Taylor Creek

Site Name

Primary: Taylor Creek

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Commodity

Primary: Zinc
Primary: Lead
Primary: Silver
Primary: Copper

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Location

State: Alaska
District: Kupreanof

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Land Status

Not available

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Holdings

Not available

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Workings

Not available

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Ownership

Not available

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Production

Not available

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Deposit

Record Type: Site
Operation Category: Prospect
Operation Type: Unknown
Years of Production:
Organization:
Significant:

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Physiography

Not available

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Mineral Deposit Model

Not available

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Orebody

Not available

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Structure

Not available

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Alterations

Not available

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Rocks

Not available

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Analytical Data

Not available

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Materials

Ore: Sphalerite
Ore: Pyrite
Ore: Galena
Ore: Chalcopyrite

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Comments

Comment (Reference): Primary Reference = Kerns, 1950

Comment (Reserve-Resource): Reserves = None

Comment (Workings): Workings / Exploration = Prospect known since at least 1904. Considerable activity during the 1940's, mainly restricted to surface sampling and some trenching and pitting (Fowler, 1948 [DGGS IR 195-2]; Fowler, 1948 [DGGS IR 117-5]; Roehm, 1946 [DGGS IR 195-41]; and Roehm,1946 [DGGS IR 117-4]). The property has been been intermittently active since. Kerns (1950) reported on extensive diamond drilling carried out by the U. S. Bureau of Mines in 1948 and the 14 trenches they dug on several areas of mineralization. At least one company active on the property in 1998.

Comment (Geology): Geologic Description = Irregular masses and disseminated grains of galena, sphalerite, pyrite, and chalcopyrite occur in dolomitic limestone. In the best exposures along Taylor Creek, pervasively disseminated pyrite, galena, and sphalerite occur over an area about 3 m wide by 7 m long in a brecciated zone. This zone occurs in a thinly laminated to phyllitic, light-gray and white, fine-grained dolomitic marble which overlies green crenulated muscovite-chlorite-calcite schist. The mineralization persists for approximately 100 m along the southwest bank of Taylor Creek. Maximum assay values in drill cores and outcrop samples collected by Kerns (1950) were 4.3% Zn, 0.95% Pb, and 1.2 ounces silver per ton. Several origins for the deposit has been suggested, none very convincingly. Spatially and possibly genetically associated with the Duncan Canal-Zarembo belt of massive sulfide mineralization defined by Berg and Grybeck (1980), and Berg (1981). ? Brew, Ovenshine, Karl, and Hunt (1984) show that the host rocks are a small sliver of Upper Triassic Hyd Group that consists of felsic and intermediate volcanics, limestone, and argillite. Recent geologic mapping (Sue Karl, oral communication, 1998) indicate that Hyd Group rocks are much more extensive in the area.

Comment (Geology): Age = Unclear; possibly Triassic based on analogy with other massive sulfide deposits in the Duncan-Zarembo belt defined by Berg and Grybeck, 1980.

Comment (Deposit): Model Name = Tentatively some kind of volcanogenic massive sulfide deposit; possibly a replacement deposit or one that has been remobilized.

Comment (Exploration): Status = Active

Comment (Production): Production Notes = None

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References

Reference (Deposit): Cobb, E.H., 1972, Metallic mineral resources map of the Petersburg quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-415, 1 sheet, scale 1:250,000.

Reference (Deposit): Berg, H. C., and Grybeck, Donald, 1980, Upper Triassic volcanogenic Zn-Pb-Ag (-Cu-Au) mineral deposits near Petersburg, Alaska: U.S. Geological Survey Open-File Report 80-527, 11 p., 1 oversize sheet.

Reference (Deposit): Berg, H.C., 1981, Upper Triassic volcanogenic massive sulfide metallogenic province identified in southeastern Alaska, in Albert, N.R.D., and Hudson, T.L., eds., The United States Geological Survey in Alaska: accomplishments during 1979: U.S. Geological Survey Circular 823-B, p. B104-B108.

Reference (Deposit): Cobb, E.H., 1978, Summary of references to mineral occurrences (other than mineral fuels and construction materials) in the Petersburg quadrangle, Alaska: U.S. Geological Survey Open-File Report 78-870, 53 p.

Reference (Deposit): Grybeck, D.J., Berg, H.C., and Karl, S.M., 1984, Map and description of the mineral deposits in the Petersburg and eastern Port Alexander quadrangles: U.S. Geological Survey Open-File Report 84-837, 86 p., 1 sheet, scale 1:250,000.

Reference (Deposit): Fowler, H.M., 1948, Report of investigations in the Petersburg-Ketchikan mining precincts: Alaska Territorial Department of Mines Itinerary Report 195-2, 12 p.

Reference (Deposit): Roehm, J.C., 1946, Preliminary report on Taylor Creek lead-zinc property of Ora P. Schoonover (Taylor Creek): Alaska Territorial Department of Mines Prospect Evaluation 117-4, 2 p.

Reference (Deposit): Roehm, J.C., 1946, Report of Investigations and itinerary of J. C. Roehm in the Petersburg and Ketchikan mining precincts: Alaska Territorial Department of Mines Itinerary Report 195-41, 13 p.

Reference (Deposit): Wright, F.E., and Wright, C.W., 1908, The Ketchikan and Wrangell mining districts, Alaska: U.S. Geological Survey Bulletin 347, 210 p.

Reference (Deposit): Fowler, H.M., 1948, Taylor Creek lead-zinc prospect, Duncan Canal, Kupreanof Island, Alaska: Alaska Territorial Department of Mines Prospect Evaluation 117-5, 1 p.

Reference (Deposit): Kerns, W.H., 1950, Investigations of Taylor Creek lead-zinc deposit, Kupreanof Island, Petersburg, Alaska: U.S. Bureau of Mines Report of Investigations 4669, 13 p.

Reference (Deposit): Cobb, E. H., 1972, Summary of references to mineral occurrences (other than mineral fuels and construction materials) in the Petersburg Quadrangle, Alaska: U.S. Geological Survey Open-File Report 78-870, 53 p.

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