Osceola

Prospect, Inactive

Commodities and mineralogy

Main commodities Au
Ore minerals gold
Gangue minerals quartz

Geographic location

Quadrangle map, 1:250,000-scale AN
Quadrangle map, 1:63,360-scale A-3
Latitude 61.1
Longitude -147.9
Nearby scientific data Find additional scientific data near this location
Location and accuracy Prospect located on east shore of College Fiord. Prospect location is approximated, accuracy is unknown.

Geologic setting

Geologic description

Gold believed to be present in Osceola vein (Johnson, 1918). Country rock is metasedimentary rocks of the Late Cretaceous Valdez Group.
Geologic map unit (-147.90204257555, 61.0994408984591)
Mineral deposit model Chugach-type low-sulfide Au-quartz vein? (Bliss, 1992; model 36a.1?).
Mineral deposit model number 36a.1?
Age of mineralization Late Cretaceous or younger; the Osceola vein cuts metasedimentary rocks of the Late Cretaceous Valdez Group.

Production and reserves

Workings or exploration The main tunnel is believed to have been about 400 ft long. In 1917, five men were working the prospect (Johnson, 1919).
Indication of production Undetermined

Additional comments

Information concerning the location and workings of this site is vague.

References

MRDS Number A106189
Reporters D.P. Bickerstaff (USGS contractor); S.W. Huss (USGS)
Last report date 7/30/1998