The Herron is a gold 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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Herron MRDS details
Site Name
Primary: Herron
Secondary: E.C.
Commodity
Primary: Gold
Primary: Silver
Location
State: Alaska
District: Alaska Peninsula
Land Status
Not available
Holdings
Not available
Workings
Not available
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Prospect
Operation Type: Unknown
Years of Production:
Organization:
Significant:
Physiography
Not available
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Not available
Alterations
Alteration Type: L
Alteration Text: Alteration includes propylitization and silicification.
Rocks
Not available
Analytical Data
Not available
Materials
Ore: Pyrite
Gangue: Quartz
Gangue: Jasper
Comments
Comment (Exploration): Status = Inactive
Comment (Deposit): Model Name = Epithermal gold vein
Comment (Deposit): Other Comments = the prospect is located on land patented by, or interim-conveyed to, the Aleut Corporation.
Comment (Geology): Geologic Description = Trujillo and others (1981) describe this prospect as a 60-foot-wide zone of propylitic and pyritic alteration marked by limonitic and chalcedonic quartz and jasper float. Hand-trenching revealed quartz veins as much as 2 feet in width associated with intense alteration. The best assays obtained were 0.02 ppm gold, 1.5 ppm silver, and 0.78 ppm mercury. An old 20-foot shaft near the veins was sunk into intensely silicified tuffs. The wall rocks are part of the late Eocene to early Oligocene Popof volcanic rocks (Wilson and others, 1995).
Comment (Workings): Workings / Exploration = The prospect was covered by two unpatented mining claims. Old workings are a 20-foot shaft at the northwest end of claims and scattered pits elsewhere. In 1981 Resource Associated of Alaska hand trenched and sampled the prospect. Their best values were 0.02 ppm gold, 1.5 ppm silver, and 0.78 ppm mercury. Battle Mountain Exploration Company examined and sampled the prospect in 1986, but their samples contained no metal values of note.
Comment (Geology): Age = Eocene or younger.
Comment (Reference): Primary Reference = Trujillo and others, 1981
References
Reference (Deposit): Trujillo, R.S., Anderson, G., MacLeod, T., Hendrick, K., Farnham, S., Peterson, J., 1981. Exploration and evaluation of the Unga-Popof-Korovan Islands portion of lands leased from Aleut Native Corporation: Resource Associates of Alaska report, 70 p., 38 map sheets, various scales. (Report held by the Aleut Corporation, Anchorage, Alaska.)
Reference (Deposit): Wilson, F.H., White, W.H., and DuBois, G.D., 1988, Brief descriptions of mines, prospects, and mineral occurrences in the Port Moller and Stepovak Bay quadrangles, Alaska Peninsula: U.S. Geological Survey Open-File Report 88-666, 128 p., scale 1:250,000.
Reference (Deposit): Webber, B.S., Moss, J.M., Rutledge, F.A., and Sanford, R.S., 1946, Reconnaissance examinations of parts of the Alaska Peninsula and Aleutian Islands southwestern Alaska: U.S. Bureau of Mines, unpublished report of investigations, 40 p. (Unpublished report held by the U.S. Geological Survey, Anchorage.)
Reference (Deposit): Wilson, F.H., Detterman, R.L., Miller, J. W., and Case, J.E., 1995, Geologic map of the Port Moller, Stepovak Bay, and Simeonof Island quadrangles, Alaska: U.S. Geological Survey Miscellaneous Investigation Series Map I-2272, 1 map sheet, scale 1:250,000.
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