Unnamed Occurrence (ARDF - ID127; south of Beaver Creek), Iditarod Mining District, Yukon-Koyukuk Census Area, Alaska, USAi
Regional Level Types | |
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Unnamed Occurrence (ARDF - ID127; south of Beaver Creek) | - not defined - |
Iditarod Mining District | Mining District |
Yukon-Koyukuk Census Area | Census Area |
Alaska | State |
USA | Country |
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Latitude & Longitude (WGS84):
62° 23' 32'' North , 157° 22' 4'' West
Latitude & Longitude (decimal):
Köppen climate type:
Mindat Locality ID:
200884
Long-form identifier:
mindat:1:2:200884:7
GUID (UUID V4):
cdd13fb4-1002-4823-85d9-3474481d46c6
Location: This occurrence is on a northeast-trending ridge about 1.2 mile south of Beaver Creek, a tributary of the George River. The occurrence is on hill 1815 in the NE1/4 NE1/4 section 35, T. 27 N., R. 44 W., of the Seward Meridian. The location is accurate.
Geology: This occurrence is a silicified breccia of unknown extent and orientation in sandstone of the Upper Cretaceous, Kuskokwim Group (Miller and Bundtzen, 1994; Miller, Bundtzen, and Gray, 2005). One grab sample of silicified breccia contained 50 parts per billion (ppb) gold and 1,400 ppb mercury (McGimsey and others, 1988).
Workings: Surface samples were collected by the Alaska Division of Geological and Geophysical Surveys in 1984 (McGimsey and others, 1988).
Alteration: Silicification of sandstone.
Commodities (Major) - Au; (Minor) - Hg
Development Status: None
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 | |||
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ⓘ | Quartz | 4.DA.05 | SiO2 |
Other Databases
Link to USGS - Alaska: | ID127 |
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Other Regions, Features and Areas containing this locality
North America PlateTectonic Plate
- Farewell buried DomainDomain
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