Unnamed Occurrence (ARDF - HE112; south wall of lower Yanert Glacier), Bonnifield Mining District, Denali Borough, Alaska, USAi
| Regional Level Types | |
|---|---|
| Unnamed Occurrence (ARDF - HE112; south wall of lower Yanert Glacier) | - not defined - |
| Bonnifield Mining District | Mining District |
| Denali Borough | Borough |
| Alaska | State |
| USA | Country |
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Latitude & Longitude (WGS84):
63° 35' 23'' North , 147° 42' 36'' West
Latitude & Longitude (decimal):
Köppen climate type:
Location: This occurrence is at an elevation of about 5,000 feet, on the south wall of lower Yanert Galcier. The map site is about 4.8 miles northeast of Nenana Mountain, in the NE1/4 of sec. 27, T. 15 S., R. 1 W., of the Fairbanks Meridian. The location is accurate to within half a mile. This is locality 21 of Cox and others (1989).
Geology: The country rocks at this occurrence are Upper Triassic calcareous metasedimentary rocks and Jurassic to Cretaceous graywacke, intruded by Tertiary granite. The deposit consists of chalcopyrite-pyrite-pyrrhotite-bearing skarn at the granite contact (Cox and others, 1989).
Workings: There has only been surface sampling.
Age: Probably Tertiary.
Alteration: Formation od skarn at granite contact.
Commodities (Major) - Cu
Development Status: None
Deposit Model: Cu skarn (Cox and Singer, 1986; model 18b)
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
3 valid minerals.
Detailed Mineral List:
| ⓘ Chalcopyrite Formula: CuFeS2 |
| ⓘ Pyrite Formula: FeS2 |
| ⓘ Pyrrhotite Formula: Fe1-xS |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 2 - Sulphides and Sulfosalts | |||
|---|---|---|---|
| ⓘ | Chalcopyrite | 2.CB.10a | CuFeS2 |
| ⓘ | Pyrrhotite | 2.CC.10 | Fe1-xS |
| ⓘ | Pyrite | 2.EB.05a | FeS2 |
List of minerals for each chemical element
| S | Sulfur | |
|---|---|---|
| S | ⓘ Chalcopyrite | CuFeS2 |
| S | ⓘ Pyrite | FeS2 |
| S | ⓘ Pyrrhotite | Fe1-xS |
| Fe | Iron | |
| Fe | ⓘ Chalcopyrite | CuFeS2 |
| Fe | ⓘ Pyrite | FeS2 |
| Fe | ⓘ Pyrrhotite | Fe1-xS |
| Cu | Copper | |
| Cu | ⓘ Chalcopyrite | CuFeS2 |
Other Databases
| Link to USGS - Alaska: | HE112 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
North America PlateTectonic Plate
- Farewell ForedeepForedeep Basin
- Windy-McKinley DomainDomain
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