Pioneer Prospect

Occurrence in Alaska, United States with commodities Copper, Gold, Silver

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)
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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

Comments on the geologic information

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

Economic information

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

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A011786

Bibliographic references

  • Deposit

    ADGGS GR 14, P. 27, 32, LOC. 5

  • Deposit

    USGS BULL 1246, P. 212

  • Deposit

    USBM IC 8626, P. 16

  • Deposit

    ADGGS GR46, P. 31

  • Deposit

    USGS OFR 77-169A, P. 38, LOC. 23

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