The Unnamed (near Dartmouth Glacier) is a gold, arsenic, and silver mine located in Alaska.
About the MRDS Data:
All mine locations were obtained from the USGS Mineral Resources Data System. The locations and other information in this database have not been verified for accuracy. It should be assumed that all mines are on private property.
Mine Info
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Unnamed (near Dartmouth Glacier) MRDS details
Site Name
Primary: Unnamed (near Dartmouth Glacier)
Commodity
Primary: Gold
Primary: Arsenic
Primary: Silver
Location
State: Alaska
District: Prince William Sound
Land Status
Not available
Holdings
Not available
Workings
Not available
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Occurrence
Operation Type: Unknown
Years of Production:
Organization:
Significant:
Physiography
Not available
Mineral Deposit Model
Model Name: Low-sulfide Au-quartz vein, Chugach-type
Orebody
Not available
Structure
Not available
Alterations
Not available
Rocks
Not available
Analytical Data
Not available
Materials
Ore: Arsenopyrite
Ore: Galena
Ore: Pyrite
Gangue: Quartz
Comments
Comment (Workings): Workings / Exploration = Three chip samples averaged 0.15 oz/ton Au and 0.37 oz/ton Ag. Three grab samples contained traces of gold and up to 0.03 oz/ton Ag. This location has moderate mineral development potential (Jansons and others, 1984).
Comment (Deposit): Model Name = Chugach-type low-sulfide Au-quartz veins (Bliss, 1992; model 36a.1 ?) or Epithermal Au vein ?
Comment (Exploration): Status = Inactive
Comment (Reference): Primary Reference = Jansons and others, 1984
Comment (Geology): Geologic Description = Jansons and others (1984) reported several sub-parallel quartz veins in shear zones in and along margin of a small granitic stock. The veins are 2 to 12 inches wide and contain disseminated grains and massive pods of arsenopyrite and lesser disseminated galena and pyrite. The granitic stock intrudes metasedimentary rocks of the Late Cretaceous Valdez Group. ? Three chip samples averaged 0.15 oz/ton Au and 0.37 oz/ton Ag. Three grab samples contained traces of gold and up to 0.03 oz/ton Ag (Jansons and others, 1984).
Comment (Geology): Age = Late Cretaceous or younger; shear zones and veins cut a small granitic stock which intrudes metasedimentary rocks of the Late Cretaceous Valdez Group.
References
Reference (Deposit): Jansons, Uldis, Hoekzema, R.B., Kurtak, J.M., and Fechner, S.A., 1984, Mineral occurrences in the Chugach National Forest, Southcentral Alaska: U.S. Bureau of Mines Open-File Report 5-84, 218 p., 2 sheets, scale 1:250,000.
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