Unnamed Occurrence (ARDF - CV054; west of lower Ibeck Creek), Copper River Mining District, Valdez-Cordova Census Area, Alaska, USAi
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Latitude & Longitude (WGS84):
60° 37' 47'' North , 145° 26' 13'' West
Latitude & Longitude (decimal):
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Cordova | 2,196 (2017) | 20.0km |
Chugach Alaska Corporation, Anchorage, Alaska has control of these lands.
Location: This occurrence is at an elevation of about 2200 feet about a mile west of lower Ibeck Creek and 1/4 mile north of peak 2522. It is in the NE1/4 sec. 29, T. 14 S., R. 1 W., of the Copper River Meridian. Location accurate to within 1000 ft. Location corresponds to site C-18 in Jansons and others (1984).
Geology: The occurrence is hosted in a unit of the Tertiary Orca Group consisting mostly of tabular or lenticular bodies of mafic volcanic rocks, including pillowed or massive flows, breccia and dikes (Nelson and others, 1985). Rocks in the area are iron-stained and contain disseminated pyrite. One grab sample contained 0.25% Zn (Jansons and others, 1984).
Workings: Site examined during U.S. Bureau of Mines mineral evaluation of the Chugach National Forest (Jansons and others, 1984). One grab sample contained 0.25% Zn (Jansons and others, 1984).
Age: Probably Tertiary based on the age of the host rocks.
Alteration: Oxidation of sulfides.
Commodities (Major) - Zn
Development Status: None
Deposit Model: Possibly 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
1 valid mineral.
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 2 - Sulphides and Sulfosalts | |||
|---|---|---|---|
| ⓘ | Pyrite | 2.EB.05a | FeS2 |
Other Databases
| Link to USGS - Alaska: | CV054 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
North America PlateTectonic Plate
- Prince WilliamAccretionary Complex
- Yakutat-Malaspina DomainDomain
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