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  3. Mineral Resource Data System (MRDS)

Ryan Mine

Prospect in Alaska, United States with commodities Gold, Antimony, Arsenic
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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 10000492
MRDS ID A010676
Record type Site
Current site name Ryan Mine
Alternate or previous names Ryan Lode

Geographic coordinates

Geographic coordinates: -147.98628, 64.86355 (WGS84)

Site location context

Political divisions (FIPS codes)

Fairbanks North Star(Borough)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Fairbanks D-2(quadrangle 1:63,360 scale)

Big Delta NW(quadrangle 1:100,000 scale)

Fairbanks(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Alaska(hydrologic region)

Geographic areas

Country State
United States Alaska

Comments on the location information

  • ON ESTER DOME LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991).

Commodities

Commodity Importance
Gold Primary
Antimony Critical Secondary
Arsenic Critical Tertiary

Materials information

Materials Type of material
Gold Ore
Stibnite Ore
Quartz Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Schist

Nearby scientific data

(1) -147.98628, 64.86355
ListMap

Economic information

Economic information about the deposit and operations

Development status Prospect
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1911

Mining district

District name Fairbanks District

Comments on the production information

  • SMALL PRODUCTION DESPITE TO YEARS OF EXPLORATION & DEVELOPMENT WORK

Comments on the reserve resource information

  • CONSIDERABLE TONNAGE OF LOW GRADE MATERIAL AND FEW TENS OF THOUSANDS OF TONS OF ORE WITH ABOUT 1/2 OZ AU/TON (USGS B 849-B)

Comments on the workings information

  • FEW 1000 FT OF TRENCHES. FEW 1000 FT UNDERGROUND WORKINGS

Comments on development

  • SEVENTY YEARS OF EXPLORATION & DEVELOPMENT WITH LITTLE PRODUCTION. SUBSTANTIAL RECENT (1970'S AND EARLY 1980'S) ACTIVITY BY ST. JOE MINERALS

Reference information

Bibliographic references

  • Deposit

    USGS OFR 76-662, P. 126-127

  • Deposit

    USGS B849-B, P. 135-138

  • Deposit

    USBM OFR 23-72

  • Deposit

    ALASKA CONSTRUCTION & OIL, JANUARY 1984, P. 50

General comments

Subject category Comment text
Deposit DEPOSIT IS QUARTZ VEINS AND FAULT ZONE OF CRUSHED SCHIST AND QUARTZ VEINS 40-70 FT WIDE (WHICH IS HANGING WALL OF MAJOR SHEAR ZONE 750-1500 FT WIDE.
Deposit RECENTLY EXPLORED OVER SEVERAL YEARS BY ST JOE MINERALS. ACTIVITY DOWN AFTER A REPORTEDLY UNSUCCESSFUL ATTEMPT (1981?) TO DRIVE A DECLINE TO INTERSECT MINERALIZED ZONE. ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-84 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.