Womens Bay

Site Name

Primary: Womens Bay
Secondary: Shakmanof

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Commodity

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

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Location

State: Alaska
District: Kodiak

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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

Model Name: Low-sulfide Au-quartz vein, Chugach-type
Model Name: Polymetallic veins

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Orebody

Not available

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Structure

Not available

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Alterations

Alteration Type: L
Alteration Text: Sericite and muscovite alteration in granodiorite wallrock.

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Rocks

Name: Diorite
Role: Host
Age Type: Host Rock
Age Young: Pliocene

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Analytical Data

Not available

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Materials

Ore: Arsenopyrite
Ore: Chalcopyrite
Ore: Galena
Ore: Gold
Ore: Pyrite
Ore: Pyrrhotite
Ore: Sphalerite
Ore: Stibnite
Gangue: Quartz

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Comments

Comment (Deposit): Model Name = Polymetallic vein; Chugach-type low sulfide gold-quartz vein (Cox and Singer, 1986; model 22c; Bliss, 1992; model 36a.1).

Comment (Exploration): Status = Inactive

Comment (Geology): Geologic Description = This prospect, first staked in 1906, consists of a quartz vein that cuts Tertiary granodiorite and strikes N. 60 W. and dips 75 southwest. The vein ranges in thickness from 12 to 14 feet and is said to be traceable for 1800 feet the bulk of the vein is milky white quartz and shows little mineralization. A later introduction of sulfide-bearing quartz resulted in a zone of nearly massive sulfides up to 18 inches in thickness. This zone narrowed down to 4 to 6 inches within a short distance along strike. Assays of the sulfide taken several years previous to Capps' visit in 1934 are said to have averaged $2 to $3 per ton ($20 gold?) while those taken later averaged $8.40 per ton ($35 gold?). One assay of the sulfides made by the USGS gave a value of 1.19 ounces per ton silver and no gold (Capps, 1937, p. 130) ? Roehm (1936, PE 131-2) described what appears to be the same prospect, however he called it the Ouzinkie Group. He described the prospect as a large banded quartz vein striking N. 40 W. and dipping 80 southwest. The vein was exposed for a length of 900 feet and traceable for 3000 feet and averaged 14 to 17 feet in thickness. The lens of nearly massive sulfides was up to 3 feet in thickness and could be traced for 200 feet along strike. Of 8 samples collected by Roehm the best assays were 0.36 ounce per ton gold and 2.20 ounces per ton silver over 26 inches.

Comment (Reference): Primary Reference = Capps, 1937

Comment (Geology): Age = Tertiary

Comment (Workings): Workings / Exploration = Shortly after this prospect was staked in 1906 it was developed by a 22-foot shaft and 152-foot adit. Assays taken several years previous to 1934 are said to have run $2 to $3 per ton in gold while those taken since 1934 averaged $8.40 per ton. A USGS sample assayed 1.19 ounces per ton silver and no gold. Roehm's best assay was 0.36 ounce per ton gold and 2.20 ounces per ton silver over 26 inches.

Comment (Deposit): Other Comments = Site is on land conveyed to the Koniag Corporation.

Comment (Deposit): Model Number = 22c, 36a.1

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References

Reference (Deposit): Cobb, E.H., 1972, Metallic mineral resources map of the Kodiak quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-460, 1 map sheet, scale 1:250,000.

Reference (Deposit): Roehm, J.C., 1936, Preliminary report of Ouzinkie Group, Kodiak Mining District, Kodiak Island, Alaska: Alaska Territorial Department of Mines Prospect Evaluation 131-2, 4 p. (1 sheet, scale 1 inch=100 feet).

Reference (Deposit): Rose, A.W., and Richter, D.H., 1967, Geology and stream sediment geochemistry of Anton Larsen Bay and vicinity, Kodiak Island, Alaska: Alaska Division of Mines and Minerals Geologic Report 31, 10 p., 1 sheet, scale 1:63,360.

Reference (Deposit): Cobb, E.H., 1979, Summary of references to mineral occurrences (other than mineral fuels and construction materials) in the Afognak, Karluk, Kodiak, and Trinity Islands quadrangles, Alaska: U.S. Geological Survey Open-File Report 79-860, 49 p.

Reference (Deposit): Rose, A.W., and Richter, D.H., 1967, Geology and stream sediment geochemistry of Anton Larsen Bay and vicinity, Kodiak Island, Alaska: State of Alaska Department of Natural Resources, Division of Mines and Minerals, Geologic Report 31, 10 p., 1 map sheet, scale 1:63,360.

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): McGee, D.L., 1972, Kodiak Island and vicinity, Alaska, geology and mineral resources: Alaska Division of Geological and Geophysical Surveys Open-File Report 31, 7 p., 1 map sheet, scale 1:250,000.

Reference (Deposit): Capps, S.R., 1937, Kodiak and adjacent islands, Alaska, in Smith, P.S. and others, Mineral resources of Alaska, 1934: U.S. Geological Survey Bulletin 880, p. 111-184, 1 map sheet, scale 1:250,000.

Reference (Deposit): Berg, H.C., and Cobb, E.H., 1967, Metalliferous Lode Deposits of Alaska. U.S. Geological Survey Bulletin 1246, 254 p.

Reference (Deposit): Roehm, J.C., 1936, Preliminary report of Ouzinkie Group, Kodiak Mining District, Kodiak Island, Alaska: Alaska Territorial Department of Mines, Prospect Evaluation 131-2, 4 p. 1 map sheet, scale 1 inch=100 feet.

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