Unnamed Occurrence (ARDF - PM036; north of Dorenoi Bay), Aleutians East Borough, Alaska, USAi
| Regional Level Types | |
|---|---|
| Unnamed Occurrence (ARDF - PM036; north of Dorenoi Bay) | - not defined - |
| Aleutians East Borough | Borough |
| Alaska | State |
| USA | Country |
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Latitude & Longitude (WGS84):
55° 42' North , 160° 24' West
Latitude & Longitude (decimal):
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Sand Point | 1,064 (2017) | 40.9km |
The site is located on land selected by the Aleut Corporation.
Location: This approximately located occurrence is on the Alaska Peninsula, about 4.2 miles north of upper Dorenoi Bay (Christie, 1974, color anomaly 75; MacKevett and Holloway, 1977, locality 24; Wilson and others, 1988, locality 24). The map site is at an elevation of 1,100 feet, in the SE1/4 of sec. 35, T. 51 S., R. 72 W., of the Seward Meridian. The location is accurate to within 3 miles.
Geology: The area of this site is marked by a 1- by 2-mile color anomaly (Christie, 1974, number 75) in the late Eocene to early Oligocene Stepovak Formation (Wilson and others, 1995). The bedded rocks are intruded by several plutons. Christie described the occurrence as sparse calcite veins and vein breccias containing a trace of pyrite. He collected six silt samples that contained as much as 0.01 ppm gold, 1.8 ppm silver, 70 ppm copper, 102 ppm zinc, and 4 ppm molybdenum.
Workings: Christie briefly examined and silt-sampled the site in 1974.
Age: Eocene or younger.
Commodities (Major) - Ag, Au; (Minor) - Cu, Mo, Zn
Development Status: None
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 2 - Sulphides and Sulfosalts | |||
|---|---|---|---|
| ⓘ | Pyrite | 2.EB.05a | FeS2 |
| Group 5 - Nitrates and Carbonates | |||
| ⓘ | Calcite | 5.AB.05 | CaCO3 |
List of minerals for each chemical element
| C | Carbon | |
|---|---|---|
| C | ⓘ Calcite | CaCO3 |
| O | Oxygen | |
| O | ⓘ Calcite | CaCO3 |
| S | Sulfur | |
| S | ⓘ Pyrite | FeS2 |
| Ca | Calcium | |
| Ca | ⓘ Calcite | CaCO3 |
| Fe | Iron | |
| Fe | ⓘ Pyrite | FeS2 |
Other Databases
| Link to USGS - Alaska: | PM036 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
North America PlateTectonic Plate
- East Aleutian ArcVolcanic Arc
- Peninsular-Talkeetna DomainDomain
USA
- Alaska
- Alaska Peninsula Mining DistrictMining District
- Aleutian Range
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