Highline Prospect, Hunter Bay, South Prince of Wales Wilderness, Prince of Wales Island, Ketchikan Mining District, Prince of Wales-Hyder Census Area, Alaska, USAi
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Latitude & Longitude (WGS84):
54° 51' 43'' North , 132° 18' 56'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
This prospect is in the South Prince of Wales Wilderness, which is closed to prospecting and mineral exploration.
Location: The Highline Group is on the south side of Hunter Bay at an elevation of about 650 feet; it is about 1,500 feet back from the shoreline, opposite the abandoned cannery on Hunter Bay. The site consists of two claims about 0.3 mile northeast of the center of section 7, T. 81 S., R. 88 E.
Geology: As mapped by Gehrels (1992), the rocks in the area are part of the Devonian Karheen Formation. The geographic limits of the specific rock units are uncertain, but the Karheen Formation includes limestone, porphyritic volcanic rocks, basaltic and andesitic volcanic rocks, and sandstone. The deposit consists of a quartz vein that can be traced for 200 feet. The vein is about 4 feet thick where it is exposed in a open cut about 38 feet long (Wilcox, 1937). The vein is in calcareous wallrock. Practically no ore minerals are visible in the quartz, two samples of which contained a trace of gold and 0.4 ounce of silver per ton.
Workings: The workings consist of an open cut about 38 feet long.
Age: The quartz vein cuts Devonian rocks.
Commodities (Major) - Ag, Au
Development Status: None
Deposit Model: Low-sulfide quartz vein.
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 4 - Oxides and Hydroxides | |||
|---|---|---|---|
| ⓘ | Quartz | 4.DA.05 | SiO2 |
Other Databases
| Link to USGS - Alaska: | DE032 |
|---|
Other Regions, Features and Areas containing this locality
North America PlateTectonic Plate
- Alexander DomainDomain
- Alexander TerraneVolcanic Arc
- Queen Charlotte basinBasin
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