Unnamed Occurrence

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

Geologic information

Identification information

Deposit ID 10001244
MRDS ID A011963
Record type Site
Current site name Unnamed Occurrence

Geographic coordinates

Geographic coordinates: -151.58085, 67.24827 (WGS84)
(click for info)

Geographic areas

Country State
United States Alaska

Comments on the location information

  • ADGGS OFR 133B, PLATE1, NO. 50, 51 LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991).

Commodities

Commodity Importance
Zinc Primary
Gold Primary
Silver Primary
Copper Tertiary

Comments on the commodity information

  • FAIRLY LOW VALUES IN ZN

Materials information

Materials Type of material
Chalcopyrite Ore
Sphalerite Ore

Analytical data

Result 15.0 PPM AG, 100,000 PPM AS, 15.0 PPM AU, 300 PPM SB, GRAB SAMPLE, ADGGS OFR 133B, TABLE 2, NO. 51

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Marble

Nearby scientific data

(1) -151.58085, 67.24827

Ore body information

  • Thickness 0.01M

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Koyukuk

Land status

Ownership category State

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A011963

Bibliographic references

  • Deposit

    ADGGS OFR 133B, SAMPLE NO. 50, 51

General comments

Subject category Comment text
Deposit STOCKWORK OF ARSENOPYRITE VEINS UP TO 10 CM THICK WITH SPHALERITE AND A TRACE OF CHALCOPYRITE AND SPHALERITE; AU AND AG DETECTED IN ANALYSIS
Deposit OCCURRENCE OF SPHALERITE IS MINOR, SITE IS MAINLY OF INTEREST DUE TO PRESENCE OF PRECIOUS METALS IN ARSENOPYRITE (PROBABLY). ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1986 Leonard, Kenneth R. (Elliott, R. L.) U.S. Geological Survey