Unnamed Occurrence (ARDF - TK080; south of Iron Creek), Yentna Mining District, Matanuska-Susitna Borough, Alaska, USAi
| Regional Level Types | |
|---|---|
| Unnamed Occurrence (ARDF - TK080; south of Iron Creek) | - not defined - |
| Yentna Mining District | Mining District |
| Matanuska-Susitna Borough | Borough |
| Alaska | State |
| USA | Country |
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Latitude & Longitude (WGS84):
62° 16' 53'' North , 149° 2' 13'' West
Latitude & Longitude (decimal):
Köppen climate type:
Location: This occurrence is at an elevation of about 4,000 feet, south of Iron Creek, in the SE1/4SW1/4 sec. 2, T. 25 N., R. 2 E., Seward Meridian. The location is accurate to within 1/2 mile.
Geology: The rocks at this occurrence are mainly altered Paleozoic(?) mafic metavolcanic rocks and serpentinite(?). No sulfides are visible (Csejtey and Miller, 1978). Rock samples contain up to 2,000 parts per million cobalt, 700 parts per million copper, and 1,500 parts per million nickel; chromium exceeds the 5,000-parts-per-million, detection limit (Miller and others, 1978).
Workings: Limited sampling by the U.S. Geological Survey (Miller and others, 1978).
Alteration: The type of alteration in the Paleozoic(?) mafic metavolcanic rocks is not specified (Csejtey and Miller, 1978).
Commodities (Major) - Co, Cu, Ni; (Minor) - Cr
Development Status: None
Deposit Model: Basaltic copper (Cox and Singer, 1986; model 23)
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: | TK080 |
|---|
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