Unnamed Occurrence (ARDF - PM022; north of Lumber Bay), Aleutians East Borough, Alaska, USAi
| Regional Level Types | |
|---|---|
| Unnamed Occurrence (ARDF - PM022; north of Lumber Bay) | - not defined - |
| Aleutians East Borough | Borough |
| Alaska | State |
| USA | Country |
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Latitude & Longitude (WGS84):
55° 31' 11'' North , 160° 28' 47'' West
Latitude & Longitude (decimal):
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Sand Point | 1,064 (2017) | 20.4km |
This occurrence is located on land selected by the Aleut Corporation.
Location: This approximately located occurrence is north of Lumber Bay on the Alaska Peninsula, between Balboa Bay and Unga Strait (MacKevett and Holloway, 1977, locality 19; Wilson and others, 1988, locality 19). The map site is at an elevation of about 550 feet, in the NW1/4 of sec. 3, T. 54 S., R. 73 W., of the Seward Meridian. The location is accurate to within 1 mile.
Geology: This occurrence is in late Miocene volcanic rocks (Wilson and others, 1995). It is described as an altered zone in Tertiary rocks (Christie, 1974; MacKevett and Holloway, 1977). The alteration is argillic, possibly of fumarolic origin. The main commodity herein is speculated to be gold, based on its association with altered zones elsewhere in Tertiary volcanic rocks.
Age: Miocene or younger.
Alteration: The alteration is argillic, possibly fumarolic in nature.
Commodities (Major) - Au?
Development Status: No
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsGallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 2 - Sulphides and Sulfosalts | |||
|---|---|---|---|
| ⓘ | Pyrite | 2.EB.05a | FeS2 |
Other Databases
| Link to USGS - Alaska: | PM022 |
|---|
Other Regions, Features and Areas containing this locality
North America PlateTectonic Plate
- Chugach DomainAccretionary Complex
- East Aleutian ArcVolcanic Arc
Pacific OceanOcean
USA
- Alaska
- Alaska Peninsula Mining DistrictMining District
- Aleutian Range
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