Smith and Heid Prospect

Occurrence in Alaska, United States with commodity Gold

Geologic information

Identification information

Deposit ID 10094016
MRDS ID A012011
Record type Site
Current site name Smith and Heid Prospect
Alternate or previous names Ashby-Torro
Related records 10112955

Geographic coordinates

Geographic coordinates: -134.66897, 58.47892 (WGS84)
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Geographic areas

Country State
United States Alaska

Comments on the location information

  • USGS BULL 502, PLATE 2, LOC. 17 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

Materials information

Materials Type of material
Pyrite Gangue
Quartz Gangue

Analytical data

Result HIGH GRADE SAMPLE ASSAYED 1.6% AS, 22 PPM AU, 2 PPM AG AND TRACE SB, USGS OFR 85-717, NO. J133

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Siltstone
    Rock unit name Treadwell Slate
    Rock description Treadwell Slate
    Stratigraphic age (youngest) Late Cretaceous

Nearby scientific data

(1) -134.66897, 58.47892

Comments on the geologic information

  • COUNTRY ROCK CONTAINS LOCALLY DISSEMINATED PYRITE AND ARSENOPYRITE; CHLORITE SCHIST, GRAYWACKE, SLATE AND GREENSTONE UNDERLIE GENERAL AREA

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1893

Mining district

District name Juneau/Eagle River

Land status

Ownership category State

Workings at the site

  • Type of workings Underground
    Length 152.4M

Comments on the workings information

  • 500 FT OF UNDERGROUND WORKINGS IN TWO TUNNELS; ORE WAS TREATED IN ARRASTRE; WORKINGS CAVED; 4 UNPATENTED LODE CLAIMS

Comments on development

  • LOCATED 1893; PROBABLY NO MORE THAN ASSESSMENT WORK AFTER 1898; MAY HAVE BEEN A SMALL AMOUNT OF PRODUCTION

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A012011

Bibliographic references

  • Deposit

    USGS BULL 284, P. 36

  • Deposit

    USGS BULL 502, P. 55

  • Deposit

    USGS GQ-100

  • Deposit

    USGS OFR 84-572, P. 168, NO. 65

  • Deposit

    USGS OFR 85-717, P. 146

  • Other Database

    BAG-OFR-85-717-133

General comments

Subject category Comment text
Deposit QUARTZ VEIN AND CHLORITE SCHIST CONTAIN AURIFEROUS ARSENOPYRITE; AU IRREGULARLY DISTRIBUTED; SOME VISIBLE GOLD; PART OF DISCONTINUOUS NW TRENDING ZONE OF QUARTZ STRINGERS/LENSES USUALLY LESS THAN 1 FT WIDE
Deposit SEE ALSO: WINDFALL CREEK ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-1985 Leonard, Kenneth R. (Elliott, R. L.) U.S. Geological Survey