Unnamed Occurrence

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

Geologic information

Identification information

Deposit ID 10001131
MRDS ID A011821
Record type Site
Current site name Unnamed Occurrence

Geographic coordinates

Geographic coordinates: -146.03357, 63.31994 (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. 15 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 CHIP SAMPLE ACROSS 4 FT CONTAINED 0.75% CU, 0.09 OZ/TON AU, 1.18 OZ/TON AG, LESS THAN 0.1% EACH OF PB AND ZN, TRACE NI, ADGGS GR 14, P. 30

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Serpentinite

Nearby scientific data

(1) -146.03357, 63.31994

Comments on the geologic information

  • COUNTRY ROCK IS COMPOSED OF OLIVINE AND AMPHIBOLE WITH MINOR EXIDOTE, PYRITE AND CHALCOPYRITE; SOME OF AMPHIBOLE IS ACTINOLITE

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

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A011821

Bibliographic references

  • Deposit

    ADGGS GR 14, P. 29-30, 33, LOC. 15

  • Deposit

    USGS OFR 77-169A, P. 38, LOC. 21

General comments

Subject category Comment text
Deposit CHALCOPYRITE AND CU-STAINING IN A ZONE A FEW FT WIDE TRENDING N35E; ZONE CUTS AMPHIBOLITIC SERPENTINITE

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-1985 Leonard, Kenneth R. (Elliott, R. L.) U.S. Geological Survey