Independence

Past Producer in Alaska, United States with commodities Gold, Silver
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. Mineral rights holdings
  13. Land status
  14. Ownership information
  15. Production statistics
  16. Reserves and resources
  17. Workings at the site
  18. Links to other databases
  19. Bibliographic references
  20. General comments
  21. Reporter information

Geologic information

Identification information

Deposit ID 10234129
MRDS ID A011610
MAS/MILS ID 0020850061
Record type Site
Current site name Independence
Alternate or previous names Alaska Gold Quartz Co., Alaska Free Gold Mining Co., Independence Gold Mining Co., Kelly Mining Co., Horning/Bartholf, Carle Prospect, Alaska Pacific Mines, Wasilla Mining Co., Alaska Pacific Consolidated Min Co
Related records 10000940

Comments on the site names

  • KNOWN AS CARLE PROSPECT.

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -149.29709, 61.79126 (WGS84)
Elevation 1265
Location accuracy 100(meters)

Site location context

Political divisions (FIPS codes)

Matanuska-Susitna(Borough)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Anchorage D-7(quadrangle 1:63,360 scale)

Anchorage NW(quadrangle 1:100,000 scale)

Anchorage(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lower Susitna River(hydrologic unit)

Susitna River(hydrologic accounting unit)

South Central Alaska(hydrologic subregion)

Alaska(hydrologic region)

Geographic areas

Country State
United States Alaska

Public Land Survey System information

Meridian Township Range Section Fraction State
Seward 020 N 001 E 28 S2NWSW Alaska

Commodities

Commodity Importance
Gold Primary
Silver Tertiary

Materials information

Materials Type of material
Arsenopyrite Unknown
Calcite Unknown
Galena Unknown
Gold Unknown
Nagyagite Unknown
Pyrite Unknown
Quartz Unknown
Scheelite Unknown
Sphalerite Unknown

Nearby scientific data

Main Entrance (1) -149.29709, 61.79126

Economic information

Ore body information

  • Area 20HA
    Field Value
    Type of Orebody #1 SHEAR ZONE
    Shape of Orebody #1 TABULAR
    Primary mode of Origin HYDROTHERMAL
    Primary Ore Control FAULTING
    Degree of Wallrock Alter. INTENSE
    Type of Wallrock Alter. #1 SERICITIC
    Type of Wallrock Alter. #2 POTASSIC
    Type of Wallrock Alter. #3 CARBONITIZATION
    Total Surface Area (HA) 20
    Date of Last Modification 830727

Economic information about the deposit and operations

Operation type Underground
Development status Past Producer
Commodity type Metallic
Significant Yes
Discovery year 1907
Mining method Filled Stopes - Inclined Cut and Fill
Year of first production 1908
Milling method Gravity

Mining district

District name Willow Creek

Mineral rights holdings

Type of mineral rights Patented
Type of mineral rights Located Claim

Land status

Ownership category Mixed

Ownership information

  • Type Owner-Operator
    Owner Alaska Hard Rock Inc.
    ID 5001309
    Home office Alaska
    Year 1990

Production statistics

  • Year 1908
    Description 87 Troy Ounces
  • Year 1909
    Description 665 Troy Ounces
  • Year 1910
    Description Production Reported Unknown
  • Year 1911
    Description Milled 230 Short Tons Ore
  • Year 1912
    Description Milled 4838 Troy Ounces
  • Year 1913
    Description Production Reported Unknown
  • Year 1914
    Description Production Reported Unknown
  • Year 1915
    Description Production Reported Unknown
  • Year 1916
    Description Production Reported Unknown
  • Year 1920
    Description 3067 Troy Ounces
  • Year 1921
    Description 5722 Troy Ounces
  • Year 1923
    Description 1027 Troy Ounces
  • Year 1933
    Description 50 Short Tons Ore
  • Year 1934
    Description 39742 Troy Ounces
  • Year 1935
    Description Production Reported Unknown
  • Year 1936
    Description 641 Troy Ounces
  • Year 1937
    Description 11261 Troy Ounces
  • Year 1938
    Description 18450 Troy Ounces
  • Year 1939
    Description 24338 Troy Ounces
  • Year 1940
    Description 32790 Troy Ounces
  • Year 1941
    Description 34416 Troy Ounces
  • Year 1942
    Description 30524 Troy Ounces
  • Year 1943
    Description Production Reported Unknown
  • Year 1944
    Description Milled 600 Short Tons Ore
  • Year 1945
    Description Milled 1750 Short Tons Ore
  • Year 1946
    Description Production Reported Unknown
  • Year 1949
    Description Production Reported Unknown
  • Year 1950
    Description 30000 Troy Ounces

Comments on the production information

  • TOTAL PRODUCTION FROM 1912-1920 REPORTEDLY 575,000 DOLLARS TOTAL PRODUCTION FROM 1936-1943 REPORTEDLY 165,000 OUNCES

Reserves and resources

  • Type In-situ
    Estimate year 1995
    Demonstrated 82000mt ore
    Total resources 82000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 43.9 g/mt Gold Major 1995

Comments on the reserve resource information

  • RESOURCES AS OF 1948 134, 718 MT NO GRADE GIVEN.

