The Unnamed (near Omilak Creek) is a lead 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 (near Omilak Creek) MRDS details
Site Name
Primary: Unnamed (near Omilak Creek)
Commodity
Primary: Lead
Location
State: Alaska
District: Council
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: Polymetallic veins
Model Name: Polymetallic replacement
Orebody
Not available
Structure
Not available
Alterations
Alteration Type: L
Alteration Text: Oxidation of sulfide minerals.
Rocks
Not available
Analytical Data
Not available
Materials
Ore: Cerussite
Ore: Galena
Gangue: Limonite
Comments
Comment (Reference): Primary Reference = Mulligan, 1962
Comment (Workings): Workings / Exploration = No workings are known at his locality.
Comment (Geology): Geologic Description = A small gossan in metacarbonate rocks contains limonite, cerussite and some galena. A grab sample assayed 6.3 % Pb (Mulligan, 1962). This is in high grade carbonate metamorphic rocks of probable lower Paleozoic age (Till and others, 1986).
Comment (Deposit): Model Number = 19a ?; 22c ?
Comment (Deposit): Model Name = Polymetallic vein or replacement in marble (Cox and Singer, 1986; model 19a or 22c ?). May be similar to Foster propect (BN098).
Comment (Exploration): Status = Inactive
Comment (Geology): Age = Cretaceous ; Epigenetic mineralization in metamorphic rocks of Seward Peninsula is primarily of Cretaceous age.
References
Reference (Deposit): Till, A.B., Dumoulin, J.A., Gamble, B. ., Kaufman, D.S., and Carroll, P.I., 1986, Preliminary geologic map and fossil data, Soloman, Bendeleben, and southern Kotzebue quadrangles, Seward Peninsula, Alaska: U.S. Geological Survey Open-File Report 86-276, 10 p., 3 plates, scale 1:250,000.
Reference (Deposit): Mulligan, J.J., 1962, Lead-silver deposits in the Omilak area, Seard Peninsula, Alaska: U.S. Bureau of Mines Report of Investigations 6018, 44 p.
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