Nakoa Lode Prospect, Seward Mining District, Kenai Peninsula Borough, Alaska, USAi
| Regional Level Types | |
|---|---|
| Nakoa Lode Prospect | Prospect |
| Seward Mining District | Mining District |
| Kenai Peninsula Borough | Borough |
| Alaska | State |
| USA | Country |
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Latitude & Longitude (WGS84):
60° 31' 18'' North , 149° 36' 25'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Cooper Landing | 289 (2017) | 12.5km |
| Moose Pass | 219 (2014) | 13.5km |
| Primrose | 111 (2006) | 22.3km |
| Bear Creek | 1,956 (2017) | 41.4km |
| Hope | 192 (2017) | 44.0km |
No reference to this prospect was found in the literature. However, local residents report that prospecting on the claims occurred prior to construction of the new Seward Highway (before 1955) (Hoekzema and Sherman, 1983).
Location: The prospect is at an elevation of 650 feet, in the SE1/4 section 15, T. 5 N., R. 2 W., of the Seward Meridian. It is situated on the south side of Daves Creek, approximately 1.5 miles west of the junction of the Seward and Sterling Highways. This is location S-242 of Jansons and others (1984). This location is accurate to within a quarter of a mile.
Geology: This deposit consists of a quartz-sulfide vein as much as 4 feet wide and traceable along strike for 300 feet (Jansons and others, 1984). No strike direction is given for the vein. The host is slate of the Valdez Group of Late Cretaceous age (Nelson and others, 1985). The foliation of the slate strikes N12E and dips vertically. The quartz contains slate fragments along with pyrite and minor galena (Jansons and others, 1984). The U.S. Bureau of Mines collected three samples of the vein in 1979 but detected no gold or silver. Chip samples, provided by the claim owners, assayed only traces of gold and silver (Jansons, 1981). The claim owners (in 1979) reported assays 56 ounces of silver per ton (Jansons and others, 1984).
Workings: The workings on this prospect consist of stripping and prospect pits. Improvements include an old cabin. The U.S. Bureau of Mines collected three samples of the vein in 1979 but detected no gold or silver. Chip samples, provided by the claim owners, assayed only traces of gold and silver (Jansons, 1981). The claim owners (in 1979) reported assays of 56 ounces of silver per ton (Jansons and others, 1984).
Age: Cretaceous or younger; the veins cut rocks of the Valdez Group of Late Cretaceous age.
Commodities (Major) - Ag, Au; (Minor) - Pb
Development Status: None
Deposit Model: Low-sulfide Au-quartz veins (Cox and Singer, 1986; model 36a)
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 |
| ⓘ Gold Formula: Au |
| ⓘ Pyrite Formula: FeS2 |
| ⓘ Quartz Formula: SiO2 |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | Gold | 1.AA.05 | Au |
| 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 |
| Au | Gold | |
| Au | ⓘ Gold | Au |
| Pb | Lead | |
| Pb | ⓘ Galena | PbS |
Other Databases
| Link to USGS - Alaska: | SR132 |
|---|
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