Tippy

The Tippy is a copper and 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

Name: Tippy  

State:  Alaska

County:  na

Elevation:

Commodity: Copper, Gold

Lat, Long: 60.5, -158.74000

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Satelite View

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Satelite image of the Tippy

Tippy MRDS details

Site Name

Primary: Tippy


Commodity

Primary: Copper
Primary: Gold
Secondary: Silver
Secondary: Mercury


Location

State: Alaska
District: Aniak


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

Alteration Type: L
Alteration Text: Silicification (quartz veining in hornfels) and oxidation.


Rocks

Not available


Analytical Data

Not available


Materials

Ore: Arsenopyrite
Ore: Chalcopyrite
Ore: Malachite
Gangue: Quartz
Gangue: Tourmaline


Comments

Comment (Exploration): Status = Active?

Comment (Geology): Age = Late Cretaceous or Tertiary. Mineralization postdates deposition and deformation of mid-Cretaceous clastic sedimentary rocks and emplacement of Upper Cretaceous or Tertiary intrusive rocks.

Comment (Workings): Workings / Exploration = At least surface examination and sampling has taken place.

Comment (Geology): Geologic Description = At this locality, shale and graywacke, inferred to be part of the mid-Cretaceous Kuskokwim Group, is intruded and baked by a 15-foot wide, Cretaceous or Tertiary felsic dike (Clark and others, 1970). The limonite-stained dike contains some small cavities lined with apple green crystals of bindheimite (?), and small clots of acicular tourmaline. Quartz veins in the hornfels are up to 0.25 inch wide and contain 1 to 2 percent arsenopyrite and minor chalcopyrite; fracture surfaces are stained by malachite. Rock samples from this locality (Clark and others, 1970, samples AMM 777 and 799) contained up to 2,000 ppm B, 15,000 ppm Cu, 200 ppm Ag, 15 ppm Mo, 10,000 ppm Sb, 1.5 ppm Au, and greater than 10 ppm Hg. Rock samples collected up to 3,000 feet north-northwest along the ridge from this locality also contained anomalous levels of some metals, especially Ag, Cu, B, and Hg (Clark and others, 1970, sample localities 11 and 12).

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

Comment (Reference): Primary Reference = Clark and others, 1970


References

Reference (Deposit): Clark, A. L., Condon, W. H., Hoare, J. M., and Sorg, D. H., 1970, Analyses of rock and stream sediment samples from the Taylor Mountains C-8 quadrangle, Alaska: U. S. Geological Survey Open-File Report 438, 89 p.

Reference (Deposit): Clark, A. L., Condon, W. H., Hoare, J. M., and Sorg, D. H., 1970, Analyses of rock and stream sediment samples from the Taylor Mountains C-8 quadrangle, Alaska: U. S. Geological Survey Open-File Report 437, 94 p.

Reference (Deposit): Cobb, E.H., 1976, Summary of references to mineral occurrences (other than mineral fuels and construction materials) in the Dillingham, Sleetmute, and Taylor Mountains quadrangles, Alaska: U.S. Geological Survey Open-File Report 76-606, 92 p.

Reference (Deposit): Cobb, E.H., 1972, Metallic mineral resources map of the Taylor Mountains quadrangle: U.S. Geological Survey Miscellaneous Field Studies Map MF-384, scale 1:250,000.

Reference (Deposit): Cobb, E.H., 1976, Summary of references to mineral occurrences (other than mineral fuels and construction materials) in the Dillingham, Sleetmute, and Taylor Mountain quadrangles, Alaska: U.S. Geological Survey Open-File Report 76-606, 92 p.


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