Willow Creek

Prospect, Inactive

Commodities and mineralogy

Main commodities Au
Ore minerals chromite; cinnabar; gold; magnetite

Geographic location

Quadrangle map, 1:250,000-scale ID
Quadrangle map, 1:63,360-scale C-3
Latitude 62.62528
Longitude -157.16648
Nearby scientific data Find additional scientific data near this location
Location and accuracy The Willow Creek placer prospect is on a south-facing slope about 2.0 miles southeast of VABM Willow at an elevation of from about 1,200 to 1,500 feet. An approximate location is in the SW1/4 SW1/4, section 4, T. 29 N., R. 42 W., of the Seward Meridian.

Geologic setting

Geologic description

Alluvial and residual placers on the hillside north of Willow creek are known from an elevation of about 1,200 to 1,500 feet where they were explored in 1958 (Don Harris, oral communication, 1983). No size or grade information is available. The prospect area is underlain by monzonite and the placer is possibly a residual placer over a lode deposit in the monzonite (Miller, Bundtzen, and Gray, 2005). Panned concentrates collected at the site contain gold, chromite, magnetite, and cinnabar (Bundtzen, Cox, and Veach, 1987; Bundtzen, Laird, and Lockwood, 1988).
Geologic map unit (-157.168838785968, 62.6246019535095)
Mineral deposit model Placer Au deposit (Cox and Singer, 1986; model 39a).
Mineral deposit model number 39a
Age of mineralization Probably Quaternary.

Production and reserves

Workings or exploration Alluvial and residual placers on the hillside north of Willow creek are known from an elevation of about 1,200 to 1,500 feet where they were explored in 1958 (Don Harris, oral communication, 1983). No size or grade information is available. Panned concentrates were collected in the 1980s by the Alaska Division of Geological and Geophysical Surveys and the U.S. Geological Survey (Bundtzen, Cox, and Veach, 1987; Bundtzen, Laird, and Lockwood, 1988; McGimsey and others, 1988).
Indication of production Undetermined

References