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  3. Mineral Resource Data System (MRDS)

Pioneer Prospect

Occurrence in Alaska, United States with commodities Copper, 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. Links to other databases
  12. Bibliographic references
  13. General comments
  14. Reporter information

Geologic information

Identification information

Deposit ID 10001100
MRDS ID A011786
Record type Site
Current site name Pioneer Prospect
Alternate or previous names Eastern Star, Rainbow

Geographic coordinates

Geographic coordinates: -145.98579, 63.31327 (WGS84)

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 B-4(quadrangle 1:63,360 scale)

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

Mount Hayes C(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Alaska(hydrologic region)

Geographic areas

Country State
United States Alaska

Comments on the location information

  • BEST LOCATION: ADGGS GR 14, FIGURE 2, LOC. 5 LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991). ; INFO FROM LAND.ST :49?

Commodities

Commodity Importance
Copper Primary
Gold Secondary
Silver Secondary

Materials information

Materials Type of material
Chalcopyrite Ore

Analytical data

Result 1.0% CU, 0.01 OZ/TON AU, 0.22 OZ/TON AG, ADGGS GR 14, P.27

Host and associated rocks

  • Host or associated Associated
    Rock type Metamorphic Rock > Serpentinite
  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Gabbro

Nearby scientific data

(1) -145.98579, 63.31327
ListMap

Economic information

Comments on the geologic information

  • COUNTRY ROCK COMPOSED OF ALBITIZED AND SAVSSURITIZED PLAGIOCLASE AND ACTINOLITE. GABBRO INTRUDED INTO AMPHIBOLITIC SERPENTINITE.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Delta River

Comments on the workings information

  • EXPLORED BY SEVERAL PITS

Comments on development

  • MAY HAVE BEEN DRILLED IN 1974, SEE ADGGS GR 46, P. 31

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit SHEAR ZONE IN GABBRO MINERALIZED WITH DISSEMINATED GRAINS OF CHALCOPYRITE LESS THAN 1 MM IN DIAMETER

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1985 Leonard, Kenneth R. (Elliott, R. L.) U.S. Geological Survey
Editor 14-APR-1994 Mosier, Dan 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.