Unnamed Occurrence (ARDF - SM066; near hill 2548 west of Buckstock River), Aniak Mining District, Bethel Census Area, Alaska, USAi
| Regional Level Types | |
|---|---|
| Unnamed Occurrence (ARDF - SM066; near hill 2548 west of Buckstock River) | - not defined - |
| Aniak Mining District | Mining District |
| Bethel Census Area | Census Area |
| Alaska | State |
| USA | Country |
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Latitude & Longitude (WGS84):
61° 13' 1'' North , 158° 47' 13'' West
Latitude & Longitude (decimal):
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Chuathbaluk | 125 (2017) | 46.4km |
Location: This occurrence is at an elevation of about 2,200 feet along a ridge in the west, central part of the Buckstock Mountains. The occurrences is about 0.3 mile south of peak 2548, about 0.2 mile east of the center of section 16, T. 13 N., R. 53 W., of the Seward Meridian. The location is accurate.
Geology: This occurrence consists of quartz veinlets and iron-stained breccia in coarse-grained hornfels formed from the Upper Cretaceous, Kuskokwim Group (Cady and others, 1955; T.K. Bundtzen and D. Bradley, unpublished field data, 1999). The hornfels strike N46E and dip 42NW. The breccias and quartz veinlets may parallel cleavage which strikes N30E and dips 70SE (T.K. Bundtzen, unpublished field data, 1999). The mineralization is sparse and weak. One grab sample of hornfels with quartz veinlets contained 301 parts per billion (ppb) gold, 34 parts per million (ppm) antimony, and 198 ppm arsenic. Another grab sample collected at the northeast end of the mineralized zone contained 798 ppm arsenic, 33.0 ppm bismuth, and 264 ppm zinc (T.K. Bundtzen and D. Bradley, unpublished analytical data, 1999).
Workings: The U. S. Geological Survey sampled the occurrence in 1999.
Alteration: Hornfelsing of clastic rocks.
Commodities (Major) - Au; (Minor) - As, Bi, Sb, Zn
Development Status: None
Deposit Model: Polymetallic vein? (Cox and Singer, 1986; model 22c).
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.
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 4 - Oxides and Hydroxides | |||
|---|---|---|---|
| ⓘ | Goethite | 4.00. | Fe3+O(OH) |
| ⓘ | Quartz | 4.DA.05 | SiO2 |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Goethite | Fe3+O(OH) |
| O | Oxygen | |
| O | ⓘ Goethite | Fe3+O(OH) |
| O | ⓘ Quartz | SiO2 |
| Si | Silicon | |
| Si | ⓘ Quartz | SiO2 |
| Fe | Iron | |
| Fe | ⓘ Goethite | Fe3+O(OH) |
Other Databases
| Link to USGS - Alaska: | SM066 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
North America PlateTectonic Plate
- Farewell buried DomainDomain
- Koyukuk ArcsVolcanic Arc
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