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Silver Occurrence, Bingo Mountain, Annette Island, Ketchikan Mining District, Prince of Wales-Hyder Census Area, Alaska, USAi
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Latitude & Longitude (WGS84):
55° 13' 18'' North , 131° 34' 8'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Metlakatla | 1,405 (2017) | 10.4km |
| Saxman | 417 (2017) | 10.8km |
| Ketchikan | 8,197 (2017) | 14.2km |
Location: This occurrence is at an elevation of 450 feet on the southwest slope of Bingo Mountain, about 0.9 mile southwest of the top of the mountain. The site is in section 4, T. 77 S., R. 92 E., of the Copper River Meridian. It corresponds to loc. 6 in Karl (1992). The location is accurate within about 300 feet.
Geology: The area of this site is underlain by Upper Jurassic or Cretaceous flyschlike metasedimentary rocks (Berg, 1972 [I 684]; Berg and others, 1988). The rocks were regionally metamorphosed to greenschist-grade phyllite and semischist in Late Cretaceous time. The occurrence consists of quartz-calcite-pyrite fissure veins in argillite and minor metagraywacke (Karl, 1992, loc. 6). A sample of one of the veins contained 2 ppm Ag and 150 ppm Cr.
Workings: A sample of one of the veins contained 2 ppm Ag and 150 ppm Cr.
Age: Probably Late Cretaceous or younger.
Commodities (Major) - Ag
Development Status: None
Deposit Model: Low-sulfide Au-quartz veins? (Cox and Singer, 1986; model 36a)
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.
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 2 - Sulphides and Sulfosalts | |||
|---|---|---|---|
| ⓘ | Pyrite | 2.EB.05a | FeS2 |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Quartz | 4.DA.05 | SiO2 |
| Group 5 - Nitrates and Carbonates | |||
| ⓘ | Calcite | 5.AB.05 | CaCO3 |
List of minerals for each chemical element
| C | Carbon | |
|---|---|---|
| C | ⓘ Calcite | CaCO3 |
| O | Oxygen | |
| O | ⓘ Calcite | CaCO3 |
| O | ⓘ Quartz | SiO2 |
| Si | Silicon | |
| Si | ⓘ Quartz | SiO2 |
| S | Sulfur | |
| S | ⓘ Pyrite | FeS2 |
| Ca | Calcium | |
| Ca | ⓘ Calcite | CaCO3 |
| Fe | Iron | |
| Fe | ⓘ Pyrite | FeS2 |
Other Databases
| Link to USGS - Alaska: | KC163 |
|---|
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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