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  3. Mineral Resource Data System (MRDS)

Johnson

Past Producer in Alaska, United States with commodities Gold, Silver
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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. Land status
  12. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

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)

Site location context

Political divisions (FIPS codes)

Kenai Peninsula(Borough)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Seward C-7(quadrangle 1:63,360 scale)

Seward NW(quadrangle 1:100,000 scale)

Seward(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Kenai Peninsula(hydrologic unit)

Kenai Peninsula(hydrologic accounting unit)

South Central Alaska(hydrologic subregion)

Alaska(hydrologic region)

Federal lands

Chugach National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

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
ListMap

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

Bibliographic references

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

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

External references

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.