Hattie

The Hattie is a 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: Hattie

Commodity

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: Producer
Operation Type: Unknown
Years of Production:
Organization:
Significant:

Physiography

Not available

Mineral Deposit Model

Model Name: Low-sulfide Au-quartz vein

Orebody

Not available

Structure

Not available

Alterations

Not available

Rocks

Not available

Analytical Data

Not available

Materials

Ore: Galena
Ore: Chalcopyrite
Ore: Pyrite
Ore: Sphalerite
Gangue: Quartz

Comments

Comment (Workings): Workings / Exploration = Known since before 1905 and explored by about 500 feet of underground workings from an adit (Wright and Wright, 1908). Moderate-sized dump on property. Roehm (1945 [IR 195-37]) noted that the property consisted of two parallel veins along a brecciated shear zone; levels at 63 and 134 feet were developed through a shaft. The dump is overgrown by trees and there has probably been no underground work of any significance since before WWII. However, the property has repeatedly been visited by geologists over the last several decades in conjunction with the general high level of interest in Woewodski Island, and probably has had considerable surface geologic, geochemical, and geophysical work in the vicinity, if not at this particular deposit.

Comment (Commodity): Ore Material = Minor pyrite

Comment (Commodity): Ore Material = rare chalcopyrite

Comment (Exploration): Status = Active?

Comment (Deposit): Model Name = Au-quartz vein (Cox and Singer, 1986; model 36a)

Comment (Production): Production Notes = No documented production. There have been persistent rumors of at least a small test ore shipment that was processed nearby at the Helen S mill in the early part of the century.

Comment (Geology): Geologic Description = White quartz veins along a zone at least 1000 feet long cut pyritic, rusty-weathering, light-greenish gray calcareous metarhyolite that is probably part of the Triassic Hyd Group. The metarhyolite is intruded by Mesozoic epidote-hornblende gabbro and fresh, medium-grained Cretaceous diorite (Brew, 1997 [OF 97-156-J]). The quartz veins contain sparse to rare disseminated pyrite, and rare grains of chalcopyrite, galena, and sphalerite. Gold values uncertain but probably low; the best assay from several samples collected by the USGS on the dump in the early 80's was 0.05 ounces of gold per ton (Grybeck, Berg, and Karl, 1984). Roehm (1945 [IR 195-37]) noted that the deposit had low Ag and Au values.

Comment (Reserve-Resource): Reserves = None

Comment (Reference): Primary Reference = Wright and Wright, 1908; this description

References

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): 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): 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): Roehm, J.C., 1945, Preliminary report of investigations and itinerary of J. C. Roehm in the Wrangell and Petersburg precincts, Alaska: Teritory of Alaska, Department of Mines Itinerary Report 195-37, 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): Wright, F.E., and Wright, C.W., 1905, Economic developments in southeastern Alaska: U.S. Geological Survey Bulletin 259, p. 47-68.

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): 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): 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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