Unnamed Occurrence (ARDF - ID154; on hill 860 north of American Creek), Iditarod Mining District, Bethel Census Area, Alaska, USAi
Regional Level Types | |
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Unnamed Occurrence (ARDF - ID154; on hill 860 north of American Creek) | - not defined - |
Iditarod Mining District | Mining District |
Bethel Census Area | Census Area |
Alaska | State |
USA | Country |
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Latitude & Longitude (WGS84):
62° 2' 0'' North , 158° 52' 33'' West
Latitude & Longitude (decimal):
Köppen climate type:
Nearest Settlements:
Place | Population | Distance |
---|---|---|
Chuathbaluk | 125 (2017) | 54.8km |
Mindat Locality ID:
200906
Long-form identifier:
mindat:1:2:200906:6
GUID (UUID V4):
54c6c292-44de-4a30-a1eb-c038641caff0
Location: This occurrence is about 300 feet south of hill 860 which is about 1.5 miles northwest of the mouth of American Creek on the Iditarod River. The occurrence is near the center of the S1/2 SE1/4 section 31, T. 23 N., R. 52 W., Seward Meridian. The location is approximate.
Geology: This occurrence is a zone of iron-oxide-rich sandstone in shale and sandstone of the Upper Cretaceous, Kuskokwim Group (Cady and others, 1955; Miller and Bundtzen, 1994). The mineralized zones contains thin quartz veinlets and trace amounts of undetermined sulfide minerals (Miller, Bundtzen, and Gray, 2005). One sample contained 200 parts per million (ppm) zinc, 400 ppm arsenic, 42 ppm antimony, 500 parts per billion (ppb) mercury, 50 ppb silver, and 20.00 percent iron (McGimsey and others, 1988).
Workings: Samples were collected by the U.S. Geological Survey and Alaska Division of Geological and Geophysical Surveys in the 1980s (McGimsey and others, 1988).
Alteration: Formation of iron oxides and silicification.
Commodities (Major) - As, Zn; (Minor) - Ag, Fe, Hg, Sb
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 4 - Oxides and Hydroxides | |||
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ⓘ | Quartz | 4.DA.05 | SiO2 |
Other Databases
Link to USGS - Alaska: | ID154 |
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Other Regions, Features and Areas containing this locality
North America PlateTectonic Plate
- Farewell buried DomainDomain
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