The Unnamed (ridge between Butterfield and upper Bangor Creeks) 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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Unnamed (ridge between Butterfield and upper Bangor Creeks) MRDS details
Site Name
Primary: Unnamed (ridge between Butterfield and upper Bangor Creeks)
Commodity
Primary: Gold
Secondary: Arsenic
Location
State: Alaska
District: Nome
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
Not available
Orebody
Not available
Structure
Not available
Alterations
Alteration Type: L
Alteration Text: Pre-metamorphism quartz veining or replacement?
Rocks
Not available
Analytical Data
Not available
Materials
Not available
Comments
Comment (Deposit): Model Name = Metamorphosed low-sulfide Au-quartz veins?
Comment (Geology): Age = Mineralization either predates regional metamorphism or took place during a ductile stage of deformation, possibly mid-Cretaceous.
Comment (Reference): Primary Reference = This report
Comment (Workings): Workings / Exploration = Claims staking and surface prospecting appears to have taken place here before 1920.
Comment (Exploration): Status = Inactive
Comment (Geology): Geologic Description = This occurrence is at or near the crest of an antiform where intensely deformed schist contains weakly mineralized quartz, including quartz rods (Kennecott Exploration Company, written communication, 1992). The quartz rods and linear elements in the schist plunge to the north-northwest. The area was apparently prospected in the early years of the Nome district, probably before 1920; quartz rods were used as claim posts. Quartz and schist from the site contain as much as 0.02 ounce of gold per ton and hundreds of parts per million arsenic. The occurrence is of interest because it may indicate pre-metamorphism gold mineralization or mineralization during a ductile stage of metamorphism. In either case, the mineralization is older than the widespread low-sulfide Au-quartz veins of the Nome district.
References
Reference (Deposit): Hawley, C.C., and Hudson, T.L., 2002, Alaska Resource Data File, Nome quadrangle: U.S. Geological Survey Open-File Report 02-113, 735 p.
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