Unnamed Occurrence (ARDF - ID077; southwest of St. Patricks Creek), Iditarod Mining District, Yukon-Koyukuk Census Area, Alaska, USAi
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Latitude & Longitude (WGS84):
62° 39' 9'' North , 157° 16' 8'' West
Latitude & Longitude (decimal):
Köppen climate type:
Mindat Locality ID:
200860
Long-form identifier:
mindat:1:2:200860:1
GUID (UUID V4):
9e9b995a-952d-4c31-8814-aaddb39f160f
Location: This occurrence is about 2.0 miles southeast of the mouth of St. Patrick Creek and 0.7 mile southwest of hill 1655. It is at an elevation of about 1,550 feet, about 0.5 mile northwest of the center of section 36, T. 30 N., R. 43 W., of the Seward Meridian. The location is accurate.
Geology: This occurrence is in an iron-stained chert breccia, possibly in a fault sliver of the Innoko Terrane (Miller and Bundtzen, 1994; Miller, Bundtzen, and Gray, 2005). The northeast-trending shear zone in the chert contains minor pyrite. No other information is available. One grab sample contained 200 parts per billion (ppb) gold, 200 ppb silver, and 2,500 ppb mercury (Bundtzen, Laird, and Lockwood, 1988).
Workings: The Alaska Division of Geological and Geophysical surveys sampled this occurrence in 1983 (Bundtzen, Laird, and Lockwood, 1988).
Alteration: Iron staining.
Commodities (Major) - Au; (Minor) - Ag, Hg
Development Status: None
Deposit Model: Polymetallic vein (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
1 valid mineral.
Gallery:
List of minerals arranged by Strunz 10th Edition classification
Group 2 - Sulphides and Sulfosalts | |||
---|---|---|---|
ⓘ | Pyrite | 2.EB.05a | FeS2 |
Other Databases
Link to USGS - Alaska: | ID077 |
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Other Regions, Features and Areas containing this locality
North America PlateTectonic Plate
- Farewell buried DomainDomain
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