Smucker

The Smucker is a silver, lead, zinc, and 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

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Site Name

Primary: Smucker
Secondary: Charlie, Patti, Puzzle, Ambler 4-B

Commodity

Primary: Silver
Primary: Lead
Primary: Zinc
Primary: Copper
Secondary: Gold

Location

State: Alaska
District: Kiana

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: Massive sulfide, kuroko

Orebody

Not available

Structure

Not available

Alterations

Alteration Type: L
Alteration Text: No hydrothermal alteration of wall rock evident.

Rocks

Not available

Analytical Data

Not available

Materials

Ore: Chalcopyrite
Ore: Galena
Ore: Owyheeite
Ore: Sphalerite
Gangue: Calcite
Gangue: Chlorite
Gangue: Muscovite
Gangue: Pyrite
Gangue: Quartz

Comments

Comment (Exploration): Status = Active

Comment (Deposit): Other Comments = Excellent example of stratiform volcanogenic sulfide deposit typical of the Ambler sequence in the southern Brooks Range. This is the westernmost known occurrence of this type deposit in the southern Brooks Range. All available data suggest Smucker to be relatively significant in size (Hitzman and others, 1986)

Comment (Deposit): Model Name = Kuroko

Comment (Workings): Workings / Exploration = Surface geologic mapping, geochemical sampling (soil grids), electromagnetic measurements, magnetometer measurements, and eight drill holes by 1984 (Nana Development Corp., written commun., 1997). According to Mayfield and Grybeck (1978) two drill samples 2400 ft (820 m) apart intersected layered sulfide zones 9 ft. to 27 ft. (3 m to 9 m) thick assaying 100 g/ton Ag, 2-8% Zn and 1-1.6% Pb. Grades from drill samples indicated 3.8% Zn, 1.2 to 1.6% Pb, 69-514 g/ton Ag. ???

Comment (Geology): Geologic Description = Layered sulfide zone 9 ft to 27 ft. (3 m to 9 m) thick, continous for at least 6000 ft (2000 m) along strike, consists of banded, fine to medium grained pyrite, sphalerite, galena, chalcopyrite and minor owyheeite in a silica-calcite-pyrite matrix. The country rocks are characteristic of the Devonian-Mississippian Ambler sequence and consist dominantly of well-foliated porphyroblastic quartz-feldspar-muscovite-chlorite schist interlayered with quartz-muscovite-chlorite phyllite, graphitic phyllite, calcite-mica schist and marble. Mineralized zone is repeated by complex folding (Nana Development Corp., written commun., 1997)

Comment (Reserve-Resource): Reserves = Hitzman and others (1986) report greater than eight million metric tons grading 0.8% Cu, 6.8% Zn, 2.3% Pb, 200 g/ton Ag. Bundzten (1995) reported "significant" tonnage grading 1.5% Pb, 5%-10% Zn, 103-343 g/ton Ag, and minor Au.

Comment (Reference): Primary Reference = Hitzman and others, 1986

Comment (Geology): Age = Devonian

References

Reference (Deposit): Hitzman, M.W., Profett, J.M., Jr., Schmidt, J.M., and Smith, T.E., 1986, Geology and mineralization of the Ambler district, northwestern Alaska: Economic Geology, v. 81, p. 1592-1618.

Reference (Deposit): Bear Creek Mining Company, 1984, unpublished report

Reference (Deposit): Eakins, G.R., Bundtzen, T.K., Lueck, L.L. Green, C.B., Gallagher, J.L., and Robinson, M.S., 1985, Alaska mineral industry, 1984: Alaska Division of Geological and Geophysical Surveys Special Report 38, 57p.

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