Workings at the site

  • Type of workings Underground
    Length 33800M
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method ACTUAL
    Mining Method HORIZ CUT & FILL W/WASTE ROCK 10-60
    Percent Recovery 100
    Hardness of Rock HARDROCK FISSURED WITH MODERATE WATER
    Rock Characteristics MULTIPLE SYSTEMS OF WEAKNESS PLANES
    Rock Support Chars. SUPPORTING MAY BACK SLAB
    Mine Support Chars. POST, HEADBOARD, CAPS, ROOF BOLTS
    1st Condition of Workings OPEN
    2nd Condition of Workings PART ACCESSIBLE
    Capacity 65
    Capacity Units MT ORE/DAY
  • Type of workings Underground
    Length 33800M
    Field Value
    MAS Development Schedule # 2
    Mining Record # 1
    Status of Mining Method PROPOSED
    Mining Method INCLINED CUT AND FILL 10-65
    Percent Recovery 100
    Hardness of Rock HARDROCK FISSURED WITH MODERATE WATER
    Rock Characteristics MULTIPLE SYSTEMS OF WEAKNESS PLANES
    Rock Support Chars. SUPPORTING MAY BACK SLAB
    Mine Support Chars. POST, HEADBOARD, CAPS, ROOF BOLTS
    1st Condition of Workings OPEN
    Capacity 100
    Capacity Units MT ORE/DAY
    Unit Production Cost 112.1
    Units of Production $/MT ORE
    Operating Days per Year 300
    Operating Shifts per Day 3
    Year of Information 1983

Comments on the workings information

  • CLEAN-UP OF TAILINGS TOOK PLACE IN 1958

Comments on other economic factors

  • OPERATED DURING 1982 UNTIL NOVEMBER
  • DEVELOPMENT ORE IS BEING PROCESSED AT THE GOLD CORD MILL. THE GOLD CORD IS AN ADJOINING PROPERTY.

Reference information

Bibliographic references

  • Deposit

    B480i p. 147

  • Deposit

    B520c p. 29

  • Deposit

    B542c p. 39

  • Deposit

    B607 p. 50

  • Deposit

    B662b p. 48

  • Deposit

    B692j p. 180

  • Deposit

    B755a p. 30

  • Deposit

    B773a p. 40

  • Deposit

    B868A p. 19

  • Deposit

    B880A p. 20

  • Deposit

    BM YEARBOOK 1938a p. 170

  • Deposit

    BM YEARBOOK 1939a p. 188

  • Deposit

    BM YEARBOOK 1940a p. 166

  • Deposit

    BM YEARBOOK 1941a p. 183

  • Deposit

    BM YEARBOOK 1941a p. 179

  • Deposit

    BM YEARBOOK 1942a p. 223

  • Deposit

    BM YEARBOOK 1943a p. 229

  • Deposit

    BM YEARBOOK 1944a p. 224

  • Deposit

    BM YEARBOOK 1945a p. 229

  • Deposit

    BM YEARBOOK 1946a p. 1010

  • Deposit

    BM YEARBOOK 1949b p. 1358

  • Deposit

    BM YEARBOOK 1950b p. 1373

  • Deposit

    BM YEARBOOK 1951b p. 1396

  • Deposit

    BM YEARBOOK 1958 p. 93

  • Ownership

    ALASKA KARDEX 085-001

  • Ownership

    ALASKA KARDEX 085-002

  • Ownership

    ALASKA KARDEX 085-107

  • Reserve-Resource

    DNR 82 DIV OF PARKS p. 58

  • Deposit

    BMB142 pp. 44, 52

  • Deposit

    BMB153 p. 40

  • Deposit

    B712f p. 174

  • Deposit

    B714b p. 77

  • Deposit

    B714i p. 204

  • Deposit

    B722a p. 41

  • Deposit

    B797a p. 12

  • Deposit

    B824a p. 19

  • Deposit

    B844B p. 127

  • Deposit

    B849C pp. 169, 188, 215-216

  • Deposit

    B864A p. 19

  • Deposit

    B868A p. 20

  • Deposit

    MR85-4 pp. 1-5

  • Deposit

    B897A p. 20

  • Deposit

    IR JCR 380727 p. 1

  • Deposit

    B917A p. 23

  • Deposit

    IR JCR 390901 pp. 20-23

  • Deposit

    B926A p. 21

  • Deposit

    B933A pp. 19-20

  • Deposit

    B933C

  • Deposit

    RI4174 p. 34

  • Deposit

    IR HMF 490806 p. 6

  • Deposit

    C184 p. 5

  • Deposit

    B1004 pp. 1, 32, 51-53, 58-65

  • Deposit

    B1246

  • Deposit

    MF409

  • Deposit

    OF77-169A

  • Deposit

    AMR 81-82 pp. 16, 24, 25

  • Deposit

    MTA 82 No. E-58

  • Deposit

    DNR 82 DIV OF PARKS

  • Deposit

    SR31 pp. 8, 13, 21

  • Deposit

    SR33 pp. 17, 26

  • Deposit

    SR38 p. 26

Comments on the references

  • MINING WORLD, 1946, P. 24

General comments

Subject category Comment text
Deposit OPEN STATE LAND AND PRIVATE LAND. USGS CRIB D002734

Reporter information

Type Date Name Affiliation Comment
Reporter 13-JUN-97 Buckingham, David A. 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 03/01/1985
MSHA mine ID5001309
Mine name (MSHA)Independence Mine
Current operatorEnserch Exploration Inc
Current controller (parent)Enserch Corp
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.

External references

Authoritative Alaska resources

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