Unnamed (near Yale Glacier)

Occurrence, Inactive

Commodities and mineralogy

Main commodities As; Sb
Ore minerals stibnite
Gangue minerals quartz

Geographic location

Quadrangle map, 1:250,000-scale AN
Quadrangle map, 1:63,360-scale A-2
Latitude 61.19
Longitude -147.67
Nearby scientific data Find additional scientific data near this location
Location and accuracy Three miles west of Mount Castner summit. Accurate within half mile. Locality A-45 of Jansons and others (1984).

Geologic setting

Geologic description

A 4-inch-wide quartz vein containing stibnite cuts Tertiary granite. The granite intrudes Late Cretaceous metasedimentary rocks of the Valdez Group. A USGS grab sample contained 0.3 percent As and 100 ppm Sb (Jansons and others, 1984).
Geologic map unit (-147.67203820493, 61.1894632185649)
Mineral deposit model Simple Sb deposit (Cox and Singer, 1986; model 27d)
Mineral deposit model number 27d
Age of mineralization Tertiary or younger; vein cuts Tertiary granite.

Production and reserves

Workings or exploration Jansons and others (1984) reported a U.S.G.S. grab sample contained 0.3 percent As and 100 ppm Sb.
Indication of production None

References

MRDS Number A106196
Reporters D.P. Bickerstaff (USGS contractor); S.W. Huss (USGS)
Last report date 7/30/1998