Unnamed Occurrence (ARDF - SR232; northeast of Johnson Bay), Prince William Sound Mining District, Valdez-Cordova Census Area, Alaska, USAi
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Latitude & Longitude (WGS84):
60° 21' 4'' North , 147° 47' 9'' West
Latitude & Longitude (decimal):
Köppen climate type:
Location: The occurrence is located near a small lake in the saddle between hill 2125 and hill 1456 and is at an elevation of about 1,600 feet. It is in the NW1/4 section 18, T. 3 N., R. 10 W., of the Seward Meridian. This is location 218 of Tysdal (1978 [MF-880-A]) and location S-60 of Jansons and others (1984). This location is accurate to within a quarter of a mile.
Geology: The occurrence consists of schistose greenstone containing pyrite, quartz, epidote, and minor amounts of chalcopyrite (Richter, 1965). Bedrock in this area strikes N10E and is part of the Orca Group of early Teriary age (Richter, 1965). No other published information is available.
Workings: No workings or assay results are reported. The U.S. Bureau of Mines searched for this occurrence in the early 1980's but did not locate it (Kurtak and Jeske, 1986).
Age: Tertiary or younger; the occurrence is in rocks of the Orca Group of Tertiary age.
Commodities (Major) - Cu
Development Status: None
Deposit Model: Cyprus massive sulfide (Cox and Singer, 1986; model 24a)
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:
| ⓘ Chalcopyrite Formula: CuFeS2 |
| ⓘ Epidote Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| ⓘ Pyrite Formula: FeS2 |
| ⓘ Quartz Formula: SiO2 |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 2 - Sulphides and Sulfosalts | |||
|---|---|---|---|
| ⓘ | Chalcopyrite | 2.CB.10a | CuFeS2 |
| ⓘ | Pyrite | 2.EB.05a | FeS2 |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Quartz | 4.DA.05 | SiO2 |
| Group 9 - Silicates | |||
| ⓘ | Epidote | 9.BG.05a | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| O | Oxygen | |
| O | ⓘ Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| O | ⓘ Quartz | SiO2 |
| Al | Aluminium | |
| Al | ⓘ Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| Si | Silicon | |
| Si | ⓘ Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| Si | ⓘ Quartz | SiO2 |
| S | Sulfur | |
| S | ⓘ Chalcopyrite | CuFeS2 |
| S | ⓘ Pyrite | FeS2 |
| Ca | Calcium | |
| Ca | ⓘ Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| Fe | Iron | |
| Fe | ⓘ Chalcopyrite | CuFeS2 |
| Fe | ⓘ Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| Fe | ⓘ Pyrite | FeS2 |
| Cu | Copper | |
| Cu | ⓘ Chalcopyrite | CuFeS2 |
Other Databases
| Link to USGS - Alaska: | SR232 |
|---|
Other Regions, Features and Areas containing this locality
North America PlateTectonic Plate
- Prince WilliamAccretionary Complex
- Yakutat-Malaspina DomainDomain
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