The Bechevin Bay 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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Bechevin Bay MRDS details
Site Name
Primary: Bechevin Bay
Commodity
Primary: Gold
Secondary: 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: Occurrence
Operation Type: Unknown
Years of Production:
Organization:
Significant:
Physiography
Not available
Mineral Deposit Model
Model Name: Epithermal vein, generic
Orebody
Not available
Structure
Not available
Alterations
Alteration Type: L
Alteration Text: Propylitic alteration is common, as evidenced by chlorite and epidote. Rare sericitic alteration is locally present. Leaching is moderate and fracturing ranges from slight to intense.
Rocks
Name: Volcanic Rock (Aphanitic)
Role: Host
Age Type: Host Rock
Age Young: Holocene
Name: Volcanic Rock (Aphanitic)
Role: Host
Age Type: Associated Rock
Age Young: Holocene
Analytical Data
Not available
Materials
Ore: Pyrite
Comments
Comment (Exploration): Status = Inactive
Comment (Workings): Workings / Exploration = Brief reconnaissance geologic mapping and geochemical sampling reported by Christie (1974). Geochemical results showed copper typically less than 30 ppm and molybdenum less than 5 ppm; silver ranged from 0.9 to 1.6 ppm and gold was generally less than 0.01 ppm one sample yielded 0.02 ppm.
Comment (Geology): Geologic Description = Christie (1974) reported brief reconnaissance mapping of a color anomaly 2,000 by 3,000 ft, (600 by 900 m) covering a variety of volcanic rocks. The color anomaly is apparently due entirely to pervasive pyrite disseminated in all rock types. 99 percent of the pyrite is disseminated at concentrations up to 15 percent of the rock, and only rarely is it seen in fractures.
Comment (Reference): Primary Reference = Christie, 1974
Comment (Deposit): Model Name = Epithermal gold vein
Comment (Deposit): Other Comments = Chrisite (1974) typically does not mention quartz veins in his descriptions. If they are not present at this occurrence, their absence probably is significant with respect to potential for epithermal gold vein mineralization.
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.
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