Willow Mountain Occurrence

Occurrence in Alaska, United States with commodities Zinc, Copper

Geologic information

Identification information

Deposit ID 10000842
MRDS ID A011495
Record type Site
Current site name Willow Mountain Occurrence

Geographic coordinates

Geographic coordinates: -145.18535, 61.77324 (WGS84)
Location accuracy 2000(meters)
Relative position ABOUT 7 MI NNW OF TONSINA, AK.
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Geographic areas

Country State
United States Alaska

Comments on the location information

  • BEST LOCATION: USGS OFR 80-892B, LOC. 44 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
Copper Primary

Comments on the commodity information

  • ANOMALOUS VALUES IN CU, AU, AND ZN REPORTED BY CLAIM HOLDERS

Materials information

Materials Type of material
Chalcopyrite Ore
Hydrozincite Ore
Malachite Ore

Nearby scientific data

(1) -145.18535, 61.77324

Comments on the geologic information

  • SOME CONFUSION EXISTS OVER THE HOST ROCK LITHOLOGY; REPORTS PRIOR TO USGS OFR 80-892B LIST HOST ROCK AS BRECCIATED AND HYDROTHERMALLY ALTERED LIMESTONE; USGS OFR 80-892B LISTS BRECCIATED MAFIC TUFF OF TALKEETNA FORMATION AS THE HOST ROCK

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Comments on development

  • 9 LODE CLAIMS LOCATED IN 1956

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A011495

Bibliographic references

  • Deposit

    USGS BULL 1246, P. 52

  • Deposit

    USBM IC 8626, P. 18

  • Deposit

    USGS MF-438, LOC. 53

  • Deposit

    USGS OFR 77-169A, P. 81, LOC. 44

  • Deposit

    USGS OFR 80-892B, LOC. 44

  • Other Database

    BAG-OFR-80-892B-44

General comments

Subject category Comment text
Deposit SPARSELY BUT WIDELY DISSEMINATED ZN AND CU MINERALS IN BRECCIATED AND ALTERED COUNTRY ROCK; SEE GEOLOGY COMMENTS

Reporter information

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