Sun; Admiral Prospect, Petersburg Mining District, Wrangell City and Bourough, Alaska, USAi
| Regional Level Types | |
|---|---|
| Sun; Admiral Prospect | Prospect |
| Petersburg Mining District | Mining District |
| Wrangell City and Bourough | Borough |
| Alaska | State |
| USA | Country |
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Latitude & Longitude (WGS84):
57° 19' 54'' North , 132° 54' 50'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Location: This prospect is 1.5 mile west of the east end of Glory Lake near the mouth of a stream that flows south into the lake. It is about 0.3 mile west of the center of section 28, T. 52 S., R. 78 E.
Geology: The Sun prospect was probably known as early as 1929 when it was staked under the name Admiral Group (Unpublished report held by the Bureau of Land Management, Mineral Information Center, Juneau, Alaska). However, this location is somewhat uncertain, although certainly nearby, and the Sun prospect is best described by Still and others (2002). It was restaked in 1974. The prospect consists of a small cut blasted in a cliff face. The deposit consists of a band of galena and sphalerite about 0.1 foot thick and 11 feet long that is conformable to the gneiss country rock. The rocks in the vicinity are part of a Cretaceous tonalite pluton (Gehrels and Berg, 1992). The best of six samples collected by Still and others (2002) contained 1.411 part per million (ppm) gold, 1,245 ppm silver, 9.99 percent lead, 7.1 percent zinc, and 2.54 ppm mercury.
Workings: The only workings are a small cut blasted in a cliff face.
Age: Uncertain; the deposit is a band of sulfides in a gneiss that may or may not be part of a large nearby Cretaceous tonalite pluton.
Commodities (Major) - Ag, Au, Hg, Pb, Zn
Development Status: None
Deposit Model: Galena-sphalerite band in gneiss.
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
2 valid minerals.
Detailed Mineral List:
| ⓘ 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 |
| ⓘ | Galena | 2.CD.10 | PbS |
List of minerals for each chemical element
| S | Sulfur | |
|---|---|---|
| S | ⓘ Galena | PbS |
| S | ⓘ Sphalerite | ZnS |
| Zn | Zinc | |
| Zn | ⓘ Sphalerite | ZnS |
| Pb | Lead | |
| Pb | ⓘ Galena | PbS |
Other Databases
| Link to USGS - Alaska: | SD062 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
- Coast MountainsMountain Range
North America PlateTectonic Plate
- Coast plutonic complexVolcanic Arc
- Taku DomainDomain
USA
- Alaska
- ⭔Wrangell-Petersburg Census AreaBorough
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