Jones Creek Occurrence (placer); Bog, Koyukuk Mining District, Yukon-Koyukuk Census Area, Alaska, USAi
| Regional Level Types | |
|---|---|
| Jones Creek Occurrence (placer); Bog | - 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° 7' 55'' North , 152° 33' 39'' West
Latitude & Longitude (decimal):
Köppen climate type:
Location: This placer occurrence is located on Jones Creek, an east tributary to lower Mettenpherg Creek. The occurrence is about 3 miles upstream of the mouth of Jones Creek in the SW 1/4 of section 26, T. 7 N., R. 23 W. of the Fairbanks Meridian. The location is accurate within 1 mile.
Geology: Pan samples taken from two separate sites on lower Jones Creek (Kurtak and others, 2002) contained visible placer gold. Schist in the creek contained 1-2% disseminated pyrite. Regional geologic mapping indicates the lower Jones Creek area is underlain by Devonian(?), quartz-mica schist, mica schist, phyllite, and quartzite (Brosge and Reiser, 1971). Placer claims were located on Jones Creek in 1976 (Kurtak and others, 2002).
Workings: Placer claims were located on Jones Creek in 1976 (Kurtak and others, 2002).
Age: Quaternary.
Commodities (Major) - Au
Development Status: None
Deposit Model: Placer Au (Cox and Singer, 1986; model 39a)
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
2 valid minerals.
Detailed Mineral List:
| ⓘ 'Garnet Group' Formula: X3Z2(SiO4)3 |
| ⓘ Magnetite Formula: Fe2+Fe3+2O4 |
| ⓘ Native Gold Formula: Au |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | Native Gold | 1.AA.05 | Au |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Magnetite | 4.BB.05 | Fe2+Fe3+2O4 |
| Unclassified | |||
| ⓘ | 'Garnet Group' | - | X3Z2(SiO4)3 |
List of minerals for each chemical element
| O | Oxygen | |
|---|---|---|
| O | ⓘ Magnetite | Fe2+Fe23+O4 |
| O | ⓘ Garnet Group | X3Z2(SiO4)3 |
| Si | Silicon | |
| Si | ⓘ Garnet Group | X3Z2(SiO4)3 |
| Fe | Iron | |
| Fe | ⓘ Magnetite | Fe2+Fe23+O4 |
| Au | Gold | |
| Au | ⓘ Native Gold | Au |
Other Databases
| Link to USGS - Alaska: | WI135 |
|---|
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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