1. Mineral Resources
  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Downing Mine

Past Producer in Alaska, United States with commodities Copper, Gold, Lead, Zinc
Map
XML
JSON
KML
C
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Public Land Survey System information
  6. Commodities
  7. Materials information
  8. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Mineral rights holdings
  12. Land status
  13. Ownership information
  14. Production statistics
  15. Links to other databases
  16. Bibliographic references
  17. Reporter information

Geologic information

Identification information

Deposit ID 10282657
MRDS ID A002871
MAS/MILS ID 0020950289
Record type Site
Current site name Downing Mine
Alternate or previous names Hershey, Francisco, Slow Poke, Bonanza, Whistler

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -149.51871, 60.82123 (WGS84)
Elevation 762
Location accuracy 100(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 D-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

Public Land Survey System information

Meridian Township Range Section Fraction State
Seward 009 N 001 W 31 SESWSE Alaska

Commodities

Commodity Importance
Copper Primary
Gold Tertiary
Lead Tertiary
Zinc Critical Tertiary

Materials information

Materials Type of material
Arsenopyrite Unknown
Galena Unknown
Gold Unknown
Pyrite Unknown
Sphalerite Unknown

Nearby scientific data

Main Entrance (1) -149.51871, 60.82123
ListMap

Economic information

Ore body information

  • Strike N70W
    Dip 00E
    Field Value
    MAS Matrix # 1
    MAS Column # 1
    Type of Orebody #1 FISSURE VEIN
    Shape of Orebody #1 LENTICULAR
    Primary mode of Origin HYDROTHERMAL
    Primary Ore Control FAULTING
    Secondary Ore Control FOLDING
    Degree of Wallrock Alter. NONE
    Type of Wallrock Alter. #1 UNKNOWN
    Strike And Dip N70W:00E
    Date of Last Modification 880427

Economic information about the deposit and operations

Operation type Surface-Underground
Development status Past Producer
Commodity type Metallic
Significant No

Mineral rights holdings

Type of mineral rights Located Claim

Land status

Ownership category National Forest

Ownership information

  • Type Owner
    Owner F. S. Pettyjohn
    Interest 100
    Home office Alaska
    Year 1979

Production statistics

  • Year 1980
    Description Total Reported Production 150 Oz. Au
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 4665.52g

Comments on the workings information

  • Workings include a 16.8 m. long adit at the 701 m. elevation and a 11 m. long adit at the 762 m. elevation. Open cuts are located at the 671, 701, and 786 m. elevation. TOTAL REPORTED PRODUCTION: 150 oz. Au.

Reference information

Bibliographic references

Reporter information

Type Date Name Affiliation Comment
Reporter 18-MAY-1988 Dwb U.S. Bureau of Mines

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.