Tin Creek-Tributary

The Tin Creek-Tributary is a copper 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

Name: Tin Creek-Tributary  

State:  Alaska

County:  na

Elevation:

Commodity: Copper

Lat, Long: 62.46306, -153.66389

Map: View on Google Maps

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Satelite image of the Tin Creek-Tributary

Tin Creek-Tributary MRDS details

Site Name

Primary: Tin Creek-Tributary


Commodity

Primary: Copper
Secondary: Zinc


Location

State: Alaska
District: McGrath


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


Orebody

Not available


Structure

Not available


Alterations

Not available


Rocks

Not available


Analytical Data

Not available


Materials

Ore: Chalcopyrite
Ore: Malachite
Ore: Pyrrhotite
Ore: Sphalerite
Gangue: Quartz


Comments

Comment (Deposit): Model Name = Polymetallic vein (Cox and Singer, 1986; model 22c).

Comment (Geology): Geologic Description = At the Tin Creek-Tributary occurrence, chalcopyrite and other sulfides are localized within one foot of a malachite-stained shear zone that extends for about 6 meters along dip. The shear zone cuts calcareous clastics of the mid-Silurian Terra Cotta Mountains Sandstone, a unit of the Dillinger subterrane (Bundtzen, Harris, and Gilbert, 1997). ? Sulfide grab samples contain 0.70 percent copper and 0.15 percent zinc. Nearby stream cobbles contain pyrrhotite, with minor sphalerite and chalcopyrite. Placer concentrates contain anomalous copper and zinc in the nearby stream gulch that cuts the mineralized shear zone (Cobb, 1972).

Comment (Reference): Primary Reference = Reed and Elliott, 1968 (C 596)

Comment (Workings): Workings / Exploration = Sulfide grab samples contain up to 0.70 percent copper and 0.15 percent zinc. Nearby stream cobbles contain pyrrhotite and minor sphalerite. Placer concentrates contain anomalous copper and zinc in a stream gulch that cuts the mineralized area.

Comment (Exploration): Status = Inactive


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): Reed, B.L. and Elliott, R.L., 1968, Geochemical anomalies and metalliferous deposits between Windy Fork and Post River, southern Alaska: U.S. Geological Survey Circular 596, 22 pages.

Reference (Deposit): Bundtzen, T.K., Harris, E.E., and Gilbert, W.G., 1997, Geologic Map of the eastern McGrath quadrangle, Alaska: Alaska Division of Geological and Geophysical Surveys Report of Investigations 97-14, 34 pages, one sheet, scale 1:125,000.

Reference (Deposit): Bundtzen, T.K., Kline, J.T., and Clough, J.G., 1982, Preliminary geologic map of the McGrath B-2 quadrangle, Alaska: Alaska Division of Geological and Geophysical Surveys Open-File report 149, 22 pages, one sheet, scale 1:63,360.


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