Unnamed Occurrence (ARDF - BN135; in headwaters of upper Niukluk River), Council Mining District, Nome Census Area, Alaska, USAi
| Regional Level Types | |
|---|---|
| Unnamed Occurrence (ARDF - BN135; in headwaters of upper Niukluk River) | - not defined - |
| Council Mining District | Mining District |
| Nome Census Area | Census Area |
| Alaska | State |
| USA | Country |
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Latitude & Longitude (WGS84):
65° 10' 48'' North , 163° 52' 11'' West
Latitude & Longitude (decimal):
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| White Mountain | 196 (2017) | 59.6km |
Location: This occurrence is on the ridge crest between two unnamed, east headwater tributaries to the Niukluk River, near elevation 2,247 feet.
Geology: This is a possible duftite occurrence along the trend of an apparently conformable pyrrhotite-bearing schist layer that is better expressed about one half mile to the ENE (Briskey, 1983). This locality, and several others in this part of the Bendeleben A-4 quadrangle, are in high grade metamorphic rocks that are structurally above or peripheral to the crosscutting Pargon pluton. The Pargon pluton is mostly granodiorite and assumed to be Cretaceous in age (Till and others, 1986). It was emplaced at shallower depths than the more deep-seated Bendeleben pluton to the east. The metamorphic rocks peripheral to the western Pargon pluton are also intruded by small, felsic dikes and plugs including quartz porphyry and muscovite granite.
Workings: No workings are known at this locality.
Age: Cretaceous ?
Alteration: Oxidation?
Commodities (Major) - Cu (?), Pb (?)
Development Status: No
Deposit Model: Duftite (?) in metamorphic rocks
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsGallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 8 - Phosphates, Arsenates and Vanadates | |||
|---|---|---|---|
| ⓘ | Duftite ? | 8.BH.35 | PbCu(AsO4)(OH) |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Duftite | PbCu(AsO4)(OH) |
| O | Oxygen | |
| O | ⓘ Duftite | PbCu(AsO4)(OH) |
| Cu | Copper | |
| Cu | ⓘ Duftite | PbCu(AsO4)(OH) |
| As | Arsenic | |
| As | ⓘ Duftite | PbCu(AsO4)(OH) |
| Pb | Lead | |
| Pb | ⓘ Duftite | PbCu(AsO4)(OH) |
Other Databases
| Link to USGS - Alaska: | BN135 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
North America PlateTectonic Plate
- Brooks-Seward DomainDomain
- Nome ComplexAccretionary Complex
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