Unnamed Occurrence (ARDF - SB023; east side of upper Kupreanof Peninsula), Lake and Peninsula Borough, Alaska, USAi
| Regional Level Types | |
|---|---|
| Unnamed Occurrence (ARDF - SB023; east side of upper Kupreanof Peninsula) | - not defined - |
| Lake and Peninsula Borough | Borough |
| Alaska | State |
| USA | Country |
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Latitude & Longitude (WGS84):
55° 48' 36'' North , 159° 31' 11'' West
Latitude & Longitude (decimal):
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Perryville | 113 (2015) | 25.9km |
This occurrence is in the Alaska Peninsula National Wildlife Refuge, near the boundary of land selected by the Bristol Bay Native Corporation.
Location: This occurrence is on the east side of upper Kupreanof Peninsula. The map site is at an elevation of 1,500 feet, just east of the midpoint of the boundary between secs. 5 and 32, T. 50 and 51 S., R. 66 W., of the Seward Meridian. It is referred to as SBRGX-49 in Wilson and others (1988, locality 23). The location is accurate to within 1 mile.
Geology: This occurrence is volcanic rocks of the Eocene to Oligocene Meshik Formation (Wilson and others, 1995). At the site, an olivine basalt dike cuts tuff and altered and mineralized dacite (Wilson and others, 1988). A rock sample collected by the U.S. Geological Survey was reported to be anomalous in arsenic and lead (Wilson and others, 1988). The alteration and mineralization are not described.
Workings: Rock sample 84ADt181, collected by the U.S. Geological Survey in the mid-1980's, was reported to be anomalous in arsenic and lead (Wilson and others, 1988).
Age: Eocene or younger.
Commodities (Major) - Pb; (Minor) - As
Development Status: None
Commodity List
This is a list of exploitable or exploited mineral commodities recorded at this locality.List of minerals for each chemical element
Other Databases
| Link to USGS - Alaska: | SB023 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
North America PlateTectonic Plate
- East Aleutian ArcVolcanic Arc
- Peninsular-Talkeetna DomainDomain
Pacific OceanOcean
USA
- Alaska
- Alaska Peninsula Mining DistrictMining District
- Aleutian Range
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