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Unnamed Occurrence (ARDF - MM147; bank of Clearwater Fork), Kantishna Mining District, Denali Borough, Alaska, USAi
| Regional Level Types | |
|---|---|
| Unnamed Occurrence (ARDF - MM147; bank of Clearwater Fork) | - not defined - |
| Kantishna Mining District | Mining District |
| Denali Borough | Borough |
| Alaska | State |
| USA | Country |
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Latitude & Longitude (WGS84):
63° 42' 39'' North , 150° 20' 20'' West
Latitude & Longitude (decimal):
Köppen climate type:
The occurrence is in Denali National Park and Preserve.
Location: This occurrence is on the west bank of the Clearwater Fork about 1.5 miles below the mouth of Canyon Creek. It is in the SE1/4SW1/4 section 7, T. 14 S., R. 14 W., Fairbanks Meridian. The location is probably accurate within 500 feet. The occurrence was first reported by Thornsberry, McKee, and Salisbury (1984, no. 112).
Geology: The country rock at this occurrence is quartzite of the Birch Creek Schist. The quartzite is cut by quartz veins and a mineralized fault zone. Samples of a foot-thick quartz vein containing pyrite and sparse galena assayed 0.51 percent lead and 11 ppm silver. No gold was detected and only background levels of zinc and antimony (Thornsberry, McKee, and Salisbury, 1984, v. 2, occurrence 112).
Workings: The deposit was discovered by U.S. Bureau of Mines geologists in 1983 (Thornsberry, McKee, and Salisbury, 1984). There are no workings.
Age: The deposit is assumed to be Eocene (see record MM091).
Commodities (Major) - Ag; (Minor) - Pb
Development Status: None
Deposit Model: Low-sulfide quartz vein.
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
3 valid minerals.
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 2 - Sulphides and Sulfosalts | |||
|---|---|---|---|
| ⓘ | Galena | 2.CD.10 | PbS |
| ⓘ | 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 | ⓘ Galena | PbS |
| S | ⓘ Pyrite | FeS2 |
| Fe | Iron | |
| Fe | ⓘ Pyrite | FeS2 |
| Pb | Lead | |
| Pb | ⓘ Galena | PbS |
Other Databases
| Link to USGS - Alaska: | MM147 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
North America PlateTectonic Plate
- North America PlatformPassive Margin
- Yukon-Tanana lower DomainDomain
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