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  3. Mineral Resource Data System (MRDS)

Fidalgo Mining Co.

Past Producer in Alaska, United States with commodities Copper, Gold
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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. Ownership information
  14. Reserves and resources
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10233980
MRDS ID A000669
MAS/MILS ID 0020960010
Record type Site
Current site name Fidalgo Mining Co.
Alternate or previous names Blakney & Herren, Elgin Lode, Verdi Lode, Panama Lode, Grill,W.L., Sherman,C.A., Mackintosh, Eleanor Lode, Mauser Lode, Winchester Lode, Sideside Lode, Wm. S. Lagen, M.S. 969

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -146.31253, 60.79629 (WGS84)
Elevation 213
Location accuracy 100(meters)

Site location context

Political divisions (FIPS codes)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Cordova D-7 SE(quadrangle 1:24,000 scale)

Cordova NW(quadrangle 1:100,000 scale)

Cordova(quadrangle 1:250,000 scale)

Federal lands

Chugach National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State
United States Alaska

Public Land Survey System information

Meridian Township Range Section Fraction State
Copper River 012 S 006 W 28 SWNWSW Alaska

Commodities

Commodity Importance
Copper Primary
Gold Tertiary

Materials information

Materials Type of material
Chalcopyrite Unknown
Pyrite Unknown
Pyrrhotite Unknown

Nearby scientific data

Main Entrance (1) -146.31253, 60.79629
ListMap

Economic information

Ore body information

  • Length 1219M
    Width 9.1M
    Field Value
    MAS Matrix # 1
    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
    Date of Last Modification 881017

Economic information about the deposit and operations

Operation type Underground
Development status Past Producer
Commodity type Metallic
Significant No

Mineral rights holdings

Type of mineral rights Patented
Type of mineral rights Located Claim

Land status

Ownership category National Forest

Ownership information

  • Type Owner
    Owner T. W. Blakney And H. H. Herren
    Interest 100
    Home office Alaska
    Year 1905
  • Type Owner-Operator
    Owner Fidalgo Mining Co.
    Interest 100
    Home office Alaska
    Year 1906

Reserves and resources

  • Type In-situ
    Estimate year 1984
    Inferred 17636mt ore
    Total resources 17636mt ore
    Commodity Subtype Grade units Group Importance Year
    Copper Cu 0.1 wt-pct Copper Major 1984
  • Type In-situ
    Estimate year 1984
    Inferred 17085mt ore
    Total resources 17085mt ore
    Commodity Subtype Grade units Group Importance Year
    Copper Cu 0.57 wt-pct Copper Major 1984
  • Type In-situ
    Estimate year 1984
    Inferred 15432mt ore
    Total resources 15432mt ore
    Commodity Subtype Grade units Group Importance Year
    Copper Cu 0.29 wt-pct Copper Major 1984

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit FIDALGO MINE 1 MI SW OF WHALEN BAY. ABOUT 50 MI FROM VALDEZ. ARGILLITES, GRAYWACKES, SLATES, MICA SCHISTS, GREENSTONES. ORE-BEARING SHEAR ZONE ABOUT 25 FT WIDE. CHALCOPYRITE, PYRITE, PYRRHOTITE. AU .036 OZ PER TON. ADDITIONAL DEPOSIT NAME - SIMONSTAD & LARSON. Workings consist of: 213 m. elev. adit - 224 m. of workings and a raise; 274 m. elev. adit - 365.8 m. of workings, a raise, 3 crosscuts, 1 winze, and 3 drifts; 304.8 m. elev. adit - 53.3 m. of workings, 1 winze, and 3 stopes; 335.3 m. elev. adit - 106.7 m. of workings, and 1 winze. M.S.

Reporter information

Type Date Name Affiliation Comment
Reporter 17-OCT-1988 Wlg/Mpm 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.