Unnamed (on Woewodski Island)

The Unnamed (on Woewodski Island) is a zinc, lead, 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

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Site Name

Primary: Unnamed (on Woewodski Island)

Commodity

Primary: Zinc
Primary: Lead
Primary: Gold

Location

State: Alaska
District: Kupreanof

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: Low-sulfide Au-quartz vein
Model Name: Massive sulfide, Sierran kuroko
Model Name: Massive sulfide, kuroko

Orebody

Not available

Structure

Not available

Alterations

Not available

Rocks

Not available

Analytical Data

Not available

Materials

Not available

Comments

Comment (Exploration): Status = Active

Comment (Workings): Workings / Exploration = Woewodski Island has lured prospectors since at least the 1920's and there are numerous stories and rumors about people who have prospected there and what they found, many of which cannot be documented or verified well. For instance, it is common knowledge that there was a major drilling program carried out by a private company east of Harvey Lake in the mid-1970's and Williams (1953) mentions a prospect of unstated type somewhere between Harvey Lake and what is now called Harrys Lake. In addition, since the 1970's various parts of the Island have been examined by a succession of companies, including Resource Associates of Alaska, Cominco Exploration, Houston Oil and Minerals, Westmin Resources, and others, as well as private individuals. Most of the Island has been staked at one time or another in the last 20 years and sampled geochemically, some areas repeatedly. In other words, there has been much more work on Woewodski Island, some going back 80 years, than cannot be documented. The details of the types of deposits being searched for are unknown but in general the search was probably mainly for gold until the 1970's and since then for volcanogenic massive sulfide deposits.

Comment (Deposit): Model Name = Gold quartz vein (Cox and Singer, 1986; model 36a); and barite facies of a Kuroko massive-sulfide model (Cox and Singer, 1986; model 28a); or alternatively a barite facies of a Sierran Kuroko model (Bliss, 1992; model 28a1)

Comment (Geology): Geologic Description = Woewodski Island has complex geology that is largely covered by thick vegetation and is further complicated by a prominent structural zone that crosses it and continues north along Duncan Canal. Brew (1997 [OF 97-156-J]) maps the rocks on Woewodski Island as Mesozoic phyllite; Triassic, Hyd Group felsic and intermediate volcanic flows and breccia, limestone, and argillite; Mesozoic gabbro; and Cretaceous diorite, but the exact relationships and distribution of these rocks requires more detailed mapping. Woewodski Island has lured prospectors since at least the 1920's and there are numerous stories and rumors about people who have prospected there and what they found, many of which cannot be documented or verified well. For instance, it is common knowledge that there was a major drilling program carried out by a private company east of Harvey Lake in the mid-1970's and Williams (1953) mentions a prospect of unstated type somewhere between Harvey Lake and what is now called Harrys Lake. In addition, since the 1970's various parts of the Island have been examined by a succession of companies, including Resource Associates of Alaska, Cominco Exploration, Houston Oil and Minerals Westmin Resources, and others, as well as private individuals. The details of at least some of the work by Houston Oil and Minerals in late 1970's and 1980 have been filed with their notice of assessment work in the Petersburg Recorders office (Book 10, pages 933-971, and Book 12, pages 687-738). Most of the Island has been staked at one time or another in the last 20 years and sampled geochemically, some areas repeatedly. In other words, there has been much more work on Woewodski Island, some going back 80 years, than cannot be documented. It is likely that additional mineral occurrences were found as a result of this work, perhaps many more. The details of the types of deposits that were being searched for in specific exploration work are largely undocumented now but in general the search was probably mainly for gold until the 1970's and since then for volcanogenic massive sulfide deposits.

Comment (Geology): Ore Material = (See geologic description.)

Comment (Production): Production Notes = See the descriptions of individual properties within the area, PE028 to PE033.

Comment (Reference): Primary Reference = This description (and see PE028 to PE 033)

References

Reference (Deposit): Brew, D.A., 1997, Reconnaissance geologic map of the Petersburg C-4 quadrangle, southeastern Alaska: U.S. Geological Survey Open-File Report 97-156-J, 21 p., 1 sheet, scale 1:63,360.

Reference (Deposit): Williams, J.A., 1953, Preliminary report on Maid of Mexico property (Woewodski Island): Alaska Territorial Department of Mines Prospect Evaluation 117-6, 4 p., 1 sheet, scale 1:63,360.

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