The Roth and Johnson is a gold 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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Roth and Johnson MRDS details
Site Name
Primary: Roth and Johnson
Secondary: Fiord #1 and #2
Commodity
Primary: Gold
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: Chalcopyrite
Ore: Galena
Ore: Pyrite
Gangue: Quartz
Comments
Comment (Exploration): Status = Inactive
Comment (Reference): Primary Reference = Roehm, 1938
Comment (Workings): Workings / Exploration = Unknown
Comment (Geology): Geologic Description = A quartz vein reportedly occurs between two felsic dikes in Late Cretaceous Valdez Group black slate and metasandstone. The vein is 30 inches wide, traceable for 600 ft, and contains pyrite, arsenopyrite, chalcopyrite, and galena (Roehm, 1938).
Comment (Deposit): Other Comments = Janson and others (1984) could not locate the occurrence described by Roehm in 1938. However, placer gold and sufides occur in the vicinity.
Comment (Deposit): Model Name = Chugach-type low-sulfide Au-quartz veins (Bliss, 1992; model 36a.1)
Comment (Geology): Age = Late Cretaceous or younger; vein occurs between two felsic dikes in black slates and metasandstones of the Late Cretaceous Valdez Group.
References
Reference (Deposit): Roehm, J.C., 1938, Summary report of mining investigations in the Port Wells District, Prince William Sound, Alaska: Alaska Territorial Department of Mines Itinerary Report 85-03, 9 p.
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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