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Argenta Prospects, Juneau Mining District, Juneau, Alaska, USAi
| Regional Level Types | |
|---|---|
| Argenta Prospects | Group of Prospects |
| Juneau Mining District | Mining District |
| Juneau | City Borough |
| Alaska | State |
| USA | Country |
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Latitude & Longitude (WGS84):
57° 55' 54'' North , 133° 45' 18'' West
Latitude & Longitude (decimal):
Type:
Group of Prospects
Köppen climate type:
Location: These old prospects are probably about 0.1 mile northwest of peak 1651 and about 4 miles south of the abandoned town of Snettisham in what is locally called the Argenta Basin. The prospect is about 0.6 mile south-southeast of the center of section 28, T. 45 S., R. 72 E.
Geology: Little is known about the prospects in the Argenta Basin other than that copper, silver, and gold deposits were located there in 1889 (Redman and others, 1989). Work continued through 1892 and two adits were driven, one 150 feet long and the other 125 feet long. The is no record of work after 1901. The rocks in the basin are mafic volcanic rocks and black phyllite, part of the Permian to Cretaceous metavolcanic unit of Gehrels and Berg (1992). Concordant quartz veins with pyrite and pyrrhotite are common.
Workings: Two adits, one 125 feet long and the other 150 feet long.
Commodities (Major) - Ag, Au, Cu
Development Status: None
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:
| ⓘ Pyrite Formula: FeS2 |
| ⓘ Pyrrhotite Formula: Fe1-xS |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 2 - Sulphides and Sulfosalts | |||
|---|---|---|---|
| ⓘ | Pyrrhotite | 2.CC.10 | Fe1-xS |
| ⓘ | Pyrite | 2.EB.05a | FeS2 |
List of minerals for each chemical element
| S | Sulfur | |
|---|---|---|
| S | ⓘ Pyrite | FeS2 |
| S | ⓘ Pyrrhotite | Fe1-xS |
| Fe | Iron | |
| Fe | ⓘ Pyrite | FeS2 |
| Fe | ⓘ Pyrrhotite | Fe1-xS |
Other Databases
| Link to USGS - Alaska: | SD007 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
- Coast MountainsMountain Range
North America PlateTectonic Plate
- Taku DomainDomain
- Yukon-TananaVolcanic Arc
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