Unnamed Occurrence (ARDF - NB017; southeast of Soda Lake), Chisana Mining District, Valdez-Cordova Census Area, Alaska, USAi
| Regional Level Types | |
|---|---|
| Unnamed Occurrence (ARDF - NB017; southeast of Soda Lake) | - not defined - |
| Chisana Mining District | Mining District |
| Valdez-Cordova Census Area | Census Area |
| Alaska | State |
| USA | Country |
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Latitude & Longitude (WGS84):
62° 32' 2'' North , 142° 53' 13'' West
Latitude & Longitude (decimal):
Köppen climate type:
The occurrence is in the Wrangell-St. Elias National Preserve.
Location: This occurrence is on the north-facing slopes, southeast of Soda Lake. It is at an elevation of about 4,500 feet, about 1,800 feet south-southeast of the east end of Soda Lake and 2,000 feet north of hill 5410. The site is just north of the center of section 25, T. 9 N., R. 13 E. of the Copper River Meridian. This is locality 10 of Richter and others (1975) and National Park Service locality WRST-11 (unpublished data). Cobb and Richter (1980) included this locality as an 'Unnamed occurrence'. It is located to within a few hundred feet.
Geology: Native copper occupies fractures in amygdaloidal basalt of the Triassic, Nikolai Greenstone (Richter and others, 1975, 1976; Richter, 1976). Copper mineralization is locally common in Nikolai Greenstone and is thought to have accompanied regional deformation and low-grade metamorphism in the Late Jurassic to Early Cretaceous (MacKevett and others, 1997).
Age: Cretaceous? Copper mineralization is locally common in Nikolai Greenstone and is thought to have accompanied regional deformation and low-grade metamorphism in the Late Jurassic to Early Cretaceous (MacKevett and others, 1997).
Commodities (Major) - Cu
Development Status: None
Deposit Model: Basaltic copper (Cox and Singer, 1986; model 23)
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.
Detailed Mineral List:
| ⓘ Native Copper Formula: Cu |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | Native Copper | 1.AA.05 | Cu |
List of minerals for each chemical element
| Cu | Copper | |
|---|---|---|
| Cu | ⓘ Native Copper | Cu |
Other Databases
| Link to USGS - Alaska: | NB017 |
|---|
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