Unnamed Occurrences (ARDF - CR192), French Harbor, Prince of Wales Island, Ketchikan Mining District, Prince of Wales-Hyder Census Area, Alaska, USAi
| Regional Level Types | |
|---|---|
| Unnamed Occurrences (ARDF - CR192) | - not defined - |
| French Harbor | - not defined - |
| Prince of Wales Island | Island |
| Ketchikan Mining District | Mining District |
| Prince of Wales-Hyder Census Area | Census Area |
| Alaska | State |
| USA | Country |
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Latitude & Longitude (WGS84):
55° 10' 52'' North , 132° 0' 57'' West
Latitude & Longitude (decimal):
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Metlakatla | 1,405 (2017) | 28.6km |
| Ketchikan | 8,197 (2017) | 29.4km |
| Saxman | 417 (2017) | 30.7km |
Location: This site is about 2 miles north-northeast of French Harbor, about at the center of the NW1/4 section 21, T. 77 S., R. 89 E. It is in the center of a poorly defined mineralized area about a mile wide that trends north for about two miles.
Geology: Hedderly-Smith (1999 [Inventory]) noted numerous occurrences of sparse, stratabound, massive-sulfide mineralization along logging roads in an area about a mile wide that trends north for about two miles. The occurrences are marked by weak gossans. The rocks in the area are chlorite schist, greenstone, and minor limestone of the Wales Group of Late Proterozoic and Cambrian age (Eberlein and others, 1983; Brew, 1996). Samples from the gossans, which are typically less than 1 foot thick, contain about 25 parts per billion (ppb) gold and 100 parts per million (ppm) copper. One sample contained 580 ppb gold and 148 ppm copper.
Workings: Only surface sampling by industry along logging rocks.
Age: Younger than the Late Proterozoic or Cambrian country rocks.
Alteration: None specifically noted other than development of gossan.
Commodities (Major) - Au, Cu
Development Status: None
Deposit Model: Stratabound massive-sulfide layers in schist with small amounts of gold and copp
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: | CR192 |
|---|
Other Regions, Features and Areas containing this locality
North America PlateTectonic Plate
- Alexander DomainDomain
- Alexander TerraneVolcanic Arc
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