Kizhuyak Lode, Mid

The Kizhuyak Lode, Mid is a copper, gold, and silver 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: Kizhuyak Lode, Mid

Commodity

Primary: Copper
Primary: Gold
Primary: Silver

Location

State: Alaska
District: Kodiak

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, Chugach-type

Orebody

Not available

Structure

Not available

Alterations

Alteration Type: L
Alteration Text: Some Quartz Rusty

Rocks

Not available

Analytical Data

Not available

Materials

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

Comments

Comment (Deposit): Model Name = Chugach-type low-sulfide gold-quartz vein (Bliss, 1992; model 36a.1).

Comment (Geology): Age = Tertiary

Comment (Exploration): Status = Inactive

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

Comment (Geology): Geologic Description = This prospect, first staked in 1903 or 1904, is the northern extension of Kizhuyak Lode, south (KD018). The showings had been worked on and off by several persons up to the time of Capps' visit in 1934 (Capps, 1937) and Roehm's visit in 1936 (Roehm, 1936, PE 131-1). The quartz vein cuts granodiorite, strikes north-south to N.15 E., and dips steeply to the west. The vein is 3 to 5 feet in thickness and in most places is only slightly mineralized; however, local bands of nearly massive sulfides do occur, in some places up to 4 feet in thickness. The sulfides consist of arsenopyrite, pyrite, pyrrhotite, and traces of chalcopyrite. Roehm (1936, PE 131-1) also mentions sphalerite and stibnite, apparently present in only minor amounts. Disseminated pyrrhotite is present in the wallrock adjacent to the vein. ? A dump sample collected by Rose and Richter assayed 0.16 ounce per ton gold, 1.00 ounce per ton silver, trace copper, and 5.5 percent arsenic. A grab sample collected by Capps ran 0.14 ounce per ton gold, and 0.74 ounce per ton silver. Roehm collected 2 samples here and reported 0.02 to 0.48 ounce per ton gold and 0.10 to 1.00 ounce per ton silver. Roehm also collected a sample of the lode on the small islet just to the south and reported 0.30 ounce per ton gold and 0.40 ounce per ton silver.

Comment (Workings): Workings / Exploration = At the time of Capps' and Roehm's visits (1934 and 1936) this prospect was developed by a 33-foot adit driven northward from the beach and an open cut located about 500 feet northeast of the adit. Several tons of sulfide ore were stacked at the portal to the adit in 1934 but there is no record of any production. Sampling by Capps, Rose and Richter, and Roehm reported 0.02 to 0.48 ounce per ton gold and 0.10 to 1.00 ounce per ton silver.

Comment (Reference): Primary Reference = Capps, 1937

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): 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): 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: Alaska Division of Mines and Minerals Geologic Report 31, 10 p., 1 sheet, scale 1:63,360.

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): 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): Berg, H.C., and Cobb, E.H., 1967, Metalliferous Lode Deposits of Alaska. U.S. Geological Survey Bulletin 1246, 254 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): Roehm, J.C., 1936, Preliminary report of Kizhuyak Group, Kodiak Mining District, Kodiak Island, Alaska: Alaska Territorial Department of Mines Prospect Evaluation 131-1, 3 p. 1 map sheet, scale 1 inch=3300 feet.

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.

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