Unnamed Occurrence (ARDF - CV042; near mouth of Simpson Creek), Copper River Mining District, Valdez-Cordova Census Area, Alaska, USAi
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Latitude & Longitude (WGS84):
60° 41' 34'' North , 145° 50' 20'' West
Latitude & Longitude (decimal):
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Cordova | 2,196 (2017) | 17.2km |
Occurrence is on Chugach Regional Corporation land.
Location: This occurrence is at an elevation of about 100 feet at the head of Simpson Bay near the mouth of Simpson Creek. It is in the SE1/4 sec. 36, T. 13 S., R. 4 W., of the Copper River Meridian. The location is accurate to within 1000 ft. This location is site C-51 in Jansons and others (1984).
Geology: This occurrence consists of sulfide-bearing stream-sediment float samples of slate. Sulfide minerals are chalcopyrite, pyrite, pyrrhotite, and sphalerite (Jansons and others, 1984). Analyses of two grab samples contained 140 ppm and 1.6% Zn, and 35 ppm and 0.16% Cu.
Workings: Area examined by the U.S. Bureau of Mines as part of a mineral evaluation of the Chugach National Forest. Analyses of two grab samples contained 140 ppm and 1.6% Zn, and 35 ppm and 0.16% Cu (Jansons and others, 1984).
Commodities (Major) - Cu, 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:
| ⓘ Chalcopyrite Formula: CuFeS2 |
| ⓘ 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 |
| ⓘ | Chalcopyrite | 2.CB.10a | CuFeS2 |
| ⓘ | Pyrrhotite | 2.CC.10 | Fe1-xS |
| ⓘ | Pyrite | 2.EB.05a | FeS2 |
List of minerals for each chemical element
| S | Sulfur | |
|---|---|---|
| S | ⓘ Chalcopyrite | CuFeS2 |
| S | ⓘ Pyrite | FeS2 |
| S | ⓘ Pyrrhotite | Fe1-xS |
| S | ⓘ Sphalerite | ZnS |
| Fe | Iron | |
| Fe | ⓘ Chalcopyrite | CuFeS2 |
| Fe | ⓘ Pyrite | FeS2 |
| Fe | ⓘ Pyrrhotite | Fe1-xS |
| Cu | Copper | |
| Cu | ⓘ Chalcopyrite | CuFeS2 |
| Zn | Zinc | |
| Zn | ⓘ Sphalerite | ZnS |
Other Databases
| Link to USGS - Alaska: | CV042 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
North America PlateTectonic Plate
- Prince WilliamAccretionary Complex
- Yakutat-Malaspina DomainDomain
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