The Tidewater 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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Tidewater MRDS details
Site Name
Primary: Tidewater
Secondary: Skinner
Commodity
Primary: Gold
Location
State: Alaska
District: Homer
Land Status
Not available
Holdings
Not available
Workings
Not available
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Prospect
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
Alteration Type: L
Alteration Text: None reported although, Borden and others (1991) report other veins in the Nuka Bay district show carbonization, sulfidization, sericitization, and silicification of the wall rock adjacent to the veins.
Rocks
Name: Siltstone
Role: Host
Age Type: Host Rock Unit
Age Young: Paleocene
Name: Siltstone
Role: Host
Age Type: Host Rock
Age Young: Paleocene
Analytical Data
Not available
Materials
Ore: Gold
Ore: Arsenopyrite
Gangue: Quartz
Comments
Comment (Geology): Age = Tertiary; Boden and others (1991) report other veins in the district are about 55 m.y. old.
Comment (Geology): Geologic Description = The prospect is in graywacke and interbedded slate of the Cretaceous Valdez Group (Richter, 1970). Prior to 1931, a 41 foot adit was driven on a vein that strikes N80E and dips 72S. The vein consists of a half-foot of sheeted quartz with scattered lens of arsenopyrite along the footwall and as much as four feet of barren quartz stockwork in the hanging wall. The country rock along the hanging wall is a graywacke that was brecciated prior to the introduction of the quartz stockwork. Assay values ranged from $38.90 to $18.00 per ton with gold at $20.67 per ounce (Pilgrim, 1933).
Comment (Workings): Workings / Exploration = A 41 foot adit was driven in the 1930's. Richter (1970) took a single channel sample across the vein in the face of the drift, that assayed 6.5 ppm gold.
Comment (Production): Production Notes = Probably none.
Comment (Reference): Primary Reference = Richter, 1970; Pilgrim,1933
Comment (Exploration): Status = Inactive
Comment (Deposit): Model Name = Low-sulfide, Au-quartz vein (Cox and Singer, 1986; model 36a)
References
Reference (Deposit): MacKevett, E.M., Jr., and Holloway, C.D., 1977, Map showing metalliferous and selected non-metalliferous mineral deposits in the eastern part of southern Alaska: U.S. Geological Survey Open-File Report 77-169-A, 99 p., 1 sheet, scale 1:1,000,000.
Reference (Deposit): Richter, D.H., 1970, Geology and lode-gold deposits of the Nuka Bay area, Kenai Peninsula, Alaska: U.S. Geological Survey Professional Paper 625-B, p. Bl-B16.
Reference (Deposit): Pilgrim, E.R., 1933, Progress of lode mining in interior Alaska, 1932: Alaska Territorial Department of Mines Miscellaneous Report 194, 11 p.
Reference (Deposit): Cobb, E.H., 1972, Metallic minerals resources map of the Seldovia quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-397, 1 sheet, scale 1:250,000.
Reference (Deposit): Cobb, E.H., 1979, Summary of references to mineral occurrences (other than minerals fuels and construction materials) in the Seldovia quadrangle, Alaska: U.S. Geological Survey Open-file Report 80-87, 47 p.
Reference (Deposit): Borden, J.C., Goldfarb, R.J., Gent, C.A., Burruss, R.C., and Roushey, B.H., 1992 Geochemistry of lode-gold deposits, Nuka Bay district, southern Kenai Peninsula: Geologic studies in Alaska by the U.S. Geological Survey, 1991: U.S. Geological Survey Bulletin 2041, p. 13-21.
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