Boundary Occurrence, Petersburg Mining District, Prince of Wales-Hyder Census Area, Alaska, USAi
| Regional Level Types | |
|---|---|
| Boundary Occurrence | Occurrence |
| Petersburg Mining District | Mining District |
| Prince of Wales-Hyder Census Area | Census Area |
| Alaska | State |
| USA | Country |
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Latitude & Longitude (WGS84):
56° 19' 48'' North , 130° 46' 47'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Ten placer(?) claims staked in the valley of Unuk River (U.S. Bureau of Mines, 1979). Occurrence is in Misty Fiords National Monument.
Location: The Boundary occurrence, known in 1981 (Elliott and Koch, 1981, p. 8, loc. 14) only from a U.S. Bureau of Mines claims map (U.S. Bureau of Mines, 1979), probably is a placer deposit on the Unuk River approximately 1.5 mile below the Alaska-British Columbia boundary. The location is probably accurate within about a quarter of a mile.
Geology: The country rocks in, and immediately upstream from, the area of this placer(?) occurrence are Tertiary or Cretaceous granodiorite and quartz diorite; Mesozoic or Paleozoic metasedimentary and metavolcanic rocks and minor marble; and Eocene leucocratic quartz monzonite and granodiorite (Elliott and Koch, 1981; Koch, 1996). No other geologic information about this property was publicly available in 1981 (Elliott and Koch, 1981, loc. 14).
Age: Holocene?
Production: Unknown, but probably small, if any
Commodities (Major) - Ag, Au
Development Status: None
Deposit Model: Placer?
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: | BC014 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
- Coast MountainsMountain Range
North America PlateTectonic Plate
- Coast plutonic complexVolcanic Arc
- Taku DomainDomain
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