Unnamed Occurrence

Occurrence in Alaska, United States with commodities Copper, Zinc, Titanium, Metal, Tin, Nickel

Geologic information

Identification information

Deposit ID 10001262
MRDS ID A011981
Record type Site
Current site name Unnamed Occurrence

Geographic coordinates

Geographic coordinates: -152.00005, 67.38132 (WGS84)
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Geographic areas

Country State
United States Alaska

Comments on the location information

  • ADGGS OFR 133 B, PLATE 1, NO. 237 LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991).

Commodities

Commodity Importance
Copper Primary
Zinc Secondary
Titanium, Metal Tertiary
Tin Tertiary
Nickel Tertiary

Materials information

Materials Type of material
Cassiterite Ore
Chalcopyrite Ore
Rutile Ore
Sphalerite Ore

Analytical data

Result 5000 PPM CU, 200 PPM NI, 320 PPM ZN, GRAB SAMPLE, ADGGS OFR 133 B, TABLE 2, NO. 237

Host and associated rocks

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

Nearby scientific data

(1) -152.00005, 67.38132

Comments on the geologic information

  • BEDROCK IS MAPPED AS BLACK PHYLLITE AND SLATE UNIT OF UPPER DEVONIAN AGE.

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 A011981

Bibliographic references

  • Deposit

    ADGGS OFR 133 B, SAMPLE 237

  • Deposit

    USGS OFR 200

General comments

Subject category Comment text
Deposit DISSEMINATED (?) CHALCOPYRITE, SPHALERITE, MALACHITE AND AZURITE WITH MINOR RUTILE AND CASSITERITE (?) IN METACLASTIC ROCK; ANOMALOUS CU,ZN, TI, SN AND NI

Reporter information

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