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Unnamed Occurrence (ARDF - MM036; north of Kankone Peak), Kantishna Mining District, Denali Borough, Alaska, USAi
| Regional Level Types | |
|---|---|
| Unnamed Occurrence (ARDF - MM036; north of Kankone Peak) | - not defined - |
| Kantishna Mining District | Mining District |
| Denali Borough | Borough |
| Alaska | State |
| USA | Country |
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Latitude & Longitude (WGS84):
63° 37' 48'' North , 150° 35' 56'' West
Latitude & Longitude (decimal):
Köppen climate type:
The occurrence is in Denali National Park and Preserve.
Location: This occurrence is at an elevation of about 4300 feet, about 2500 feet due north of Kankone Peak. It is in the SW1/4 NW1/4 section 11, T. 15 S., R. 16 W., Fairbanks Meridian. The location is accurate within 300 feet. The occurrence corresponds to number 62 of Bundtzen, Smith, and Tosdal (1976), 290 of Hawley and Associates (1978), and 69 of Bundtzen (1981). Its location is the same as occurrence 100 of Thornsberry, McKee, and Salisbury (1984), but their description of the geology does not agree with that of the earlier workers.
Geology: The country rocks in the area of this occurrence are quartzite and mica-quartz schist of the upper Precambrian Birch Creek Schist. The schistosity strikes NE and dips SE (Bundtzen, 1981; Thornsberry, McKee, and Salisbury, 1984, fig. K-2). The occurrence consists of mineralized quartz veins in a shear zone. The shear zone is 15 to 30 feet wide; it trends NE, and can be traced more than 300 feet. The quartz contains pyrite, small amounts of galena, and, probably, sphalerite or an oxidized zinc mineral. Samples of the veins assay up to a half-ounce of silver per ton, 0.47 percent lead, 0.47 percent zinc, 300 ppm copper, 230 ppm antimony, and 44 ppm molybdenum. Gold was not detected. (Hawley and Associates, 1978; Bundtzen, 1981).
Workings: Exposures along the shear zone are mostly rubble crop. There are no workings.
Age: The deposit is assumed to be Eocene (see record MM091).
Alteration: Silicification.
Commodities (Major) - Ag; (Minor) - Pb
Development Status: None
Deposit Model: Weakly mineralized silicified shear zone.
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
4 valid minerals.
Detailed Mineral List:
| ⓘ Galena Formula: PbS |
| ⓘ Pyrite Formula: FeS2 |
| ⓘ Quartz Formula: SiO2 |
| ⓘ Sphalerite Formula: ZnS |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 2 - Sulphides and Sulfosalts | |||
|---|---|---|---|
| ⓘ | Sphalerite | 2.CB.05a | ZnS |
| ⓘ | 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 |
| S | ⓘ Sphalerite | ZnS |
| Fe | Iron | |
| Fe | ⓘ Pyrite | FeS2 |
| Zn | Zinc | |
| Zn | ⓘ Sphalerite | ZnS |
| Pb | Lead | |
| Pb | ⓘ Galena | PbS |
Other Databases
| Link to USGS - Alaska: | MM036 |
|---|
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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