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  3. Mineral Resource Data System (MRDS)

Ophir Area

Past Producer in Alaska, United States with commodities Gold, Tungsten
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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 10100951
MRDS ID A010751
Record type Site
Current site name Ophir Area
Alternate or previous names Ganes Creek, Spruce Creek, Little Creek

Geographic coordinates

Geographic coordinates: -156.51686, 63.13833 (WGS84)

Site location context

Political divisions (FIPS codes)

Yukon-Koyukuk(Census area)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Ophir A-2(quadrangle 1:63,360 scale)

Ophir SE(quadrangle 1:100,000 scale)

Ophir(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Alaska(hydrologic region)

Geographic areas

Country State
United States Alaska

Comments on the location information

  • A PRODUCTIVE PLACER AREA OF APPROXIMATELY 80 SQ MI. SOUTH OF GIVEN LOCATION LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991).; PREVIOUS QUAD DESIGNATION = OPHIR (1954) 1:250000

Commodities

Commodity Importance
Gold Primary
Tungsten Critical Tertiary

Materials information

Materials Type of material
Gold Ore
Scheelite Ore

Host and associated rocks

  • Host or associated Host
    Rock type Unconsolidated Deposit > Gravel

Nearby scientific data

(1) -156.51686, 63.13833
ListMap

Economic information

Comments on the geologic information

  • MAJOR.UNITS: SLATE

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of first production 1907
Year of last production 1964

Mining district

District name Innoko District

Comments on the production information

  • PERHAPS AS MUCH AS 300,000-400,000 TOZ AU PRODUCED.

Reference information

Bibliographic references

  • Deposit

    USGS B1374, P. 149, 151

  • Deposit

    USGS OFR 76-576, P. 71-72, 77-78, 80-81

General comments

Subject category Comment text
Deposit STREAM BEDS AND BENCHES MERGE LATERALY. MUCH GOLD IN CREVICES OF BEDROCK, SO THIS WAS STRIPPED AND MINED AS WELL

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1984 Hirschmann, M. M. (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.