Anikovik River Beach

The Anikovik River Beach is a gold and tin 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: Anikovik River Beach

Commodity

Primary: Gold
Primary: Tin

Location

State: Alaska
District: Port Clarence

Land Status

Not available

Holdings

Not available

Workings

Not available

Ownership

Not available

Production

Not available

Deposit

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

Physiography

Not available

Mineral Deposit Model

Model Name: Placer Au-PGE
Model Name: Shoreline placer Ti

Orebody

Not available

Structure

Not available

Alterations

Not available

Rocks

Not available

Analytical Data

Not available

Materials

Ore: Cassiterite
Ore: Gold

Comments

Comment (Deposit): Model Name = Alluvial and beach(?) Au-Sn placer (Cox and Singer, 1986; models 39a and 39c)

Comment (Deposit): Model Number = 39a, 39c

Comment (Exploration): Status = Inactive

Comment (Production): Production Notes = Mulligan (1959, p. 5) reports that a small dredge worked in this area for 123 days during the 1914 and 1915 seasons. This dredge processed 156,000 cubic yards of gravel and recovered 1,217 ounces of gold and 1,600 pounds of concentrate containing 31% tin.

Comment (Reference): Primary Reference = Mulligan, 1959 (USBM RI 5520)

Comment (Workings): Workings / Exploration = Mulligan (1959, p. 5) reports that a small dredge worked in this area for 123 days during the 1914 and 1915 seasons. This dredge processed 156,000 cubic yards of gravel and recovered 1,217 onces of crude gold and 1,600 pounds of concentrate containing 31% tin. Two USBM churn-drill holes were later completed in this area (Mulligan, 1959).

Comment (Geology): Geologic Description = Anikovik River's eastern tributaries have headwaters in Ordovician limestone of the York Mountains (Sinsbury, 1972) whereas the main drainage and western tributaries are in areas underlain by a thin-bedded, slaty metapelitic and metasandstone sequence of unknown but probable Paleozoic age locally intruded by altered mafic bodies . This locality is in the lower part of the river within 0.25 miles of the Bering Sea. The geomorphic character of this area suggests that at least some alluvial deposits of the Anikovik River have been reworked by shoreline processes but available descriptions are insufficient to evaluate this possibility. The two USBM churn-drill holes here (Mulligan, 1959), encountered only 3 and 4 feet of gravel and appear to have been in alluvial materials. A trace of tin was found in the heavy mineral concentrates from these churn-drill holes but the identified minerals only included pyrite, limonite pseudomorphs after pyrite, augite, ilmenite, magnetite, ankerite, and zircon (Mulligan, 1959, p. 19). Mulligan (1959, p. 5) reports that a small dredge worked in this area for 123 days during the 1914 and 1915 seasons. This dredge processed 156,000 cubic yards of gravel and recovered 1,217 ounces of gold and 1,600 pounds of concentrate containing 31% tin.

Comment (Geology): Age = Quaternary

References

Reference (Deposit): Cobb, E.H., 1975, Summary of references to mineral occurrences (other than mineral fuels and construction materials) in the Teller quadrangle, Alaska: U.S. Geological Survey Open-File Report 75-587, 130 p.

Reference (Deposit): Sainsbury, C.L., 1972, Geologic map of the Teller quadrangle, Seward Peninsula, Alaska: U.S. Geological Survey Map I-685, 4 p., 1 sheet, scale 1:250,000.

Reference (Deposit): Cobb, E.H., and Sainsbury, C.L., 1972, Metallic mineral resource map of the Teller quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-426, 1 sheet, scale 1:250,000.

Reference (Deposit): Mulligan, J.J., 1959, Sampling stream gravels for tin, near York, Seward Peninsula, Alaska: U.S. Bureau of Mines Report of Investigations 5520, 25 p.

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