Lyon Den No. 1

Occurrence, Inactive

Commodities and mineralogy

Main commodities Au
Ore minerals gold

Geographic location

Quadrangle map, 1:250,000-scale SR
Quadrangle map, 1:63,360-scale D-6
Latitude 60.7748
Longitude -149.1977
Nearby scientific data Find additional scientific data near this location
Location and accuracy 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.

Geologic setting

Geologic description

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.
Geologic map unit (-149.199848312125, 60.7742294388477)
Mineral deposit model Placer Au (alluvial) (Cox and Singer, 1986; model 39a).
Mineral deposit model number 39a
Age of mineralization Cretaceous or younger; the country rock in the area is the Valdez Group of Late Cretaceous age.

Production and reserves

Workings or exploration 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.
Indication of production None

References

References

Reporters Jeff A. Huber (Anchorage)
Last report date 2/6/2000