The Unnamed (Sledge Creek) 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 (Sledge Creek) MRDS details
Site Name
Primary: Unnamed (Sledge Creek)
Commodity
Primary: Gold
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
Model Name: Low-sulfide Au-quartz vein
Orebody
Not available
Structure
Not available
Alterations
Not available
Rocks
Not available
Analytical Data
Not available
Materials
Ore: Limonite
Gangue: Quartz
Gangue: Feldspar
Comments
Comment (Workings): Workings / Exploration = The veins were explored by shallow pits, some of which were excavated before Cathcart's visit in 1920.
Comment (Deposit): Model Name = Low-sulfide Au-quartz vein? (Cox and Singer, 1986; model 36a).
Comment (Geology): Age = Mid-Cretaceous or younger; cross cuts metamorphic rocks of that age.
Comment (Exploration): Status = Inactive
Comment (Reference): Primary Reference = Cathcart, 1922
Comment (Geology): Geologic Description = Quartz-feldspar veins crop out south of Sledge Creek just upstream of where Sledge Creek enters onto the Snake River valley and about 700 feet upslope from a water ditch. This occurrence appears to be similar to a quartz-feldspar vein described by Cathcart on the north side of Sledge Creek (Cathcart, 1922, p. 249, figure 19, location 2), who also identified feldspar at the occurrence on the north side of Sledge Creek as orthoclase, probably because of its nearly euhedral platy form. The feldspar is probably albite or a sodic oligoclase similar to the platy feldspar found abundantly at the Alpha Ridge prospect (NM171) about a half mile south of this occurrence. Sulfides were not observed by Cathcart, but the vein was iron-stained. Similar nearby quartz-feldspar veins are gold bearing.
References
Reference (Deposit): Cathcart, S.H., 1922, Metalliferous lodes in southern Seward Peninsula: U.S. Geological Survey Bulletin 722, p. 163-261.
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