Unnamed Occurrence (ARDF - MH282; south of Slate Creek), Chistochina Mining District, Southeast Fairbanks Census Area, Alaska, USAi
| Regional Level Types | |
|---|---|
| Unnamed Occurrence (ARDF - MH282; south of Slate Creek) | - not defined - |
| Chistochina Mining District | Mining District |
| Southeast Fairbanks Census Area | Census Area |
| Alaska | State |
| USA | Country |
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Latitude & Longitude (WGS84):
63° 9' 52'' North , 144° 50' 45'' West
Latitude & Longitude (decimal):
Köppen climate type:
Location: This occurrence is about a mile southeast of the mouth of Slate Creek and at an elevation of about 4,400 feet. The occurrence is in the NW1/4SE1/4 section 22, T. 20 S., R. 15 E., Fairbanks Meridian. The occurrence corresponds to locality 25 of Rose (1967) and locality 18 on figure 6 of Cobb (1979 [OFR 79-238]. The location is accurate within 0.1 mile.
Geology: The rocks at this occurrence are an extensive body of pyritized andesite of Pennsylvanian age (Rose, 1967). The volcanic rocks are cut by quartz veinlets, and a sample assayed 0.04 ounce of gold per ton (Rose, 1967).
Age: Uncertain; epigenetic introduction of quartz and pyrite.
Alteration: The andesite is pyritized and has been silicified (Rose, 1967).
Commodities (Major) - Au
Development Status: No
Deposit Model: Possibly Polymetallic veins (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 2 - Sulphides and Sulfosalts | |||
|---|---|---|---|
| ⓘ | Pyrite | 2.EB.05a | FeS2 |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Quartz | 4.DA.05 | SiO2 |
List of minerals for each chemical element
| O | Oxygen | |
|---|---|---|
| O | ⓘ Quartz | SiO2 |
| Si | Silicon | |
| Si | ⓘ Quartz | SiO2 |
| S | Sulfur | |
| S | ⓘ Pyrite | FeS2 |
| Fe | Iron | |
| Fe | ⓘ Pyrite | FeS2 |
Other Databases
| Link to USGS - Alaska: | MH282 |
|---|
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