The Dorothy 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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Dorothy Creek MRDS details
Site Name
Primary: Dorothy Creek
Commodity
Primary: Gold
Secondary: Antimony
Secondary: Tungsten
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: 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: Scheelite
Ore: Stibnite
Comments
Comment (Reference): Primary Reference = Collier and others, 1908
Comment (Workings): Workings / Exploration = Dorothy Creek was placer mined as early as 1900 and by 1903 about 44,000 dollars or 2,125 ounces of gold had been produced (Collier and others, 1908). Some mining took place as recently as 1940 (Smith,1942).
Comment (Geology): Age = Quaternary.
Comment (Geology): Geologic Description = Dorothy Creek was placer mined for gold as early as 1900, and by 1903 about 44,000 dollars or 2,125 ounces of gold had been produced (Collier and others, 1908). Some mining took place as recently as 1940 (Smith, 1942). The placer concentrate contained bladed stibnite crystals and minor scheelite (Coats, 1944; Anderson, 1947).? Bedrock in the Dorothy Creek drainage is mainly metasedimentary schist that lies structurally above a regionally extensive marble unit (Hummel, 1962 [MF 248]). Small orthogneiss bodies, greenstone bodies, and numerous quartz veins are present in the schist (Collier and others, 1908; Hummel, 1962 [MF 248]). The Wyoming prospect (NM110) is apparently an arsenopyrite- and (or) pyrite-bearing vein exposed along Dorothy Creek, and antimony occurrences (NM068, NM069) and the Bulk Gold prospects (NM071, NM072) occur on the ridge along the southwest headwaters of Dorothy Creek.
Comment (Production): Production Notes = The produced gold reportedly assayed 14 to 15 dollars per ounce (Collier and others, 1908). The early mining was said to have been expensive and little profit was made (Moffit, 1913).
Comment (Exploration): Status = Active?
Comment (Deposit): Model Name = Placer Au (Cox and Singer, 1986; model 39a).
References
Reference (Deposit): Hummel, C.L., 1962, Preliminary geologic map of the Nome D-1 quadrangle, Seward Peninsula, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-248, 1 sheet, scale 1:63,360.
Reference (Deposit): Anderson, Eskil, 1947, Mineral occurrences other than gold deposits in northwestern Alaska: Alaska Territorial Division of Mines Pamphlet 5-R, 48 p.
Reference (Deposit): Moffit, F.H., 1913, Geology of the Nome and Grand Central quadrangles, Alaska: U.S. Geological Survey Bulletin 533, 140 p.
Reference (Deposit): Collier, A. J., Hess, F.L., Smith, P.S., and Brooks, A.H., 1908, The gold placers of parts of Seward Peninsula, Alaska, including the Nome, Council, Kougarok, Port Clarence, and Goodhope precincts: U.S. Geological Survey Bulletin 328, 343 p.
Reference (Deposit): Coats, R.R., 1944, Lode scheelite occurrences of the Nome area: U.S. Geological Survey Open-File Report 17, 6 p.
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