Copper Occurrence, Hassler Harbor, Annette Island, Ketchikan Mining District, Prince of Wales-Hyder Census Area, Alaska, USAi
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Latitude & Longitude (WGS84):
55° 12' 14'' North , 131° 24' 50'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Metlakatla | 1,405 (2017) | 13.2km |
| Saxman | 417 (2017) | 17.2km |
| Ketchikan | 8,197 (2017) | 21.3km |
Location: This occurrence is at an elevation of about 100 feet, on the southwest side of the midpoint of the divide between Hassler Harbor and Cascade Inlet. The site is in section 9, T. 77 S., R. 93 E., of the Copper River Meridian. It corresponds to loc. 11 in Berg (1972 [I 684]), loc. 138 in Elliott and others (1978), and loc. 16 in Karl (1992). The location is accurate within a few hundred feet.
Geology: The country rock at this site is Silurian trondhjemite that was regionally metamorphosed to greenschist grade in Late Cretacous time (Berg, 1972). The occurrence consists of chalcopyrite sparsely disseminated in sheared and sericitized trondhjemite (Berg, 1972, loc. 11).
Alteration: Trondhjemite hostrock is sericitized.
Commodities (Major) - Cu
Development Status: None
Deposit Model: Disseminated sulfide deposit in trondhjemite.
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.
Detailed Mineral List:
| ⓘ Chalcopyrite Formula: CuFeS2 |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 2 - Sulphides and Sulfosalts | |||
|---|---|---|---|
| ⓘ | Chalcopyrite | 2.CB.10a | CuFeS2 |
List of minerals for each chemical element
| S | Sulfur | |
|---|---|---|
| S | ⓘ Chalcopyrite | CuFeS2 |
| Fe | Iron | |
| Fe | ⓘ Chalcopyrite | CuFeS2 |
| Cu | Copper | |
| Cu | ⓘ Chalcopyrite | CuFeS2 |
Other Databases
| Link to USGS - Alaska: | KC141 |
|---|
Other Regions, Features and Areas containing this locality
North America
- Coast MountainsMountain Range
North America PlateTectonic Plate
- Alexander DomainDomain
- Alexander TerraneVolcanic Arc
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