Two Fox Prospect, Aleutian Islands Mining District, Aleutians West Census Area, Alaska, USAi
| Regional Level Types | |
|---|---|
| Two Fox Prospect | Prospect |
| Aleutian Islands Mining District | Mining District |
| Aleutians West Census Area | Census Area |
| Alaska | State |
| USA | Country |
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Latitude & Longitude (WGS84):
53° 16' 48'' North , 168° 18' 36'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
This site is on land conveyed, patented, or selected by the Aleut Native Corporation.
Location: The Two Fox prospect (Randolph and Ellis, 1989) is located approximately 1 mile west of VABM Ande and 1 mile east of the head of Stepanof Cove and may represent Christie's (1974) color anomaly 40. The site location is accurate to within 1/2 mile.
Geology: This geothermal area is described by Randolph and Ellis (1989) as being similar to ARDF number UK011 - Steeple Point. The rocks consist of waterlain tuffs and lahars of Quaternary age. The site contains numerous fumaroles and hot-springs and is marked by a 7,000 x 4000 foot color anomaly. It consists of acid-leached rocks and localized silica stockworks. Some of the fumarolic centers also display strong silicification and pyritization. Hot-spring centers exhibit silicification and calcedonic breccias. Combined metal values from 55 samples obtained here and at Steeple Point (ARDF number UK011) are up to >2000 ppm arsenic, 115 ppb gold, >5 ppm mercury, 11 ppm molybdenum, and 4.4 ppm silver.
Workings: The Aleut-Quintana-Duval JV briefly examined this or a nearby area in 1974 (Christie, 1974). Battle Mountain Exploration sampled the area in 1989.
Age: Quaternary.
Alteration: The alteration here includes argillization, silicification, acid leaching, and pyritization.
Commodities (Major) - Ag, Au; (Minor) - As, Hg
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: | UK005 |
|---|
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