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Unnamed Occurrence (ARDF - CR019), Klawock Lake, Prince of Wales Island, Ketchikan Mining District, Prince of Wales-Hyder Census Area, Alaska, USAi
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Latitude & Longitude (WGS84):
55° 30' 48'' North , 132° 57' 18'' West
Latitude & Longitude (decimal):
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Klawock | 765 (2017) | 9.9km |
| Craig | 1,248 (2017) | 12.8km |
| Hollis | 112 (2011) | 20.6km |
| Thorne Bay | 483 (2017) | 33.4km |
| Hydaburg | 391 (2017) | 34.9km |
The Sealaska Corporation holds the subsurface rights to the land in the vicinity of this occurrence.
Location: This occurrence consists of bright yellow- and orange-stained rocks in outcrops on the north side of the road from Hollis to Klawock; it is in the center of section 28, T. 73 S., R. 82 E.
Geology: This occurrence consists of several prominent orange- and yellow-stained exposures 225-300 feet long along roadcuts (D.J. Grybeck, unpublished field notes, 1984). The rocks consist of felsic to intermediate metamorphosed tuffs and and porphyritic intermediate volcanic rocks of the Luck Creek Breccia of Silurian and Ordovician age (Eberlein and others, 1983). The oxidized rocks locally contain several percent disseminated pyrite and display a little copper carbonate staining. Several chip samples across the exposures contained up to 2 parts per million (ppm) silver, 2,000 ppm barium, and 5,000 ppm copper. Several samples from similar bright orange and yellow outcrops along the road about two miles to the southeast had no significant metal values.
Workings: Only surface sampling by government geologist in outcrops beside the road.
Alteration: The outcrops are are oxidized and brightly stained orange and yellow.
Commodities (Major) - Ag, Ba, Cu
Development Status: None
Deposit Model: Metalliferous, volcanogenic(?) layers in Silurian and Ordovician, metamorphosed
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
1 valid mineral.
Gallery:
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: | CR019 |
|---|
Other Regions, Features and Areas containing this locality
North America PlateTectonic Plate
- Alexander DomainDomain
- Alexander TerraneVolcanic Arc
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