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  3. Mineral Resource Data System (MRDS)

Sheep Mountain Prospect

Occurrence in Alaska, United States with commodities Chromium, Nickel, Platinum
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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. Host and associated rocks
  8. Nearby scientific data
  9. Controls for ore emplacement
  10. Economic information about the deposit and operations
  11. Mining district
  12. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10000841
MRDS ID A011494
Record type Site
Current site name Sheep Mountain Prospect

Geographic coordinates

Geographic coordinates: -144.99144, 61.58157 (WGS84)
Location accuracy 2000(meters)

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 C-3(quadrangle 1:63,360 scale)

Valdez NE(quadrangle 1:100,000 scale)

Valdez(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)

Geographic areas

Country State
United States Alaska

Comments on the location information

  • LOCATION APPROXIMATED FROM USGS OFR 80-892B, LOC. 43B 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
Chromium Critical Primary
Nickel Critical Tertiary
Platinum Critical Tertiary

Comments on the commodity information

  • TRACE NI AND PT PRESENT

Materials information

Materials Type of material
Chromite Ore

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Peridotite > Dunite
    Stratigraphic age (youngest) Holocene
  • Host or associated Host
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Peridotite > Dunite

Nearby scientific data

(1) -144.99144, 61.58157
ListMap

Economic information

Controls for ore emplacement

  • Lithologic

Comments on the geologic information

  • SEE COMMENTS FOR DUST MT. PROSPECT

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Tonsina/Bernard Mountain

Comments on development

  • APPARENT POST 1950 ACTIVITY

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit CHROMITE DISSEMINATED IN DUNITE; MAY ALSO BE MASSIVE CHROMITE IN LENSES OR DUST MT. MAY BE ONLY MASSIVE DEPOSIT
Deposit PRINCIPAL REFERENCE COMBINES DATA FOR DUST MT. AND SHEEP MT.; SEE ALSO: BERNARD MT. ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT

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.