Unnamed Occurrence (ARDF - KC169), Hassler Lake, Annette Island, Ketchikan Mining District, Prince of Wales-Hyder Census Area, Alaska, USAi
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Latitude & Longitude (WGS84):
55° 11' 9'' North , 131° 28' 1'' West
Latitude & Longitude (decimal):
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Metlakatla | 1,405 (2017) | 9.4km |
| Saxman | 417 (2017) | 16.8km |
| Ketchikan | 8,197 (2017) | 20.8km |
Mindat Locality ID:
200989
Long-form identifier:
mindat:1:2:200989:9
GUID (UUID V4):
ab3b5fbb-35b4-4f91-aef0-09ab9362b505
Location: This occurrence is at an elevation of about 600 feet on a small knoll, 0.1 mile due west of the southwest corner of Hassler Lake. The site is in sections 18, 19, T. 77 S., R. 93 E., of the Copper River Meridian. It corresponds to loc. 17 in Karl (1992). The location is accurate within 0.1 mile.
Geology: The country rock in the area of this site is Silurian trondhjemite that locally is sheared and sericitized, probably owing to Upper Cretaceous, greenschist-grade regional metamorphism (Berg, 1972 [I 684]). The occurrence consists of sparse base-metal sulfide mineralization in the trondhjemite, and is based on a sample of trondhjemite containing Cu-Pb-Zn sulfide minerals collected by a road construction crew in 1990 (Karl, 1992, loc. 17).
Alteration: Local sericitization of trondhjemite country rock.
Commodities (Major) - Cu, Pb; (Minor) - Zn
Development Status: None
Deposit Model: Disseminated sulfide minerals 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
3 valid minerals.
Detailed Mineral List:
| ⓘ Chalcopyrite ? Formula: CuFeS2 |
| ⓘ Galena Formula: PbS |
| ⓘ Sphalerite Formula: ZnS |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 2 - Sulphides and Sulfosalts | |||
|---|---|---|---|
| ⓘ | Sphalerite | 2.CB.05a | ZnS |
| ⓘ | Chalcopyrite ? | 2.CB.10a | CuFeS2 |
| ⓘ | Galena | 2.CD.10 | PbS |
List of minerals for each chemical element
| S | Sulfur | |
|---|---|---|
| S | ⓘ Chalcopyrite | CuFeS2 |
| S | ⓘ Galena | PbS |
| S | ⓘ Sphalerite | ZnS |
| Fe | Iron | |
| Fe | ⓘ Chalcopyrite | CuFeS2 |
| Cu | Copper | |
| Cu | ⓘ Chalcopyrite | CuFeS2 |
| Zn | Zinc | |
| Zn | ⓘ Sphalerite | ZnS |
| Pb | Lead | |
| Pb | ⓘ Galena | PbS |
Other Databases
| Link to USGS - Alaska: | KC169 |
|---|
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References
