger; the vein is in a shear zone that cuts rocks of the Valdez Group of Late Cretaceous age.
Commodities (Major) - Au; (Minor) - Pb
Development Status: None
Deposit Model: Low-sulfide Au-quartz vein (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
4 valid minerals.
Detailed Mineral List:
| ⓘ Galena Formula: PbS |
| ⓘ Native Gold Formula: Au |
| ⓘ Pyrite Formula: FeS2 |
| ⓘ Quartz Formula: SiO2 |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | Native Gold | 1.AA.05 | Au |
| Group 2 - Sulphides and Sulfosalts | |||
| ⓘ | Galena | 2.CD.10 | PbS |
| ⓘ | Pyrite | 2.EB.05a | FeS2 |
| 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 |
| S | Sulfur | |
| S | ⓘ Galena | PbS |
| S | ⓘ Pyrite | FeS2 |
| Fe | Iron | |
| Fe | ⓘ Pyrite | FeS2 |
| Au | Gold | |
| Au | ⓘ Native Gold | Au |
| Pb | Lead | |
| Pb | ⓘ Galena | PbS |
Other Databases
| Link to USGS - Alaska: | SR066 |
|---|
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