The Mary Lou 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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Mary Lou MRDS details
Site Name
Primary: Mary Lou
Secondary: Sand Point
Secondary: Popof Island Beach
Commodity
Primary: Gold
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: 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
Name: Gravel
Role: Host
Age Type: Host Rock
Age Young: Holocene
Analytical Data
Not available
Materials
Ore: Gold
Comments
Comment (Exploration): Status = Active
Comment (Geology): Age = Quaternary.
Comment (Workings): Workings / Exploration = The deposit occurs along 4,000 feet of beach. It was worked primarily during the period 1904 and 1905, when 20 to 40 men worked the deposit with rockers. Atwood (1909) estimated a production of 12,000 ounces during that time. Minor, intermittent work has taken place since.
Comment (Geology): Geologic Description = This beach gold placer deposit was discovered by Louis Herman in 1904 and described by Martin in 1905. The deposit was 4,000 feet in length and was apparently derived by erosion of nearby mineralized volcanic rocks. The gold was generally found below mid-tide, especially around boulders.? Atwood (1909) reported that 20 to 40 men were working the deposit with rockers in 1904 and that about 12,000 ounces were recovered in 1904 and 1905. Since that time there has been minor production.
Comment (Production): Production Notes = Atwood (1909) estimated that 12,000 ounces of gold were recovered in 1904 and 1905.
Comment (Reference): Primary Reference = Atwood, 1909
Comment (Deposit): Model Name = Placer Au (Cox and Singer, 1986; model 39a)
References
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.
Reference (Deposit): Cobb, E.H., 1973, Placer deposits of Alaska: U.S. Geological Survey Bulletin 1374, 213 p.
Reference (Deposit): Wilson, F.H., White, W.H., and DuBois, G.D., 1988, Brief descriptions of mines, prospects, and mineral occurrences in the Port Moller and Stepovak Bay quadrangles, Alaska Peninsula: U.S. Geological Survey Open-File Report 88-666, 128 p., scale 1:250,000.
Reference (Deposit): Wilson, F.H., White, W.H., Detterman, R.L., and Case, J.E., (1991) 1996, Maps showing the resource assessment of the Port Moller, Stepovak Bay, and Simeonof Island quadrangles, Alaska Peninsula, with a section on Geology of the Pyramid porphyry copper deposit, Alaska Peninsula, Alaska, by W.H. White, J.S. Christie, M.R. Wolfhard, and F.H.Wilson, and a section on Description of the Shumagin epithermal gold vein deposit, by W.H. White and L.D. Queen: U.S. Geological Survey Miscellaneous Field Studies Map MF-2155-F, 46 p., 2 sheets, scales 1:500,000 and 1:250,000...
Reference (Deposit): Atwood, W.W., 1911, Geology and mineral resources of parts of the Alaska Peninsula: U.S. Geological Survey Bulletin 467, 137 p.
Reference (Deposit): Smith, P.S., 1932, Mineral industry of Alaska in 1929, in Smith, P.S., and others Mineral resources of Alaska, report on progress of investigations in 1929: U.S. Geological Survey Bulletin 824-A, p. 1-81.
Reference (Deposit): Martin, G.C., 1905, Gold deposits of the Shumagin Islands, in Brooks A.H., Mineral resources of Alaska in 1904: U.S. Geological Survey Bulletin 259, p. 100-101.
Reference (Deposit): Atwood, W.W., 1909, Mineral resources of southwest Alaska, in Brooks, A.H., and others, Mineral resources of Alaska in 1908: U.S. Geological Survey Bulletin 379, 411 p.
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