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  3. Mineral Resource Data System (MRDS)

Willow Mountain Occurrence

Occurrence in Alaska, United States with commodities Zinc, Copper
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Nearby scientific data
  8. Economic information about the deposit and operations
  9. Links to other databases
  10. Bibliographic references
  11. General comments
  12. Reporter information

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.

Site location context

Political divisions (FIPS codes)

Valdez-Cordova(Census area)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Valdez D-4(quadrangle 1:63,360 scale)

Valdez NE(quadrangle 1:100,000 scale)

Valdez C(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Middle Copper River(hydrologic unit)

Copper River(hydrologic accounting unit)

South Central Alaska(hydrologic subregion)

Alaska(hydrologic region)

Federal lands

Ahtna, Incorporated(ANCSA Region)

ANCSA Region NTVPIC(Type of land area)

NTVPIC(Federal land areas administered by NTVPIC)

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 Critical 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) Jtk
ListMap

Economic information

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 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

Bibliographic references

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

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

Maps centered on this site

Authoritative Alaska resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.