Unnamed Occurrence (ARDF - MC166; south of Twaharpies Glacier), Nizina Mining District, Valdez-Cordova Census Area, Alaska, USAi
| Regional Level Types | |
|---|---|
| Unnamed Occurrence (ARDF - MC166; south of Twaharpies Glacier) | - not defined - |
| Nizina Mining District | Mining District |
| Valdez-Cordova Census Area | Census Area |
| Alaska | State |
| USA | Country |
This page is currently not sponsored. Click here to sponsor this page.
Latitude & Longitude (WGS84):
61° 21' 43'' North , 142° 12' 25'' 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 ridge south of Twaharpies Glacier. It is at an elevation of about 6,300 feet, 500 feet north-northwest of elevation 6745 in the SW1/4 of section 9, T. 6 S., R. 18 E. of the Copper River Meridian. This is locality 48 of MacKevett (1976); the location is accurate to within about 100 feet.
Geology: This occurrence consists of Triassic Nikolai Greenstone that is mineralized adjacent to a 15-meter-wide altered fault zone (MacKevett, and Smith, 1968, 1972; MacKevett, 1976). A sample of the mineralized rock contained 2 parts per million (ppm) silver, 7,000 ppm arsenic, and 15,000 ppm copper.
Workings: Limited surface sampling.
Commodities (Major) - Cu; (Minor) - Ag, As
Development Status: None
Deposit Model: Vein and coatings
Commodity List
This is a list of exploitable or exploited mineral commodities recorded at this locality.List of minerals for each chemical element
Other Databases
| Link to USGS - Alaska: | MC166 |
|---|
Other Regions, Features and Areas containing this locality
This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to
visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders
for access and that you are aware of all safety precautions necessary.
