1. Mineral Resources
  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Ivanhoe

Prospect in Alaska, United States with commodities Gold, Silver
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Public Land Survey System information
  6. Commodities
  7. Materials information
  8. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Mineral rights holdings
  12. Land status
  13. Reserves and resources
  14. Links to other databases
  15. Bibliographic references
  16. Reporter information

Geologic information

Identification information

Deposit ID 10136500
MRDS ID A003772
MAS/MILS ID 0020860145
Record type Site
Current site name Ivanhoe
Alternate or previous names Bence-Mcdonald

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -146.62427, 61.20849 (WGS84)
Elevation 1067
Location accuracy 100(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 A-7(quadrangle 1:63,360 scale)

Valdez SW(quadrangle 1:100,000 scale)

Valdez(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Eastern Prince William Sound(hydrologic unit)

Prince William Sound(hydrologic accounting unit)

South Central Alaska(hydrologic subregion)

Alaska(hydrologic region)

Federal lands

BLM(Federal land areas administered by BLM)

Geographic areas

Country State
United States Alaska

Public Land Survey System information

Meridian Township Range Section Fraction State
Copper River 008 S 008 W 02 SWNWNW Alaska

Commodities

Commodity Importance
Gold Primary
Silver Tertiary

Materials information

Materials Type of material
Chalcopyrite Unknown
Galena Unknown
Gold Unknown
Limonite Unknown
Pyrite Unknown
Sphalerite Unknown

Nearby scientific data

Main Entrance (1) -146.62427, 61.20849
ListMap

Economic information

Ore body information

  • Strike N80W
    Dip 80N
    Length 304.8M
    Width 0.6M
    Field Value
    MAS Column # 1
    Type of Orebody #1 SHEAR ZONE
    Shape of Orebody #1 LENTICULAR
    Type of Orebody #2 REPLACEMENT
    Shape of Orebody #2 TABULAR
    Type of Orebody #3 DISSEMINATED
    Primary mode of Origin HYDROTHERMAL
    Primary Ore Control FAULTING
    Secondary Ore Control FOLDING
    Degree of Wallrock Alter. UNKNOWN
    Type of Wallrock Alter. #1 UNKNOWN
    Strike And Dip N80W:80N
    Date of Last Modification 881017

Economic information about the deposit and operations

Development status Prospect
Commodity type Metallic
Significant No

Mineral rights holdings

Type of mineral rights Unknown

Land status

Ownership category Mixed

Reserves and resources

  • Type In-situ
    Estimate year 1984
    Inferred 220mt ore
    Total resources 220mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 24.9 g/mt Gold Major 1984
    Silver Ag 20.1999 g/mt Silver Trace 1984

Comments on the workings information

  • Workings consist of: 1.- 1,021.1m. elevation - 4.9 m.-long adit - open cut 2.- 1,036.3m. elevation - 1.8 m.-long adit 3.- 1,075.9m. elevation - open cut 4.- 1,078.9m. elevation - open cut 5.- 1,088.1m. elevation - 30.8 m.-long adit 6.- 1,216.2m. elevation - open cut 7.- 1,231.4m. elevation - open cut

Reference information

Bibliographic references

Reporter information

Type Date Name Affiliation Comment
Reporter 19-OCT-1988 Wlg U.S. Bureau of Mines

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.