Unnamed Occurrence (ARDF - ID067; head of Montana Creek), Iditarod Mining District, Yukon-Koyukuk Census Area, Alaska, USAi
| Regional Level Types | |
|---|---|
| Unnamed Occurrence (ARDF - ID067; head of Montana 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° 33' 43'' North , 157° 22' 19'' West
Latitude & Longitude (decimal):
Köppen climate type:
Location: This occurrence is at an elevation of about 2,100 feet, about 1.5 mile north-northwest of Camelback Mountain. It is about 0.3 mile east-northeast of the center of section 32, T. 29 N., R. 44 W., of the Seward Meridian. The location is accurate.
Geology: This occurrence is an altered zone in sandstone and shale of the Upper Cretaceous Kuskokwim Group adjacent to a mafic dike that has been altered to silica and carbonate minerals (Bundtzen, Laird, and Lockwood, 1988; Miller and Bundtzen, 1994; Bundtzen and Miller, 1997). One sample of altered mafic dike contained 2,900 parts per billion mercury (McGimsey and others, 1988; Miller, Bundtzen, and Gray, 2005).
Workings: The site was sampled by the Alaska Division of Geological and Geophysical Surveys in 1983 (McGimsey and others, 1988; Miller, Bundtzen, and Gray, 2005).
Alteration: Silica-carbonate alteration of dike.
Commodities (Major) - 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 | |||
|---|---|---|---|
| ⓘ | Quartz | 4.DA.05 | SiO2 |
Other Databases
| Link to USGS - Alaska: | ID067 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
North America PlateTectonic Plate
- Angayucham TerraneAccretionary Complex
- Farewell buried DomainDomain
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