Unnamed Occurrence (ARDF - MC201; northeast of mouth of McCurdy Creek), Nizina Mining District, Valdez-Cordova Census Area, Alaska, USAi
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Latitude & Longitude (WGS84):
61° 5' 4'' North , 142° 9' 54'' West
Latitude & Longitude (decimal):
Köppen climate type:
The locality is in the Wrangell-Saint Elias National Park and Preserve.
Location: This occurrence is on a small bedrock knob on the south bank of the Chitina River flood plain. It is at an elevation of about 1,600 feet, about 0.9 mile northeast of the mouth of McCurdy Creek near the center of the south 1/2 of section 14, T. 9 S., R. 18 E. of the Copper River Meridian. This is locality 18 of MacKevett (1976); the location is accurate to within about 1,000 feet.
Geology: This occurrence consists of a quartz vein in a fault in Permian marble. A sample contained 1 part per million silver and 70 parts per million molybdenum (MacKevett, 1976).
Workings: Limited surface sampling.
Age: Permian or younger based on the age of the marble host rock.
Alteration: Silicification.
Commodities (Major) - Mo; (Minor) - Ag
Development Status: None
Deposit Model: Quartz vein
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 4 - Oxides and Hydroxides | |||
|---|---|---|---|
| ⓘ | Quartz | 4.DA.05 | SiO2 |
Other Databases
| Link to USGS - Alaska: | MC201 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
North America PlateTectonic Plate
- Peninsular TerraneVolcanic Arc
- Wrangellia DomainVolcanic Arc
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