Russian Bay Occurrence, Aleutian Islands Mining District, Aleutians West Census Area, Alaska, USAi
| Regional Level Types | |
|---|---|
| Russian Bay Occurrence | Occurrence |
| Aleutian Islands Mining District | Mining District |
| Aleutians West Census Area | Census Area |
| Alaska | State |
| USA | Country |
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Latitude & Longitude (WGS84):
53° 9' 36'' North , 168° 26' 23'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
This site is on land selected by the Aleut Native Corporation.
Location: This site is at an elevation of about 800 feet, approximately 2 1/2 miles due west of the head of Russian Bay. Site location is accurate to within 1 mile.
Geology: This site was called the Russian Bay prospect by Randolph and Ellis (1989). It is a geothermal area of hot-springs and one active fumarole and is marked by an 8,000 x 10,000 foot color anomaly. Many centers of extreme acid leaching are present and consist of blue-grey pyritic clay and minor silica. An intensely silicified fault breccia occurs at one locality on the east edge of the color anomaly. Fifty-three rock samples collected by Battle Mountain Exploration contained up to 745 ppm arsenic, 104 ppb gold, > 5 ppm mercury, 23 ppm molybdenum, and 3.8 ppm silver (Randolph and Ellis, 1989).
Workings: Fifty-three rock samples collected by Battle Mountain Exploration contained up to 745 ppm arsenic, 104 ppb gold, >5 ppm mercury, 23 ppm molybdenum, and 3.8 ppm silver (Randolph and Ellis, 1989, p. 11).
Age: Tertiary or younger.
Alteration: This site exhibits argillic alteration and minor silicification.
Commodities (Major) - Ag, Au; (Minor) - As, Hg, Mo
Development Status: None
Deposit Model: Hot-spring Au-Ag (Cox and Singer, 1986, model 25a)
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
3 valid minerals.
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | Native Gold | 1.AA.05 | Au |
| Group 2 - Sulphides and Sulfosalts | |||
| ⓘ | 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 | ⓘ Pyrite | FeS2 |
| Fe | Iron | |
| Fe | ⓘ Pyrite | FeS2 |
| Au | Gold | |
| Au | ⓘ Native Gold | Au |
Other Databases
| Link to USGS - Alaska: | UK010 |
|---|
Other Regions, Features and Areas containing this locality
North America PlateTectonic Plate
- Aleutian Trench basinBasin
- East Aleutian ArcVolcanic Arc
Pacific Ocean
- Bering SeaSea
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