Unnamed; Head of LaSpray Creek; southwest of the head of Nelson Gulch Occurrence (ARDF - NM103; NM083), Nome Mining District, Nome Census Area, Alaska, USAi
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Latitude & Longitude (WGS84):
64° 45' 36'' North , 165° 10' 19'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Nome | 3,806 (2018) | 30.9km |
Location: The occurrence is at an elevation of about 1,500 feet and about 0.25 mile southwest of hill 1710 in the SW1/4SW 1/4 section 28, T. 8 S., R. 32 W., Kateel River Meridian. It is in the extreme headwaters of LaSpray Creek, a creek mostly on the Nome C-1 quadrangle. It is locality 21 of Hummel (1962 [MF 248]) and is located to within about 500 feet of the coordinates.
Geology: This is an occurrence of arsenopyrite and (or) pyrite near the upper contact of a layer of marble and overlying schist; the rocks strike about north-northwest and dip generally to the east (Hummel, 1962 [MF 248]). The deposit may be marked by an prospect old cut or trench; it may be stratabound or in veinlets. It was listed by Hummel (1975) as an unevaluated mineral occurrence.
Workings: Prospect pit or cut.
Commodities (Major) - Au (?)
Development Status: None
Deposit Model: Arsenopyrite and (or) pyrite associated with a schist-marble contact.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
| ⓘ Arsenopyrite Formula: FeAsS |
| ⓘ Pyrite Formula: FeS2 |
| ⓘ Pyrrhotite Formula: Fe1-xS |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 2 - Sulphides and Sulfosalts | |||
|---|---|---|---|
| ⓘ | Pyrrhotite | 2.CC.10 | Fe1-xS |
| ⓘ | Pyrite | 2.EB.05a | FeS2 |
| ⓘ | Arsenopyrite | 2.EB.20 | FeAsS |
List of minerals for each chemical element
| S | Sulfur | |
|---|---|---|
| S | ⓘ Arsenopyrite | FeAsS |
| S | ⓘ Pyrite | FeS2 |
| S | ⓘ Pyrrhotite | Fe1-xS |
| Fe | Iron | |
| Fe | ⓘ Arsenopyrite | FeAsS |
| Fe | ⓘ Pyrite | FeS2 |
| Fe | ⓘ Pyrrhotite | Fe1-xS |
| As | Arsenic | |
| As | ⓘ Arsenopyrite | FeAsS |
Other Databases
| Link to USGS - Alaska: | NM103 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
North America PlateTectonic Plate
- Brooks-Seward DomainDomain
- Nome ComplexAccretionary Complex
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