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Great Excelsior Mine

Past Producer in Whatcom county in Washington, United States with commodities Copper, Gold, Lead, Silver, Zinc
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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. Mining district
  12. Land status
  13. Ownership information
  14. Links to other databases
  15. Bibliographic references
  16. Reporter information

Geologic information

Identification information

Deposit ID 10277896
MRDS ID M700046
MAS/MILS ID 0530730049
Record type Site
Current site name Great Excelsior Mine
Alternate or previous names Great Excelsior, Lincoln Group, Super Chrome, Inc., President Group
Related records 10047768

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -121.80594, 48.89901 (WGS84)
Elevation 576
Location accuracy 10(meters)

Site location context

Political divisions (FIPS codes)

Whatcom(county)

Washington(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Bearpaw Mountain(quadrangle 1:24,000 scale)

Mount Baker(quadrangle 1:100,000 scale)

Concrete(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Nooksack(hydrologic unit)

Puget Sound(hydrologic accounting unit)

Puget Sound(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Mt. Baker-Snoqualmie National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Washington Whatcom

Public Land Survey System information

Meridian Township Range Section Fraction State
Willamette 039 N 008 E 06 Washington

Commodities

Commodity Importance
Copper Tertiary
Gold Tertiary
Lead Tertiary
Silver Tertiary
Zinc Critical Tertiary

Materials information

Materials Type of material
Arsenopyrite Unknown
Chalcopyrite Unknown
Galena Unknown
Gold Unknown
Pyrite Unknown
Quartz Unknown
Silver Unknown
Sphalerite Unknown
Tetrahedrite Unknown

Nearby scientific data

Main Entrance (1) -121.80594, 48.89901
ListMap

Economic information

Ore body information

  • Strike N35W
    Dip 55W
    Thickness 91M
    Length 1436M
    Width 99M
    Area 181HA
    Depth to top 99999M
    Field Value
    Type of Orebody #1 BRECCIA FILL
    Shape of Orebody #1 DOMELIKE
    Shape of Orebody #2 MASSIVE
    Primary mode of Origin HYDROTHERMAL
    Primary Ore Control FRACTURING
    Secondary Ore Control FOLDING
    Degree of Wallrock Alter. UNKNOWN
    Type of Wallrock Alter. #1 UNKNOWN
    Strike And Dip N35W:55W
    Minimum Depth to Top 99999
    Avg. Thick. Unconsol. Mat. 9999
    Min. Thick. Unconsol. Mat. 9999
    Total Surface Area (HA) 181
    Date of Last Modification 830316

Economic information about the deposit and operations

Operation type Underground
Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1900
Year of first production 1902

Mining district

District name Mount Baker District

Land status

Ownership category National Forest

Ownership information

  • Type Owner
    Owner Douglas Mcfarland
    ID 4502531
    Interest 100
    Home office Washington
    Year 1975
  • Type Owner-Operator
    Owner Steelhead Gold Inc.
    ID 4502531
    Year 1990
  • Type Owner
    Owner Fmc Gold Corp.
    ID 4502531
    Year 1990

Reference information

Bibliographic references

  • Deposit

    WA. DIV. MINES AND GEOL. BULLETIN 37, 1956, PART II, VOL. 1,

  • Deposit

    P. 177.

  • Deposit

    WA. DIV. MINES AND GEOL. BULLETIN 57, 1969, P. 86-87.

  • Deposit

    WA. DIV. GEOL. AND EARTH RESOURCES, 1990, WA. GEOL.

  • Deposit

    NEWSLETTER, V. 18, NO. 1, P. 1, 19.

Reporter information

Type Date Name Affiliation Comment
Reporter 24-JUN-1994 Ridenour, James U.S. Bureau of Mines

Beyond USGS

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

Current status (per MSHA)

StatusAbandoned since 08/22/1979
MSHA mine ID4502531
Mine name (MSHA)Excelsior Mine
Current operatorPacific Coast Mines Inc
Current controller (parent)Rio Tinto Group
Mine typeUnderground (Metal / non-metal)

MSHA cross-reference per the original MRDS record. Mine status and operator reflect MSHA's last published Mines export (February 2025); MSHA's public bulk feed has been unavailable since, so this may be out of date. See the Mine Data Retrieval System for current status.

Open MSHA's Mine Data Retrieval System for inspections, accidents, and violations for this mine.

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