Unnamed Occurrence (ARDF - BH025; lower Slate Creek), Aniak Mining District, Bethel Census Area, Alaska, USAi
| Regional Level Types | |
|---|---|
| Unnamed Occurrence (ARDF - BH025; lower Slate Creek) | - not defined - |
| Aniak Mining District | Mining District |
| Bethel Census Area | Census Area |
| Alaska | State |
| USA | Country |
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Latitude & Longitude (WGS84):
60° 55' 48'' North , 159° 55' 48'' West
Latitude & Longitude (decimal):
Köppen climate type:
Location: This occurrence is on the southwest side of Slate Creek, about 4 miles upstream of the confluence of Slate Creek with the Tuluksak River. The map site is in the SW1/4 of sec. 21, T 10 N, R 60 W, of the Seward Meridian. It is locality 5 of Frost (1990).
Geology: Frost (1990) reported that discontinuous lenses of silica-carbonate rock are present along the Golden Gate fault near where it crosses Slate Creek, an east tributary to the Tuluksak River (Box and others, 1993). Quartz and several generations of carbonate viens, in many cases enclosing relict fragments of serpentinite, make up the silica-carbonate rock. Samples from this locality (Frost, 1990, table 1, locality 5) contain 1.9 to more than 36 ppm Hg.
Workings: Reconnaissance surface observation and geochemical sampling has occurred at this site.
Age: Not known. Postdates or accompanies deformation of the mid-Cretaceous Kuskokwim Group along the Golden Gate fault.
Alteration: Quartz and carbonate replacement of serpentinite.
Commodities (Major) - Hg
Development Status: None
Deposit Model: Silica-carbonate Hg (Cox and Singer, 1986; model 27c).
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.
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 4 - Oxides and Hydroxides | |||
|---|---|---|---|
| ⓘ | Quartz | 4.DA.05 | SiO2 |
Other Databases
| Link to USGS - Alaska: | BH025 |
|---|
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