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  3. Mineral Resource Data System (MRDS)

Nyac Area

Producer in Alaska, United States with commodities Gold, Mercury, Graphite, Asbestos
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Host and associated rocks
  8. Nearby scientific data
  9. Economic information about the deposit and operations
  10. Mining district
  11. Links to other databases
  12. Bibliographic references
  13. General comments
  14. Reporter information

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.

Site location context

Political divisions (FIPS codes)

Bethel(Census area)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Russian Mission A-3(quadrangle 1:63,360 scale)

Russian Mission SE(quadrangle 1:100,000 scale)

Russian Mission(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Kuskokwim Delta(hydrologic unit)

Lower Kuskokwim River(hydrologic accounting unit)

Southwest(hydrologic subregion)

Alaska(hydrologic region)

Federal lands

Calista Corporation(ANCSA Region)

ANCSA Region NTVPIC(Type of land area)

NTVPIC(Federal land areas administered by NTVPIC)

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 Critical 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
ListMap

Economic information

Comments on the geologic information

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

Economic information about the deposit and operations

Development status Producer
Commodity type Both
Deposit size Small
Significant No
Discovery year 1909
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

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

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

Maps centered on this site

Authoritative Alaska resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.