Thompson-Ford Mine

Past Producer in Alaska, United States with commodities Gold, Copper, Lead, Zinc

Geologic information

Identification information

Deposit ID 10000810
MRDS ID A011460
Record type Site
Current site name Thompson-Ford Mine
Alternate or previous names Owl
Related records 10161530

Geographic coordinates

Geographic coordinates: -146.53228, 61.1471 (WGS84)
(click for info)

Geographic areas

Country State
United States Alaska

Comments on the location information

  • BEST LOCATION: PICKTHORN, WILLIAM, 1982, STABLE ISOTOPE AND FLUID INCLUSION STUDY OF THE PORT VALDEZ GOLD DISTRICT, U. C. L. A. MASTER'S THESIS, SAMPLE LOCATION MAP, SHEET 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
Copper Tertiary
Lead Tertiary
Zinc Tertiary

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore
Gold Ore
Sphalerite Ore
Calcite Gangue
Chlorite Gangue
Limonite Gangue
Malachite Gangue
Pyrite Gangue
Quartz Gangue

Analytical data

Result 4 SAMPLES FROM THOMPSON-FORD MINE, QUARTZ VEINS SHOWED THE FOLLOWING RANGES: AG: NOT DETECTED TO 0.5 PPM, AU: NOT DETECTED TO 0.30 PPM, CU: 7 PPM TO 100 PPM, PB: 10 PPM TO 95 PPM, ZN: NOT DETECTED TO 30 PPM, SAMPLES 79BS032, -A, -B AND -C, PICKTHORN, 1982 M. S. THESIS

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Siltstone
    Rock unit name Valdez Group
    Rock description Valdez Group;Valdez Group

Nearby scientific data

(1) -146.53228, 61.1471

Ore body information

  • Name of the ore body THOMPSON FORD MINE
    General form TABULAR
    Strike N35 TO 60W}NW
    Dip }30 E
    Width 0.2M
  • Name of the ore body OWL CLAIM
    General form TABULAR
    Dip }30 E
    Width 0.46M

Comments on the geologic information

  • SCHISTOSITY OF COUNTRY ROCK: STRIKE N 75 TO 85 E, DIP 55 TO 75 N

Economic information

Economic information about the deposit and operations

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

Mining district

District name Port Valdez

Land status

Ownership category State

Comments on the production information

  • ORE SHIPMENT FROM THOMPSON-FORD MINE TO TACOMA SMELTER IN 1913; NO DATA ON AMOUNT OF PRODUCTION

Workings at the site

  • Type of workings Underground
    Name of workings OWL CLAIM
    Length 57.91M
  • Type of workings Underground
    Name of workings THOMPSON-FORD CLAIMS
    Length 224.03M

Comments on the workings information

  • THOMPSON-FORD CLAIMS: ABOUT 735 FT OF UNDERGROUND WORKINGS WERE COMPLETED BY 1914 IN TWO TUNNELS; OWL CLAIM: 190 FT OF WORKINGS BY 1914

Comments on development

  • WORKED BETWEEN 1911 TO 1916; ORE SHIPMENT TO TACOMA SMELTER IN 1913 FROM THOMPSON-FORD MINE; OWL PROPERTY RESTAKED IN 1914 AS OREGON AND WASHINGTON CLAIMS

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A011460

Bibliographic references

  • Deposit

    USGS BULL 520, P. 125

  • Deposit

    USGS BULL 622, P. 177, 180-181

  • Deposit

    USGS MF-438, LOC. 19

  • Deposit

    USGS OFR 80-892B, LOC. 16

  • Deposit

    PICKTHORN, WILLIAM, 1982, STABLE ISOTOPE AND FLUID INCLUSION STUDY OF THE PORT VALDEZ GOLD DISTRICT, SOUTHERN ALASKA: LOS ANGELES, CA, U. C. L. A. M. S. THESIS, 66 P.

  • Other Database

    BAG-OFR-80-892B-16

General comments

Subject category Comment text
Deposit SEE ALSO: CLIFF MINE ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT
Deposit THOMPSON FORD MINE: QUARTZ VEIN AVERAGING 8 IN WIDE CARRIES PYRITE, GALENA AND FREE GOLD, STRIKES N 35 TO 60 W WITH NEAR VERTICAL DIP; OWL CLAIM: SHEAR ZONE STRIKES NW, DIPS 30 E, CONTAINS STRINGERS AND LENSES OF QUARTZ UP TO 18 IN WIDE CARRYING PYRITE, CHALCOPYRITE GALENA AND SPHALERITE

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1985 Leonard, Kenneth R. (Elliott, R. L.) U.S. Geological Survey
Editor 14-APR-1994 Mosier, Dan U.S. Geological Survey PARSED OUT HOST ROCK AND ASSOCIATED ROCK TYPES, AGES, UNIT NAMES, AND UNIT AGES.
Editor 14-APR-1995 Waller, Nichelle (Mosier, Dan) U.S. Geological Survey PUT DIMENSION DATA INTO THE ORE BODY FIELDS FROM THE DEPOSIT COMMENTS FIELD.