Unnamed; Nesbit Creek ? Occurrence (ARDF - BN108), Council Mining District, Nome Census Area, Alaska, USAi
| Regional Level Types | |
|---|---|
| Unnamed; Nesbit Creek ? Occurrence (ARDF - BN108) | Occurrence |
| Council Mining District | Mining District |
| Nome Census Area | Census Area |
| Alaska | State |
| USA | Country |
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Latitude & Longitude (WGS84):
65° 9' 36'' North , 163° 49' 47'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| White Mountain | 196 (2017) | 56.8km |
Location: Smith and Eakin (1911) describe this location as being on the divide between Kingsland and Nugget Creeks. Neither creek is identified on the current topographic map of the area (Bendeleben A-4 quadrangle). However, Nesbit Creek is the main headwater tributary to what is now known as Kingsley Creek. It is assumed that an unnamed east tributary to upper Niukluk River is the creek referred to as Nugget Creek by Smith and Eakin (1911). Therefore, this very approximately located occurrence is assumed to be on the ridge crest between Nesbit Creek and the unnamed tributary to Niukluk River. It is locality 11 of Cobb (1972; MF 417; 1975; OFR 75-429).
Geology: Simth and Eakin (1911) report disseminated lenses and stringers of chalcopyrite and its oxidation products, near a contact between schist and limestone (marble). A little gold is also reported. This base metal occurrence, and several others in this part of the Bendeleben A-4 quadrangle, are in high grade metasedimentary rocks that are structurally above or peripheral to the croscutting 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.
Workings: Some small hand dug prospecting pits may be present.
Age: Cretaceous; this occurrence is probably related to emplacement of the Pargon pluton which is assumed to be Cretaceous in age.
Alteration: Oxidation.
Commodities (Major) - Au, Cu
Development Status: No
Deposit Model: Polymetallic veins and disseminations in high grade metamorphic rocks
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.
Detailed Mineral List:
| ⓘ Chalcopyrite Formula: CuFeS2 |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 2 - Sulphides and Sulfosalts | |||
|---|---|---|---|
| ⓘ | Chalcopyrite | 2.CB.10a | CuFeS2 |
List of minerals for each chemical element
| S | Sulfur | |
|---|---|---|
| S | ⓘ Chalcopyrite | CuFeS2 |
| Fe | Iron | |
| Fe | ⓘ Chalcopyrite | CuFeS2 |
| Cu | Copper | |
| Cu | ⓘ Chalcopyrite | CuFeS2 |
Other Databases
| Link to USGS - Alaska: | BN108 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
North America PlateTectonic Plate
- Brooks-Seward DomainDomain
- Nome ComplexAccretionary Complex
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