Nyac Area

Producer in Alaska, United States with commodities Gold, Mercury, Graphite, Asbestos

Geologic information

Identification information

Deposit ID 10106581
MRDS ID A010739
Record type Site
Current site name Nyac Area
Alternate or previous names Includes: Bear, California, Bonanza Creeks & Tuluksac River

Geographic coordinates

Geographic coordinates: -159.93616, 61.00765 (WGS84)
Relative position AT SOUTHERN TIP OF KILBUCK MTNS.
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Geographic areas

Country State
United States Alaska

Comments on the location information

  • A PRODUCTIVE PLACER AREA OF APPROXIMATELY 60 SQ MI.; TRIBUTANES OF TULUKSAK & BEAR CREEK; AREA OF INTEREST N & NE OF GIVEN LOCATION LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991). ; INFO FROM LAND.ST :49?

Commodities

Commodity Importance
Gold Primary
Mercury Secondary
Graphite Tertiary
Asbestos Tertiary

Comments on the commodity information

  • ASBESTOS, GRAPHITE FOUND IN DREDGE AT TULUKSAK RIVER

Materials information

Materials Type of material
Cinnabar Ore
Gold Ore

Host and associated rocks

  • Host or associated Host
    Rock type Unconsolidated Deposit > Gravel

Nearby scientific data

(1) -159.93616, 61.00765

Comments on the geologic information

  • MAJOR.UNITS: JURASSIC ANDESITE, CRETACEOUGRANITIC PLUTONS; HORNFELSIC ROCKS ; REG.COM: NOT KNOWN

Economic information

Economic information about the deposit and operations

Development status Producer
Commodity type Both metallic and non-metallic
Deposit size Small
Significant No
Discovery year 1909
Discovery method Ore-Mineral Not In Place
Year of first production 1909

Mining district

District name Aniak District

Comments on the production information

  • PROBABLY IN EXCESS OF 5000 OUNCES OF GOLD PRODUCED IN AREA

Comments on the workings information

  • DREDGING MOST COMMON RECOVERY METHOD USED

Comments on development

  • WORKED CONTINUSLY 1909 TO PRESENT; 1982 OPERATED FOR ENTIRE SEASON; NO OPERATIONS 1983, DUE TO DELAY IN OBTAINING PERMITS FROM ARMY CORPS OF ENGINEERS

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A010739

Bibliographic references

  • Deposit

    USGS B1374, P. 42

  • Deposit

    USGS OFR, P.

General comments

Subject category Comment text
Deposit MUCH CINNABAR INDREDGE CONCENTRATES AT BEAR & BONANZA CREEKS
Deposit ACTIVE EXPLORATION & PRODUCTION PRESENTLY IN PROGRESS ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1984 Garrison, Michael T. (Elliott, R. L.) U.S. Geological Survey