Wells Bay No. 3 Occurrence, Prince William Sound Mining District, Valdez-Cordova Census Area, Alaska, USAi
| Regional Level Types | |
|---|---|
| Wells Bay No. 3 Occurrence | Occurrence |
| Prince William Sound Mining District | Mining District |
| Valdez-Cordova Census Area | Census Area |
| Alaska | State |
| USA | Country |
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Latitude & Longitude (WGS84):
61° 4' 12'' North , 147° 17' 23'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Location: On above glacier feeding the headwaters of the primary drainage into Wells Bay. NE1/4 sec. 3, T. 11 N., R. 12 E., of the Seward Meridian. Accurate within 2,000 ft. Locality A-7 of Jansons and others (1984).
Geology: According to Jansons and others (1984), two 1 to 4 ft wide shear zones cut sandstone, siltstone, and mudstone of the Tertiary Orca Group. The shear zones have been mineralized by sphalerite, galena, pyrite, and pyrrohitite. Chip, grab, and shallow core samples collected show that the zones contain 93 ppm to 4.6 percent Zn, 32 ppm to 2 percent Pb, 0.6 ppm to 4.6 g/ton Ag, 11 ppm to 1.1 percent As (Jansons and others, 1984).
Workings: Chip, grab, and shallow core samples collected show that the zones contain 93 ppm to 4.6 percent Zn, 32 ppm to 2 percent Pb, 0.6 ppm to 4.6 g/ton Ag, 11 ppm to 1.1 percent As. Values indicate a low potential for mineral development (Jansons and others, 1984).
Age: Paleocene or younger; shear zones cut the sandstone, siltstone, and mudstone of the Tertiary Orca Group.
Commodities (Major) - Ag, As, Pb, Zn
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
4 valid minerals.
Detailed Mineral List:
| ⓘ Galena Formula: PbS |
| ⓘ Pyrite Formula: FeS2 |
| ⓘ Pyrrhotite Formula: Fe1-xS |
| ⓘ Sphalerite Formula: ZnS |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 2 - Sulphides and Sulfosalts | |||
|---|---|---|---|
| ⓘ | Sphalerite | 2.CB.05a | ZnS |
| ⓘ | Pyrrhotite | 2.CC.10 | Fe1-xS |
| ⓘ | Galena | 2.CD.10 | PbS |
| ⓘ | Pyrite | 2.EB.05a | FeS2 |
List of minerals for each chemical element
| S | Sulfur | |
|---|---|---|
| S | ⓘ Galena | PbS |
| S | ⓘ Pyrite | FeS2 |
| S | ⓘ Pyrrhotite | Fe1-xS |
| S | ⓘ Sphalerite | ZnS |
| Fe | Iron | |
| Fe | ⓘ Pyrite | FeS2 |
| Fe | ⓘ Pyrrhotite | Fe1-xS |
| Zn | Zinc | |
| Zn | ⓘ Sphalerite | ZnS |
| Pb | Lead | |
| Pb | ⓘ Galena | PbS |
Other Databases
| Link to USGS - Alaska: | AN153 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
North America PlateTectonic Plate
- Prince WilliamAccretionary Complex
- Yakutat-Malaspina DomainDomain
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