The Fourth of July 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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Fourth of July Creek MRDS details
Site Name
Primary: Fourth of July Creek
Secondary: July Creek
Commodity
Primary: Gold
Secondary: Antimony
Secondary: Silver
Secondary: Lead
Location
State: Alaska
District: Bonnifield
Land Status
Not available
Holdings
Not available
Workings
Not available
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Years of Production:
Organization:
Significant:
Physiography
Not available
Mineral Deposit Model
Model Name: Placer Au-PGE
Orebody
Not available
Structure
Not available
Alterations
Not available
Rocks
Not available
Analytical Data
Not available
Materials
Ore: Gold
Ore: Jamesonite
Comments
Comment (Exploration): Status = Inactive
Comment (Reference): Primary Reference = Maddren, 1918
Comment (Deposit): Model Name = Placer Au (Cox and Singer, 1986; model 39a)
Comment (Geology): Geologic Description = Fourth of July Creek (referred to as July Creek by Maddren, 1918) is a small stream that discharges into the Totatlanika River about one-half mile above the head of Murphy Canyon. The creek is incised in schist, and the lower half mile is narrow and bounded by steep walls 100 to 150 feet high (Maddren, 1918, p. 393). About one-quarter mile above the mouth of the creek, the schist is intruded by a dike that trends northeast across the gulch. The most profitable mining took place in stream gravels from below this dike to the mouth of the creek (Maddren, 1918, p. 394). Much of the gold mined from the creek was rough; some was attached to vein quartz . The largest nugget mined was worth about $25 (about 1.2 ounces) (Maddren, 1918, p. 394). Most of the mining took place in 1910 and 1911; total production owas$10,000 in gold (Maddren, 1918, p. 394).
Comment (Production): Production Notes = Gold woth $10,000 was mined by pick and shovel in the summers of 1910 and 1911. The largest nugget mined was worth about $25 (about 1.2 ounces) (Maddren, 1918, p. 394).
Comment (Workings): Workings / Exploration = Mining by pick and shovel took place in 1910 and 1911 along the lower one-quarter mile of Fourth of July Creek (Maddren, 1918, p. 393-394).
Comment (Geology): Age = Quaternary placer.
References
Reference (Deposit): Cobb, E.H., 1972, Metallic mineral resources map of the Fairbanks quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-410, 1 sheet, scale 1:250,000.
Reference (Deposit): Cobb, E.H., 1976, Summary of references to mineral occurrences (other than mineral fuels and construction materials) in the Fairbanks quadrangle, Alaska: U.S. Geological Survey Open-File Report 76-662, 174 p.
Reference (Deposit): Overbeck, R.M., 1918, Lode deposits near the Nenana coal field: U.S. Geological Survey Bulletin 662-F, p. 351-362.
Reference (Deposit): Joesting, H.R., 1943, Strategic mineral occurrences in interior Alaska, supplement to pamphlet no. 1: Alaska Territorial Department of Mines Pamphlet 2, 26 p.
Reference (Deposit): Maddren, A.G., 1918, Gold placers near the Nenana coal field: U.S. Geological Survey Bulletin 662, p. 363-402.
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