Unnamed Occurrence (ARDF - WI039; west of Mettenpherg Creek), Koyukuk Mining District, Yukon-Koyukuk Census Area, Alaska, USAi
| Regional Level Types | |
|---|---|
| Unnamed Occurrence (ARDF - WI039; west of Mettenpherg Creek) | - not defined - |
| Koyukuk Mining District | Mining District |
| Yukon-Koyukuk Census Area | Census Area |
| Alaska | State |
| USA | Country |
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Latitude & Longitude (WGS84):
67° 18' 5'' North , 152° 47' 56'' West
Latitude & Longitude (decimal):
Köppen climate type:
Location: This occurrence is west of Mettenpherg Creek at the top of hill 1231, in the SE1/4 section 25, T. 29 N., R. 24 W., of the Fairbanks Meridian. The occurrence is the location of sample 236 in Dillon and others (1981 [AOF 133B]). The location is accurate.
Geology: This occurrence consists of greenschist and graphitic schist that contain pebble sized lenses of fuchsite (Dillon and others, 1981 [AOF 133B]). A composite sample contains a percent or more Ti, 3,000 ppm barium, 1,000 ppm chromium, 50 ppm niobium, and 700 ppm nickel. Rutile, fuchsite, and siderite probably account for the high Ti, Cr and Ba values. The sample location is near the contact between Proterozoic(?) banded schist and Devonian, Skajit Limestone (Dillon and others, 1986).
Workings: Only surface sampling.
Commodities (Major) - Cr, Ni, Ti; (Minor) - Ba, Nb
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
3 valid minerals.
Detailed Mineral List:
| ⓘ Muscovite Formula: KAl2(AlSi3O10)(OH)2 |
| ⓘ Muscovite var. Fuchsite Formula: K(Al,Cr)3Si3O10(OH)2 |
| ⓘ Rutile Formula: TiO2 |
| ⓘ Siderite Formula: FeCO3 |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 4 - Oxides and Hydroxides | |||
|---|---|---|---|
| ⓘ | Rutile | 4.DB.05 | TiO2 |
| Group 5 - Nitrates and Carbonates | |||
| ⓘ | Siderite | 5.AB.05 | FeCO3 |
| Group 9 - Silicates | |||
| ⓘ | Muscovite var. Fuchsite | 9.EC.15 | K(Al,Cr)3Si3O10(OH)2 |
| ⓘ | 9.EC.15 | KAl2(AlSi3O10)(OH)2 | |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Muscovite var. Fuchsite | K(Al,Cr)3Si3O10(OH)2 |
| H | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| C | Carbon | |
| C | ⓘ Siderite | FeCO3 |
| O | Oxygen | |
| O | ⓘ Muscovite var. Fuchsite | K(Al,Cr)3Si3O10(OH)2 |
| O | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| O | ⓘ Rutile | TiO2 |
| O | ⓘ Siderite | FeCO3 |
| Al | Aluminium | |
| Al | ⓘ Muscovite var. Fuchsite | K(Al,Cr)3Si3O10(OH)2 |
| Al | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| Si | Silicon | |
| Si | ⓘ Muscovite var. Fuchsite | K(Al,Cr)3Si3O10(OH)2 |
| Si | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| K | Potassium | |
| K | ⓘ Muscovite var. Fuchsite | K(Al,Cr)3Si3O10(OH)2 |
| K | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| Ti | Titanium | |
| Ti | ⓘ Rutile | TiO2 |
| Cr | Chromium | |
| Cr | ⓘ Muscovite var. Fuchsite | K(Al,Cr)3Si3O10(OH)2 |
| Fe | Iron | |
| Fe | ⓘ Siderite | FeCO3 |
Other Databases
| Link to USGS - Alaska: | WI039 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
- Brooks RangeMountain Range
- Rocky MountainsMountain Range
North America PlateTectonic Plate
- Brooks Range DomainVolcanic Arc
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