Johnson

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

Geologic information

Identification information

Deposit ID 10000354
MRDS ID A010418
Record type Site
Current site name Johnson
Related records 10233796

Geographic coordinates

Geographic coordinates: -149.56453, 60.62981 (WGS84)
Location accuracy 500(meters)
(click for info)

Geographic areas

Country State
United States Alaska

Comments on the location information

  • DEPOSIT NUMBER IS THE MAP LOCATION NUMBER FROM MF-880A. 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 Primary

Materials information

Materials Type of material
Gold Ore
Silver Ore
Calcite Gangue
Pyrite Gangue
Quartz Gangue

Analytical data

Result ONE SAMPLE ACROSS 4.5 FT GAVE 0.03 OZ/TON AU, 0.1 OZ/TON AG

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock
    Rock unit name Valdez Group
    Rock description Valdez Group

Nearby scientific data

(1) -149.56453, 60.62981

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 Hope District

Land status

Ownership category National Forest

Comments on the production information

  • UNSPECIFIED BUT SMALL AMOUNT OF GOLD PRODUCED

Comments on the workings information

  • ON TUNNEL AND OPEN CUTS

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A010418

Bibliographic references

  • Deposit

    USGS BULLETIN 849-I, P. 510-511

  • Deposit

    USGS MISCELLANEOUS FIELD STUDIES 880-A, LOCATION 50

  • Deposit

    USGS OPEN FILE 80-621, P. 120

General comments

Subject category Comment text
Deposit CONTINUATION OF GILPATRICK DIKE HAS MINERALS IN QUARTZ VEINLETS THOUGH IN LESSER CONCENTRATION THAN AT GILPATRICK SITE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-1984 Hirschmann, M. M. (Elliott, R. L.) U.S. Geological Survey