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  3. Mineral Resource Data System (MRDS)

Ptarmigan Creek Prospects

Occurrence in Alaska, United States with commodities Molybdenum, Gold
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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 10001133
MRDS ID A011823
Record type Site
Current site name Ptarmigan Creek Prospects

Geographic coordinates

Geographic coordinates: -146.53058, 63.80522 (WGS84)
Location accuracy 2000(meters)

Site location context

Political divisions (FIPS codes)

Southeast Fairbanks(Census area)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Mount Hayes D-6(quadrangle 1:63,360 scale)

Mount Hayes NW(quadrangle 1:100,000 scale)

Mount Hayes(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Alaska(hydrologic region)

Federal lands

Fort Wainwright(Army Base)

Army Base ARMY(Type of land area)

ARMY(Federal land areas administered by ARMY)

Geographic areas

Country State
United States Alaska

Comments on the location information

  • LOCATION APPROXIMATED FROM USGS OFR 79-238, FIG. 3, LOC. 1; CLAIMS AND DEVELOPMENTS EXTEND FOR ABOUT A MILE ALONG CREEK LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991).

Commodities

Commodity Importance
Molybdenum Primary
Gold Tertiary

Materials information

Materials Type of material
Molybdenite Ore

Analytical data

Result 1.71% MO, 2.71% MO IN SELECTED SAMPLES, USGS BULL 926-C, P. 194-195

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite

Nearby scientific data

(1) -146.53058, 63.80522
ListMap

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1914

Mining district

District name Delta River

Land status

Ownership category State

Comments on the workings information

  • EXPLORED BY AT LEAST 4 ADITS; ONE 106 FT LONG AND OTHERS 24 TO 34 FT

Comments on development

  • DISCOVERED 1914; DEVELOPMENT WORK 1914-1918, 1937-1940; SOME MATERIAL MINED INCIDENTAL TO PROSPECTING, BUT NOT SHIPPED

Reference information

Bibliographic references

  • Deposit

    USGS BULL 712, P. 24, 44

  • Deposit

    USGS BULL 926-C, P. 194-195

  • Deposit

    ALASKA TERRITORIAL DEPARTMENT OF MINES, PAMPHLET 1, P. 28

  • Deposit

    USGS OFR 77-169 A, P. 37, LOC. 1

General comments

Subject category Comment text
Deposit ZONE 800 TO 900 FT WIDE CONTAINS MOLYBDENITE IN QUARTZ VEINS AND SMALL STOCKWORKS IN GRANODIORITE
Deposit NO COMMERCIAL ORE ENCOUNTERED; FAIRLY WELL PROSPECTED ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-85 Leonard, Kenneth R. (Elliott, R. L.) U.S. Geological Survey

Beyond USGS

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

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.