Rough and Tough Mine

Past Producer in Alaska, United States with commodities Gold, Silver

Geologic information

Identification information

Deposit ID 10000797
MRDS ID A011442
Record type Site
Current site name Rough and Tough Mine
Alternate or previous names Reeve and Thompson, Ruff and Tuff
Related records 10185840

Geographic coordinates

Geographic coordinates: -146.78118, 61.20792 (WGS84)
Relative position S SIDE OF NUNATAK IN COLUMBIA GLACIER
(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, S.AK: LOS ANGELES, CA.UCLA M.S. THESIS, SHEET 1 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
Silver Secondary

Comments on the commodity information

  • MINERAL ASSEMBLAGE COMMON TO QUARTZ VEINS OF THE DISTRICT: FREE AU, PYRITE AND/OR PYRRHOTITE, CHALCOPYRITE, SPHALERITE, GALENA

Materials information

Materials Type of material
Pyrite Gangue
Quartz Gangue

Analytical data

Result SEMIQUANTITATIVE SPECTROGRAPHIC DATA: 2.0 PPMAG, 7.0PPM CU, LESS THAN 10 PPM PB, 300 PPM ZN
Result ATOMIC ABSORPTION DATA ON SAME SAMPLE: 9.0PPMAU, 10 PPM CU, 15 PPM PB, 160 PPM ZN, PICKTHORN, 1982, ULCA M.S. THESIS, SAMPLE 79 PW007B, MINERALIZED QUARTZ VEIN

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Stratigraphic age (youngest) Pliocene
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Siltstone
    Rock unit name Valdez Group
    Rock description Valdez Group;

Nearby scientific data

(1) -146.78118, 61.20792

Ore body information

  • Width 17.07M
    Length 141.73M

Comments on the geologic information

  • SMALL QUARTZ DIORITE INTRUSIVE, EXPOSED DIMENSIONS: 465 FT BY 56 FT, INTRUDES GRAYWACKE OF CRETACEOUS VALDEZ GROUP

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 National Forest

Comments on the production information

  • HAS BEEN MINOR PRODUCTION

Workings at the site

  • Type of workings Surface/Underground
    Name of workings TUNNEL
    Length 27.43M

Comments on the workings information

  • 1937 WORKINGS WERE 90 FT TUNNEL AND AN OPEN CUT, PRESENT CONDITION UNKNOWN

Comments on development

  • SEVERAL TONS OF ORE RECOVERED FROM OPEN CUTS IN 1935; UNDERGROUND DEVELOPMENT 1935-1937; NO OTHER DATA; NO APPARENT POST 1950 ACTIVITY

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A011442

Bibliographic references

  • Deposit

    USGS BULL 880-A, P.25

  • Deposit

    USGS BULL 910-A, P. 27

  • Deposit

    USGS MF-438, LOC.1

  • Deposit

    PICKTHORN, WILLIAM 1982, STABLE ISOTOPE AND FLUID INCLUSION STUDY OF THE PORT VALDEZ GOLD DISTRICT, S. AK: LOS ANGELES, CA, UCLA MASTERS THESIS, P. 34, 37, SHEET 1

  • Deposit

    USGS OFR 80-892B, LOC.1

  • Other Database

    BAG-OFR-80-892B-01

General comments

Subject category Comment text
Deposit QUARTZ FILLED GASHES IN QUARTZ DIORITE AND SURROUNDING HORNFELSED GRAYWACKE OF VALDEZ GROUP; CONTAIN" IRON SULFIDES COMMONLY FOUND IN THE DISTRICT," AU AND AG
Deposit ROUGH AND TOUGH DIFFERS FROM OTHER DEPOSITS OF PORT VALDEZ; ONLY DEPOSIT THAT IS HOSTED IN INTRUSIVE ROCK ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT

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.
Editor 14-APR-1995 Waller, Nichelle (Mosier, Dan) U.S. Geological Survey PUT DIMENSION DATA INTO THE WORKINGS FIELDS FROM THE COMMENTS FIELD.