Lyon Den No. 1 Occurrence, Hope Mining District, Kenai Peninsula Borough, Alaska, USAi
| Regional Level Types | |
|---|---|
| Lyon Den No. 1 Occurrence | Occurrence |
| Hope Mining District | Mining District |
| Kenai Peninsula Borough | Borough |
| Alaska | State |
| USA | Country |
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Latitude & Longitude (WGS84):
60° 46' 29'' North , 149° 11' 52'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Girdwood | 2,250 (2017) | 18.7km |
| Hope | 192 (2017) | 28.7km |
| Moose Pass | 219 (2014) | 33.3km |
| Primrose | 111 (2006) | 44.6km |
| Elmendorf Air Force Base | 6,621 (2013) | 58.5km |
Location: This lode and placer occurrence is located in the NE1/4 section 24, T. 8 N., R. 1 E., of the Seward Meridian. The map site is at an elevation of 1,100 feet on Lyon Creek, about a half-mile east of the Seward Highway. This is location S-286 of Jansons and others (1984). This location is accurate to within a quarter of a mile.
Geology: No geologic description is available. The country rock in the area is mapped the Valdez Group of Late Cretaceous age (Nelson and others, 1985). This occurrence apparently was staked as a gold lode claim (Hoekzema and Sherman, 1983). The U.S. Bureau of Mines could not locate the occurrence (Jansons and others, 1984). They did, however, suction-dredge a placer sample near the reported site that yielded 0.013 ounce of gold per hour of dredging.
Workings: No workings or improvements are reported. The U.S. Bureau of Mines could not locate the occurrence (Jansons and others, 1984). They did, however, collect a placer sample using a 3-inch suction dredge near the reported site. Coarse gold was recovered. The sampling yielded 0.013 ounce of gold per hour of dredging.
Age: Cretaceous or younger; the country rock in the area is the Valdez Group of Late Cretaceous age.
Commodities (Major) - Au
Development Status: None
Deposit Model: Placer Au (alluvial) (Cox and Singer, 1986; model 39a)
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.
Detailed Mineral List:
| ⓘ Native Gold Formula: Au |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | Native Gold | 1.AA.05 | Au |
List of minerals for each chemical element
| Au | Gold | |
|---|---|---|
| Au | ⓘ Native Gold | Au |
Other Databases
| Link to USGS - Alaska: | SR043 |
|---|
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