The Mt. Dutton is a silver and copper 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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Mt. Dutton MRDS details
Site Name
Primary: Mt. Dutton
Commodity
Primary: Silver
Primary: Copper
Secondary: Lead
Secondary: Zinc
Secondary: Gold
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: Occurrence
Operation Type: Unknown
Years of Production:
Organization:
Significant:
Physiography
Not available
Mineral Deposit Model
Model Name: Epithermal vein, generic
Model Name: Polymetallic veins
Model Name: Porphyry Cu
Orebody
Not available
Structure
Not available
Alterations
Alteration Type: L
Alteration Text: Christie (1974) reported contact metamorphic effects and weak propylitic alteration.
Rocks
Name: Volcanic Rock (Aphanitic)
Role: Host
Age Type: Host Rock
Age Young: Pliocene
Name: Volcanic Rock (Aphanitic)
Role: Host
Age Type: Associated Rock
Age Young: Pliocene
Analytical Data
Not available
Materials
Ore: Pyrite
Comments
Comment (Deposit): Model Name = Porphyry copper, polymetallic vein, epithermal gold vein
Comment (Deposit): Model Number = 17, 22c, 25
Comment (Exploration): Status = Inactive
Comment (Workings): Workings / Exploration = Christie (1974) reported brief reconnaissance geologic mapping and collected silt samples, none of which showed any anomalies in copper, molybdenum, zinc, silver, or gold. Butherusand others (1979) reported rock and pan concentrate samples slightly anomalous in copper (130 ppm), lead (300 ppm), zinc (600 ppm), and silver (3.2 ppm).
Comment (Reference): Primary Reference = Butherus and other, 1979
Comment (Geology): Geologic Description = Two color anomalies 200 by 400 ft and 3,000 by 1,200 ft (60 by 120 and 900 by 360 m) in hornfelsed volcanic rocks cut by rare diorite dikes (Christie,1974). Pyrite content (0 to 8 percent) is highest in fractured rocks, although most pyrite is disseminated rather than fracture-controlled. Diorite dikes are only weakly altered and are not mineralized. Butherus and others (1979) reported that the color anomalies south and east of Mt. Dutton consist of altered, pyritic andesite containing quartz and calcite veins.
Comment (Deposit): Other Comments = Reported quartz veining (Butherus and others, 1979) lsuggests possibility of epithermal gold vein or polymetallic vein type mineral deposits.
Comment (Geology): Age = Miocene or younger
References
Reference (Deposit): Christie, J.S., 1974, Aleut-Quintana-Duval 1974 joint venture, final report: Unpublished Quintana Minerals Corporation report, 24 p., 3 appendices, 2 maps. (Report held by the Aleut Corporation, Anchorage, Alaska.)
Reference (Deposit): MacKevett, E.M., Jr., and Holloway, C.D., 1977, Map showing metalliferous mineral deposits in the western part of southern Alaska: U.S. Geological Survey Open-File Report 77-169-F, 38 p., 1 sheet, scale 1:1,000,000.
Reference (Deposit): Butherus, D.L, Gressitt, E.E., Pray, J., Corner, N.G., Lindberg, P.H., and Fankhauser, R.E., 1979, Exploration and evaluation of the Aleut Native Corporation lands; Volume III: Resource Associates of Alaska, 69 p. 90 sheets, various sacales. (Report held by the Aleut Native Corporation, Anchorage, Alaska.)
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