Unnamed Occurrence (ARDF - NB054; east of head of Nikonda Creek), Chisana Mining District, Valdez-Cordova Census Area, Alaska, USAi
| Regional Level Types | |
|---|---|
| Unnamed Occurrence (ARDF - NB054; east of head of Nikonda Creek) | - 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° 6' 35'' North , 142° 40' 55'' West
Latitude & Longitude (decimal):
KΓΆppen climate type:
Mindat Locality ID:
201393
Long-form identifier:
mindat:1:2:201393:3
GUID (UUID V4):
f3084a31-53b7-4acf-945c-2f01601db4f6
The occurrence is in the Wrangell-St. Elias National Preserve.
Location: This occurrence is about 2.3 miles east of the head of Nikonda Creek. It is at an elevation of about 7,400 feet, 3,500 feet southeast of peak 8701 in the SW1/4 of section 21, T. 4 N., R. 15 E. of the Copper River Meridian. This is locality 12 of Richter (1973), locality 33 of Richter and others (1975), and National Park Service locality WRST-48 (unpublished data). This locality is included as an 'Unnamed occurrence' by Cobb and Richter (1980). It is located to within a few hundred feet.
Geology: This occurrence is a quartz vein with minor chalcopyrite, galena, and sphalerite; the vein cuts volcanic rocks of the upper Paleozoic Tetelna Volcanics (Richter, 1973; Richter and others, 1975; Richter, 1976). A sample of sulfide-bearing quartz contained 1 parts per million (ppm) gold, 30 ppm silver, 15,000 ppm copper, 15,000 ppm lead, and more than 10,000 ppm zinc (Richter and Matson, 1970 [OFR 70-276]).
Age: Cretaceous or Tertiary? Probably the same age as other base and precious metal deposits in the Nabesna A-4 quadrangle (for example NB043, NB045, and NB050).
Commodities (Major) - Ag, Au, Cu, Pb, Zn
Development Status: None
Deposit Model: Polymetallic veins (Cox and Singer, 1986; model 22c)
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
5 valid minerals.
Detailed Mineral List:
| β Chalcopyrite Formula: CuFeS2 |
| β Galena Formula: PbS |
| β Gold Formula: Au |
| β Quartz Formula: SiO2 |
| β Sphalerite Formula: ZnS |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| β | Gold | 1.AA.05 | Au |
| Group 2 - Sulphides and Sulfosalts | |||
| β | Sphalerite | 2.CB.05a | ZnS |
| β | Chalcopyrite | 2.CB.10a | CuFeS2 |
| β | Galena | 2.CD.10 | PbS |
| Group 4 - Oxides and Hydroxides | |||
| β | Quartz | 4.DA.05 | SiO2 |
List of minerals for each chemical element
| O | Oxygen | |
|---|---|---|
| O | β Quartz | SiO2 |
| Si | Silicon | |
| Si | β Quartz | SiO2 |
| S | Sulfur | |
| S | β Chalcopyrite | CuFeS2 |
| S | β Galena | PbS |
| S | β Sphalerite | ZnS |
| Fe | Iron | |
| Fe | β Chalcopyrite | CuFeS2 |
| Cu | Copper | |
| Cu | β Chalcopyrite | CuFeS2 |
| Zn | Zinc | |
| Zn | β Sphalerite | ZnS |
| Au | Gold | |
| Au | β Gold | Au |
| Pb | Lead | |
| Pb | β Galena | PbS |
Other Databases
| Link to USGS - Alaska: | NB054 |
|---|
Other Regions, Features and Areas containing this locality
North America
- Wrangell MountainsMountain Range
North America PlateTectonic Plate
- Wrangellia DomainDomain
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References
