Unnamed Prospect (ARDF - SR314; east shore Latouche Island), Prince William Sound Mining District, Valdez-Cordova Census Area, Alaska, USAi
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Latitude & Longitude (WGS84):
60° 1' 21'' North , 147° 50' 49'' West
Latitude & Longitude (decimal):
Köppen climate type:
Mindat Locality ID:
202450
Long-form identifier:
mindat:1:2:202450:2
GUID (UUID V4):
9b6bae37-994e-4503-a0a9-89e1c3b63d18
Location: The prospect is located in the NE1/4 section 11, T. 2 S., R. 9 E., of the Seward Meridian, at an elevation of 10 feet. It is on the southeast side of Latouche Island, about 1.5 miles northeast of Reynolds Peak. This is location S-10 of Jansons and others (1984). This location is accurate to within a quarter of a mile.
Geology: The prospect consists of a mineralized shear zone with massive pyrrhotite on the hanging wall and as much as 15percent chalcopyrite within quartz veins in the shear zone (Kurtak and Jeske, 1986). The shear zone is 3.5 to 4.5 feet wide, trends N40E, and dips 34W. The host rock is silicified slate and sandstone of the Orca Group of early Teriary age (Nelson and others, 1985). Workings on the prospect consist of a single 64-foot adit just above the shoreline. The adit has been driven along the shear zone. A 5-foot-wide chip sample of the shear zone in the adit contained 0.74 percent copper and 0.19 percent zinc (Kurtak and Jeske, 1986).
Workings: Workings consist of a single 64-foot adit near the shoreline. A five-foot-wide chip sample of the shear zone in the adit contained 0.74 percent copper and 0.19 percent zinc (Kurtak and Jeske, 1986).
Age: Tertiary or younger; the mineralization is in rocks of the Orca Group of Tertiary age.
Alteration: Slate and graywacke wallrocks of the mineralized shear zone are silicified (Kurtak and Jeske, 1986).
Reserves: The U.S. Bureau of Mines has estimated inferred reserves of 100 tons of material containing 0.74 percent copper and 0.19 percent zinc (Kurtak and Jeske, 1986).
Commodities (Major) - Cu, Zn
Development Status: None
Deposit Model: Besshi massive sulfide (Cox and Singer, 1986; model 24b)
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.
Detailed Mineral List:
| ⓘ Chalcopyrite Formula: CuFeS2 |
| ⓘ Pyrrhotite Formula: Fe1-xS |
| ⓘ Quartz Formula: SiO2 |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 2 - Sulphides and Sulfosalts | |||
|---|---|---|---|
| ⓘ | Chalcopyrite | 2.CB.10a | CuFeS2 |
| ⓘ | Pyrrhotite | 2.CC.10 | Fe1-xS |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Quartz | 4.DA.05 | SiO2 |
List of minerals for each chemical element
| O | Oxygen | |
|---|---|---|
| O | ⓘ Quartz | SiO2 |
| Si | Silicon | |
| Si | ⓘ Quartz | SiO2 |
| S | Sulfur | |
| S | ⓘ Chalcopyrite | CuFeS2 |
| S | ⓘ Pyrrhotite | Fe1-xS |
| Fe | Iron | |
| Fe | ⓘ Chalcopyrite | CuFeS2 |
| Fe | ⓘ Pyrrhotite | Fe1-xS |
| Cu | Copper | |
| Cu | ⓘ Chalcopyrite | CuFeS2 |
Other Databases
| Link to USGS - Alaska: | SR314 |
|---|
Other Regions, Features and Areas containing this locality
North America PlateTectonic Plate
- Yakutat-Malaspina DomainDomain
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References
