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  3. Mineral Resource Data System (MRDS)

Ryan Mine

Past Producer in Alaska, United States with commodities Gold, Antimony
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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 10002808
MRDS ID A015279
Record type Site
Current site name Ryan Mine
Related records 10185318

Geographic coordinates

Geographic coordinates: -147.98906, 64.86772 (WGS84)
Relative position 7.5 MILES WEST OF FAIRBANKS

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

  • USGS MF-410, LOC. 18. DEPOSIT ON RIDGE BETWEEN EVA AND ST. PATRICK CREEKS ON THE SE SIDE OF ESTER DOME. MINE MARKED ALONG ESTER DOME RD. ON FAIRBANKS (D-2). 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 Tertiary

Materials information

Materials Type of material
Gold Ore
Stibnite Ore

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Schist

Nearby scientific data

(1) -147.98906, 64.86772
ListMap

Economic information

Comments on the geologic information

  • FAULT ZONE OF CRUSHED SCHIST AND QUARTZ VEINS IS HANGING WALL OF MAJOR SHEAR ZONE 750-1,500 FT. WIDE. FAULT MOVEMENT WAS MAINLY POST MINERALIZATION.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Fairbanks

Comments on the workings information

  • IN 1916-17 ABOUT 500 FT. OF SHAFT AND WINZE AND 970 FT. OF DRIFTS AND CROSSCUTS; THROUGH SAMPLING. ADDITIONAL EXPLORATION AND DEVELOPMENT, 1917-30, INCLUDED A 65 FT. SHAFT AND A CROSSCUT. 1938-42 SAW MORE THAN 1,500 FT. OF SHAFTS, 2,000 FT. OF DRIFTS, ADITS, AND CROSSCUTS, AND MORE THAN 2,800 FT. OF TRENCHES. MINOR TRENCHING AND DRILLING, 1954-58.

Comments on development

  • CLAIMS PATENTED IN 1914. EXTENSIVE UNDERGROUND WORKINGS (NEARLY A MILE) AND TRENCHING, BUT NOT MUCH ORE MINED AND MILLED.

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit USBM DRILLING PROGRAM IN 1969-70 WAS A PILOT STUDY TO COMPARE ROTARY DRILLING AND BULLDOZER TRENCHING FROM COST AND ENVIRONMENTAL DAMAGE POINTS OF VIEW AND WAS NOT INTENDED TO RESULT IN NEW KNOWLEDGE ABOUT THE DEPOSIT. ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT
Deposit MINERALIZED FAULT ZONE CONTAINS SHEARED SCHIST AND QUARTZ VEINS IN A LODE 40-70 FT. WIDE. METALIC MINERALS ARE GOLD, ARSENOPYRITE, AND STIBNITE. MOST OF METAL CONTENT IS IN ZONE OF QUARTZ 9-20 FT WIDE NEAR THE HANGING WALL SIDE OF LODE. LENSES OF STIBNITE HAVE BEEN FOUND.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-1987 Powers, M.T. (Huber, D.F.) 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.